NAS Flat Head Screws | McMaster-Carr

Filter by

System of Measurement

Thread Size

Countersink Angle

Length

Specifications Met

Fastener Head Type

Drive Style

Material

Flat Head Profile

Certification

Head Diameter

Finish

Head Height

DFARS Specialty Metals

Threading

Thread Type

Tensile Strength

60,000 psi to 69,999 psi

70,000 psi to 99,999 psi

Tip Type

REACH

RoHS

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Hardness

Performance

Sold As

Export Control Classification Number (ECCN)

EAR99

Forward

How can we improve?

195 Products

Drive Style

Phillips

A common drive style that aligns easily with drivers

188 products

Slotted

A simple yet effective drive style for light duty tasks

7 products

Performance

Corrosion Resistant

Resist corrosion from moisture, chemicals, and harsh weather

160 products

Flat Head Profile

Standard

The most common head profile for flat head screws

193 products

Stainless Steel Phillips Flat Head Screws

These screws are made of stainless steel, so they won't rust or corrode when exposed to moisture and chemicals. The Phillips drive has a cross-shaped opening in which a driver fits snugly for easy alignment. With four contact points, they withstand more torque than slotted drives, but drivers slip when you apply too much force.

Length is measured from the top of the head.

18-8 Stainless Steel—The choice for wet and outdoor environments, these screws won't rust. However, they don't hold up to the harsh chemicals that 316 stainless steel can.

Black-Oxide 18-8 Stainless Steel—Typically chosen for their appearance, these screws have a dark, matte coating to create a finished look. They won't rust in wet and outdoor environments, but they don't hold up to the harsh chemicals that 316 stainless steel can.

Standard Profile—Standard-profile heads are the most common choice for flat head screws.

Military Specification—These screws are manufactured and tested to meet strict U.S. military standards for material and construction.

				Head
	Lg.	Countersink Angle	Flat Head Profile	Dia.	Ht.	Threading	Tensile Strength, psi	Specs. Met	Mil. Spec.	Certificate Type	Pkg. Qty.		Pkg.
18-8 Stainless Steel







				0-80

				3/16"	100°	Standard	0.119"	0.026"	Fully Threaded	70,000	—	MS24693-C420, NASM24693	—	50	93085A841	00000


				1/4"	100°	Standard	0.119"	0.026"	Fully Threaded	70,000	—	MS24693-C421, NASM24693	—	50	93085A842	0000
				5/16"	100°	Standard	0.119"	0.026"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C422, NASM24693	Material Certificate	50	96877A749	0000
				3/8"	100°	Standard	0.119"	0.026"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C423, NASM24693	Material Certificate	50	96877A751	0000




						2-56

						1/8"	100°	Standard	0.172"	0.037"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C16, NASM24693	Material Certificate	50	93085A010	0000


						5/32"	100°	Standard	0.172"	0.037"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C17, NASM24693	Material Certificate	50	93085A013	0000
						3/16"	100°	Standard	0.172"	0.037"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, NAS662C2R3	Material Certificate	100	93085A015	00000
						1/4"	100°	Standard	0.172"	0.037"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, NAS662C2R4	Material Certificate	100	93085A017	00000
						5/16"	100°	Standard	0.172"	0.037"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, NAS662C2R5	Material Certificate	100	93085A019	00000
						3/8"	100°	Standard	0.172"	0.037"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, NAS662C2R6	Material Certificate	100	93085A021	00000
						1/2"	100°	Standard	0.172"	0.037"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, NAS662C2R8	Material Certificate	100	93085A023	00000
						5/8"	100°	Standard	0.172"	0.036"	Fully Threaded	70,000	—	Fed. Spec. FF-S-92, NAS662C2R10	—	50	93085A838	0000
						3/4"	100°	Standard	0.172"	0.036"	Fully Threaded	70,000	—	Fed. Spec. FF-S-92, NAS662C2R12	—	50	93085A839	0000




								4-40

								3/16"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C1, NASM24693	—	100	93085A105	00000


								1/4"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C2, NASM24693	—	100	93085A106	00000
								5/16"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C3, NASM24693	Material Certificate	100	93085A107	00000
								3/8"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C4, NASM24693	—	100	93085A108	00000
								7/16"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C5, NASM24693	Material Certificate	100	93085A109	00000
								1/2"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C6, NASM24693	Material Certificate	100	93085A110	00000
								5/8"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C7, NASM24693	Material Certificate	100	93085A112	00000
								3/4"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C8, NASM24693	Material Certificate	50	93085A113	00000
								7/8"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C9, NASM24693	Material Certificate	50	93085A116	00000
								1"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C10, NASM24693	—	25	93085A119	0000
								1 1/8"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C11, NASM24693	—	25	93085A122	0000


