MS 24671 Socket Head Cap Screws

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Military Specification

System of Measurement

Thread Size

Length

Fastener Head Type

Material

Countersink Angle

Drive Style

Flat Head Profile

Specifications Met

Threading

DFARS Specialty Metals

Head Diameter

Thread Direction

Head Height

Thread Type

Drive Size

Tensile Strength

Less than 100,000 psi

REACH

Compliant

Thread Fit

Unified Standard Class 3A

RoHS

Compliant

Thread Spacing

Coarse

Performance

Corrosion Resistant

Export Control Classification Number (ECCN)

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Hardness

29 Products

Stainless Steel Hex-Drive Flat Head Screws

The most corrosion-resistant hex-drive flat head screws we offer. Made of stainless steel, they won't rust or corrode when exposed to moisture and chemicals, but they're not as strong as alloy steel. With six contact points, the hex drive withstands more torque than slotted and Phillips to securely grip your driver without slipping and stripping the drive.

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







				4-40

				1/4"	82°	Standard	0.255"	0.083"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-1	000000000	00000


				3/8"	82°	Standard	0.255"	0.083"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-2	000000000	0000
				1/2"	82°	Standard	0.255"	0.083"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-3	000000000	0000
				5/8"	82°	Standard	0.255"	0.083"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-4	000000000	0000
				3/4"	82°	Standard	0.255"	0.083"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-5	000000000	0000




						6-32

						1/4"	82°	Standard	0.307"	0.097"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-7	000000000	0000


						3/8"	82°	Standard	0.307"	0.097"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-8	000000000	0000
						1/2"	82°	Standard	0.307"	0.097"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-9	000000000	0000
						5/8"	82°	Standard	0.307"	0.097"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-10	000000000	0000
						3/4"	82°	Standard	0.307"	0.097"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-11	000000000	0000




								8-32

								3/8"	82°	Standard	0.359"	0.112"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-13	000000000	0000


								1/2"	82°	Standard	0.359"	0.112"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-14	000000000	0000
								3/4"	82°	Standard	0.359"	0.112"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-16	000000000	0000
								1"	82°	Standard	0.359"	0.112"	Partially Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-17	000000000	0000




										10-24

										3/8"	82°	Standard	0.411"	0.127"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-19	000000000	0000


										1/2"	82°	Standard	0.411"	0.127"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-20	000000000	0000
										5/8"	82°	Standard	0.411"	0.127"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-21	000000000	0000
										3/4"	82°	Standard	0.411"	0.127"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-22	000000000	0000
										1"	82°	Standard	0.411"	0.127"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-23	000000000	0000




												1/4"-20

												1/2"	82°	Standard	0.531"	0.161"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-28	000000000	0000


												5/8"	82°	Standard	0.531"	0.161"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-29	000000000	0000
3/4"												82°	Standard	0.531"	0.161"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-30	000000000	0000
1"	82°											Standard	0.531"	0.161"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-31	000000000	0000
1 1/2"	82°											Standard	0.531"	0.161"	Partially Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-33	000000000	0000




		5/16"-18

		3/4"	82°									Standard	0.656"	0.198"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-40	000000000	00000


		1"	82°									Standard	0.656"	0.198"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-41	000000000	00000
		1 1/2"	82°									Standard	0.656"	0.198"	Partially Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-43	000000000	00000




												3/8"-16

				3/4"	82°							Standard	0.781"	0.234"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-51	000000000	00000


				1"	82°							Standard	0.781"	0.234"	Fully Threaded	70,000	Fed. Spec. QQ-P-