								1 1/4"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C12, NASM24693	—	50	93085A851	00000
								1 1/2"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C14, NASM24693	—	25	93085A852	0000




										6-32

										3/16"	100°	Standard	0.279"	0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C23, NASM24693	Material Certificate	100	93085A143	00000


1/4"										100°	Standard	0.279"	0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C24, NASM24693	Material Certificate	100	93085A144	00000
5/16"	100°									Standard	0.279"	0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C25, NASM24693	—	100	93085A145	00000
3/8"	100°									Standard	0.279"	0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C26, NASM24693	—	100	93085A146	00000
7/16"	100°									Standard	0.279"	0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C27, NASM24693	—	50	93085A147	00000
1/2"	100°									Standard	0.279"	0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C28, NASM24693	—	50	93085A148	00000
5/8"	100°	Standard								0.279"	0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C29, NASM24693	Material Certificate	50	93085A150	00000
3/4"	100°	Standard	0.279"							0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C30, NASM24693	—	50	93085A151	00000
7/8"	100°	Standard	0.279"							0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C31, NASM24693	Material Certificate	50	93085A152	00000
1"	100°	Standard	0.279"							0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C32, NASM24693	—	25	93085A154	0000
1 1/8"	100°	Standard	0.279"							0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C33, NASM24693	—	25	93085A155	0000


1 1/4"	100°	Standard	0.279"							0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C34, NASM24693	—	25	93085A157	00000
1 1/2"	100°	Standard	0.279"							0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C36, NASM24693	Material Certificate	10	93085A159	0000
2"	100°	Standard	0.279"							0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C40, NASM24693	—	10	93085A163	0000
2 1/2"	100°	Standard	0.279"							0.06"	Partially Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C42, NASM24693	—	10	96877A752	00000




		8-32

		1/4"	100°	Standard	0.332"					0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C46, NASM24693	Material Certificate	50	93085A190	00000


		5/16"	100°	Standard	0.332"					0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C47, NASM24693	—	50	93085A191	00000
		3/8"	100°	Standard	0.332"					0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C48, NASM24693	Material Certificate	50	93085A192	00000
		7/16"	100°	Standard	0.332"					0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C49, NASM24693	—	50	93085A193	0000
		1/2"	100°	Standard	0.332"					0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C50, NASM24693	Material Certificate	50	93085A194	00000
		5/8"	100°	Standard	0.332"					0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C51, NASM24693	Material Certificate	50	93085A196	00000
		3/4"	100°	Standard	0.332"					0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C52, NASM24693	—	50	93085A197	00000
		7/8"	100°	Standard	0.332"					0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C53, NASM24693	—	25	93085A198	0000
		1"	100°	Standard	0.332"					0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C54, NASM24693	—	25	93085A199	00000
		1 1/8"	100°	Standard	0.332"					0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C55, NASM24693	Material Certificate	25	93085A201	00000
		1 1/4"	100°	Standard	0.332"					0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C56, NASM24693	—	25	93085A203	00000


		1 1/2"	100°	Standard	0.332"	0.072"	Fully Threaded			70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C58, NASM24693	Material Certificate	10	93085A205	0000
		1 3/4"	100°	Standard	0.332"	0.072"	Fully Threaded			70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C60, NASM24693	Material Certificate	10	93085A853	0000
		2"	100°	Standard	0.332"	0.072"	Fully Threaded			70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C62, NASM24693	—	10	93085A854	0000
		2 1/2"	100°	Standard	0.332"	0.072"	Partially Threaded			70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C64, NASM24693	Material Certificate	10	96877A753	0000




				10-24

				5/16"	100°	Standard	0.385"			0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C69, NASM24693	—	50	96877A754	00000


				3/8"	100°	Standard	0.385"			0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C70, NASM24693	—	25	93085A239	00000
				7/16"	100°	Standard	0.385"			0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C71, NASM24693	—	25	96877A755	0000
				1/2"	100°	Standard	0.385"			0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C72, NASM24693	—	25	93085A242	00000
				5/8"	100°	Standard	0.385"			0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C73, NASM24693	—	25	93085A244	0000
				3/4"	100°	Standard	0.385"			0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C74, NASM24693	—	10	93085A245	0000
				1"	100°	Standard	0.385"			0.083"	Fully Threaded	70,000	—	MS24693-C76, NASM24693	—	25	93085A843	00000
				1 1/4"	100°	Standard	0.385"			0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C78, NASM24693	—	10	96877A757	0000
				1 1/2"	100°	Standard	0.385"			0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C80, NASM24693	—	10	96877A758	0000
				2"	100°	Standard	0.385"			0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C84, NASM24693	—	10	96877A759	0000




						10-32

						1/4"	100°	Standard	0.385"	0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C268, NASM24693	—	25	93085A825	0000


						5/16"	100°	Standard	0.385"	0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C269, NASM24693	—	25	93085A823	0000
						3/8"	100°	Standard	0.385"	0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C270, NASM24693	—	50	93085A827	00000
						7/16"	100°	Standard	0.385"	0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C271, NASM24693	Material Certificate	50	93085A828	00000
						1/2"	100°	Standard	0.385"	0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C272, NASM24693	—	25	93085A829	00000
						5/8"	100°	Standard	0.385"	0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C273, NASM24693	—	25	93085A830	00000
						3/4"	100°	Standard	0.385"	0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C274, NASM24693	—	25	93085A831	00000
						7/8"	100°	Standard	0.385"	0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C275, NASM24693	Material Certificate	25	93085A832	00000
						1"	100°	Standard	0.385"	0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C276, NASM24693	Material Certificate	25	93085A833	00000
						1 1/8"	100°	Standard	0.385"	0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C277, NASM24693	Material Certificate	10	96877A761	0000
						1 1/4"	100°	Standard	0.385"	0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C278, NASM24693	Material Certificate	10	93085A835	0000


						1 3/8"	100°	Standard	0.385"	0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C279, NASM24693	Material Certificate	10	96877A762	0000
						1 1/2"	100°	Standard	0.385"	0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C280, NASM24693	Material Certificate	10	93085A837	0000
1 5/8"						100°	Standard	0.385"	0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C281, NASM24693	Material Certificate	10	96877A763	0000
1 3/4"	100°					Standard	0.385"	0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C282, NASM24693	—	10	93085A855	00000
1 7/8"	100°					Standard	0.385"	0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C283, NASM24693	—	10	96877A764	00000
2"	100°					Standard	0.385"	0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C284, NASM24693	—	10	93085A856	0000
2 1/4"	100°					Standard	0.385"	0.083"	Partially Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C285, NASM24693	Material Certificate	10	96877A765	00000
2 1/2"	100°					Standard	0.385"	0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C286, NASM24693	Material Certificate	10	93085A857	00000




						1/4"-20

						3/8"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	—	MS24693-C92, NASM24693	—	25	93085A844	00000


						7/16"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C93, NASM24693	—	10	96877A766	00000
						1/2"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C94, NASM24693	—	10	93085A537	00000
						5/8"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C95, NASM24693	Material Certificate	10	93085A539	00000
						3/4"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C96, NASM24693	Material Certificate	25	93085A540	00000
						1"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C98, NASM24693	Material Certificate	10	93085A542	0000
						1 1/8"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C99, NASM24693	—	10	96877A767	00000
						1 1/4"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C100, NASM24693	—	10	93085A544	00000
						1 1/2"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	—	MS24693-C102, NASM24693	—	10	93085A845	00000
						1 3/4"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	—	MS24693-C104, NASM24693	Material Certificate	10	93085A846	00000
						2"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	—	MS24693-C106, NASM24693	Material Certificate	10	93085A847	00000




						1/4"-28

						3/8"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	—	MS24693-C292, NASM24693	Material Certificate	25	93085A848	00000


						7/16"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C293, NASM24693	Material Certificate	10	96877A768	0000
						1/2"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C294, NASM24693	—	10	93085A557	0000
						5/8"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C295, NASM24693	—	10	93085A558	0000
						3/4"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C296, NASM24693	—	10	93085A559	00000
						7/8"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C297, NASM24693	—	10	93085A560	00000
						1"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C298, NASM24693	—	10	93085A561	00000
						1 1/8"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C299, NASM24693	—	10	96877A769	00000
						1 1/4"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C300, NASM24693	Material Certificate	10	93085A563	00000
						1 1/2"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	—	MS24693-C302, NASM24693	—	10	93085A849	00000
				1 5/8"		100°	Standard	0.507"	0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C303, NASM24693	—	5	96877A771	00000


				1 3/4"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C304, NASM24693	Material Certificate	5	96877A772	00000
				1 7/8"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C305, NASM24693	Material Certificate	1	96877A773	0000
				2"	100°	Standard	0.507"	0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-C306, NASM24693	—	1	96877A774	0000


				Black-Oxide 18-8 Stainless Steel







								0-80

								3/16"	100°	Standard	0.119"	0.026"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-420B, NASM24693	—	25	93085A657	0000




										2-56

										1/8"	100°	Standard	0.172"	0.037"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-16B, NASM24693	—	25	93085A619	00000


										5/32"	100°	Standard	0.172"	0.037"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-17B, NASM24693	—	25	93085A621	00000




										4-40

										3/16"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-1B, NASM24693	—	25	93085A611	00000


										1/4"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-2B, NASM24693	—	25	93085A612	0000
										5/16"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-3B, NASM24693	—	25	93085A613	00000
										3/8"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-4B, NASM24693	—	25	93085A614	00000
										7/16"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-5B, NASM24693	—	25	93085A615	0000
										1/2"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-6B, NASM24693	—	25	93085A616	00000
										5/8"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-7B, NASM24693	—	25	93085A617	00000
										3/4"	100°	Standard	0.225"	0.049"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-8B, NASM24693	Material Certificate	25	93085A618	0000




			6-32

			3/16"								100°	Standard	0.279"	0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-23B, NASM24693	—	25	93085A622	0000


			1/4"								100°	Standard	0.279"	0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-24B, NASM24693	—	25	93085A623	0000
			5/16"								100°	Standard	0.279"	0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-25B, NASM24693	—	25	93085A624	00000
			3/8"								100°	Standard	0.279"	0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-26B, NASM24693	Material Certificate	25	93085A625	00000
			7/16"								100°	Standard	0.279"	0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-27B, NASM24693	—	25	93085A626	00000
			1/2"								100°	Standard	0.279"	0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-28B, NASM24693	Material Certificate	25	93085A627	0000
			5/8"								100°	Standard	0.279"	0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-29B, NASM24693	Material Certificate	25	93085A628	00000
			3/4"								100°	Standard	0.279"	0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-30B, NASM24693	—	25	93085A629	00000
			7/8"								100°	Standard	0.279"	0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-31B, NASM24693	—	25	93085A631	00000
			1"								100°	Standard	0.279"	0.06"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-32B, NASM24693	—	25	93085A632	00000




												8-32

												1/4"	100°	Standard	0.332"	0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-46B, NASM24693	—	25	93085A633	0000


												5/16"	100°	Standard	0.332"	0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-47B, NASM24693	—	25	93085A634	00000
												3/8"	100°	Standard	0.332"	0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-48B, NASM24693	—	25	93085A635	00000
				7/16"								100°	Standard	0.332"	0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-49B, NASM24693	Material Certificate	25	93085A636	0000
				1/2"	100°							Standard	0.332"	0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-50B, NASM24693	—	25	93085A637	00000
				5/8"	100°							Standard	0.332"	0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-51B, NASM24693	—	25	93085A638	00000
				3/4"	100°							Standard	0.332"	0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-52B, NASM24693	—	25	93085A639	00000
				7/8"	100°							Standard	0.332"	0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-53B, NASM24693	—	25	93085A641	00000
				1"	100°	Standard						0.332"	0.072"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-54B, NASM24693	—	10	93085A642	0000




						10-32

						1/4"	100°					Standard	0.385"	0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-268B, NASM24693	—	25	93085A643	00000


						5/16"	100°	Standard	0.385"			0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-269B, NASM24693	—	25	93085A644	00000
						3/8"	100°	Standard	0.385"			0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-270B, NASM24693	—	25	93085A645	00000
						7/16"	100°	Standard	0.385"			0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-271B, NASM24693	—	25	93085A646	00000
						1/2"	100°	Standard	0.385"			0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-272B, NASM24693	—	25	93085A647	00000
						5/8"	100°	Standard	0.385"			0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-273B, NASM24693	Material Certificate	25	93085A648	00000
						3/4"	100°	Standard	0.385"			0.083"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-274B, NASM24693	—	10	93085A649	0000
7/8"						100°	Standard	0.385"	0.083"			Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-275B, NASM24693	—	10	93085A651	0000
1"	100°					Standard	0.385"	0.083"	Fully Threaded			70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-276B, NASM24693	—	10	93085A652	0000




						1/4"-20

						1/2"	100°	Standard	0.507"			0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-94B, NASM24693	—	10	93085A653	00000


						5/8"	100°	Standard	0.507"			0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-95B, NASM24693	—	10	93085A654	00000
						3/4"	100°	Standard	0.507"			0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-96B, NASM24693	—	10	93085A655	00000
						1"	100°	Standard	0.507"			0.11"	Fully Threaded	70,000	SAE AMS2700	Fed. Spec. FF-S-92, Fed. Spec. QQ-P-35, MS24693-98B, NASM24693	Material Certificate	10	93085A656	00000

Steel Phillips Flat Head Screws

One of the most common drive styles. Phillips drives have a cross-shaped opening in which a driver fits snugly for easy alignment. With four contact points, they withstand more torque than slotted drives, but drivers slip when you apply too much force.

Length is measured from the top of the head.

Cadmium-Plated Steel—The plating reduces friction between the screw and your mounting surface to prevent sticking when you tighten or loosen them. It also creates a barrier against rust.

Standard Profile—Standard-profile heads are the most common choice for flat head screws.

Undercut Profile—About a third thinner than standard heads, the undercut profile fits into shallow holes in thin material. The thin head also has more threading on the shaft, so they're often used to keep short screws from coming loose.

Military Specification—These screws are manufactured and tested to meet strict U.S. military standards for material and construction.

				Head
	Lg.	Countersink Angle	Flat Head Profile	Dia.	Ht.	Threading	Tensile Strength, psi	Mil. Spec.	Certificate Type	Pkg. Qty.		Pkg.
Cadmium-Plated Steel







				4-40

				3/16"	82°	Undercut	0.225"	0.047"	Fully Threaded	60,000	MS35190-220, NASM35190	—	100	91321A111	000000


				3/16"	100°	Standard	0.225"	0.049"	Fully Threaded	60,000	MS24693-S1, NASM24693	—	100	94023A111	0000
				1/4"	82°	Standard	0.225"	0.067"	Fully Threaded	60,000	MS35190-221, NASM35190	—	100	91321A112	00000
				1/4"	100°	Standard	0.225"	0.049"	Fully Threaded	60,000	MS24693-S2, NASM24693	—	100	94023A112	00000
				3/8"	82°	Standard	0.225"	0.067"	Fully Threaded	60,000	MS35190-223, NASM35190	—	100	91321A113	00000
				3/8"	100°	Standard	0.225"	0.049"	Fully Threaded	60,000	MS24693-S4, NASM24693	—	100	94023A113	00000
				1/2"	82°	Standard	0.225"	0.067"	Fully Threaded	60,000	MS35190-225, NASM35190	—	100	91321A114	00000
				1/2"	100°	Standard	0.225"	0.049"	Fully Threaded	60,000	MS24693-S6, NASM24693	—	100	94023A114	00000




						6-32

						1/4"	82°	Standard	0.279"	0.083"	Fully Threaded	60,000	MS35190-234, NASM35190	—	100	91321A115	00000


						1/4"	100°	Standard	0.279"	0.06"	Fully Threaded	60,000	MS24693-S24, NASM24693	—	100	94023A115	00000
						3/8"	82°	Standard	0.279"	0.083"	Fully Threaded	60,000	MS35190-236, NASM35190	—	100	91321A116	00000
						3/8"	100°	Standard	0.279"	0.06"	Fully Threaded	60,000	MS24693-S26, NASM24693	Material Certificate	100	94023A116	00000
						1/2"	82°	Standard	0.279"	0.083"	Fully Threaded	60,000	MS35190-238, NASM35190	—	100	91321A117	00000
						1/2"	100°	Standard	0.279"	0.06"	Fully Threaded	60,000	MS24693-S28, NASM24693	—	50	94023A117	0000
						3/4"	82°	Standard	0.279"	0.083"	Fully Threaded	60,000	MS35190-240, NASM35190	—	100	91321A118	00000




								8-32

								1/4"	82°	Undercut	0.332"	0.07"	Fully Threaded	60,000	MS35190-249, NASM35190	—	100	91321A119	00000


								3/8"	82°	Standard	0.332"	0.1"	Fully Threaded	60,000	MS35190-251, NASM35190	—	100	91321A121	00000
								3/8"	100°	Standard	0.332"	0.072"	Fully Threaded	60,000	MS24693-S48, NASM24693	—	50	94023A118	0000
								1/2"	82°	Standard	0.332"	0.1"	Fully Threaded	60,000	MS35190-253, NASM35190	—	100	91321A122	00000
								1/2"	100°	Standard	0.332"	0.072"	Fully Threaded	60,000	MS24693-S50, NASM24693	—	50	94023A119	0000
								3/4"	82°	Standard	0.332"	0.1"	Fully Threaded	60,000	MS35190-255, NASM35190	—	100	91321A123	00000
								3/4"	100°	Standard	0.332"	0.072"	Fully Threaded	60,000	MS24693-S52, NASM24693	—	50	94023A121	00000




										10-32

										3/8"	82°	Standard	0.385"	0.116"	Fully Threaded	60,000	MS35191-270, NASM35191	—	50	91321A124	0000


										3/8"	100°	Standard	0.385"	0.083"	Fully Threaded	60,000	MS24693-S270, NASM24693	—	50	94023A122	00000
										1/2"	82°	Standard	0.385"	0.116"	Fully Threaded	60,000	MS35191-272, NASM35191	—	50	91321A125	00000
										1/2"	100°	Standard	0.385"	0.083"	Fully Threaded	60,000	MS24693-S272, NASM24693	—	50	94023A123	00000
										3/4"	82°	Standard	0.385"	0.116"	Fully Threaded	60,000	MS35191-274, NASM35191	—	50	91321A126	00000
										3/4"	100°	Standard	0.385"	0.083"	Fully Threaded	60,000	MS24693-S274, NASM24693	—	50	94023A124	00000
										1"	82°	Standard	0.385"	0.116"	Fully Threaded	60,000	MS35191-276, NASM35191	—	50	91321A127	00000
1"										100°	Standard	0.385"	0.083"	Fully Threaded	60,000	MS24693-S276, NASM24693	—	50	94023A125	00000




		1/4"-20

		1/2"	82°							Standard	0.507"	0.153"	Fully Threaded	60,000	MS35190-287, NASM35190	—	25	91321A128	00000


		1/2"	100°							Standard	0.507"	0.11"	Fully Threaded	60,000	MS24693-S94, NASM24693	—	25	94023A126	0000
		3/4"	82°							Standard	0.507"	0.153"	Fully Threaded	60,000	MS35190-289, NASM35190	—	25	91321A129	00000
		1"	82°							Standard	0.507"	0.153"	Fully Threaded	60,000	MS35190-291, NASM35190	—	25	91321A131	00000
		1 1/2"	82°							Standard	0.507"	0.153"	Fully Threaded	60,000	MS35190-293, NASM35190	—	25	91321A132	00000

Stainless Steel Slotted Flat Head Screws

The most corrosion-resistant slotted flat head screws we offer. Made of stainless steel, they won't rust or corrode when exposed to moisture or chemicals. With only two contact points, the slotted drive is the most basic drive style. The slot can't withstand much torque, so it's best to hand-tighten them instead of using power tools.

Length is measured from the top of the head.

18-8 Stainless Steel—The choice for wet and outdoor environments, these screws won't rust. However, they don't hold up to the harsh chemicals that 316 stainless steel can.

Standard Profile—Standard-profile heads are the most common choice for flat head screws.

Military Specification—These screws are manufactured and tested to meet strict U.S. military standards for material and construction.

				Head, mm
	Lg., mm	Countersink Angle	Flat Head Profile	Dia.	Ht.	Threading	Tensile Strength, psi	Mil. Spec.	Certificate Type	Pkg. Qty.		Pkg.
18-8 Stainless Steel







				M0.5 × 0.125 mm

				2	100°	Standard	0.94	0.28	Fully Threaded	70,000	NAS723CE50-080	—	1	91430A141	000000


				3	100°	Standard	0.94	0.28	Fully Threaded	70,000	NAS723CE50-120	Material Certificate	1	91430A142	00000




						M0.8 × 0.2 mm

						2	100°	Standard	1.42	0.41	Fully Threaded	70,000	NAS723CE80-080	—	1	91430A143	0000


						3	100°	Standard	1.42	0.41	Fully Threaded	70,000	NAS723CE80-120	—	1	91430A144	0000




								M0.9 × 0.225 mm

								2	100°	Standard	1.52	0.38	Fully Threaded	70,000	NAS723CE90-080	—	1	91430A145	0000


								3	100°	Standard	1.52	0.38	Fully Threaded	70,000	NAS723CE90-120	Material Certificate	1	91430A146	0000
								4	100°	Standard	1.52	0.38	Fully Threaded	70,000	NAS723CE90-160	—	1	91430A147	0000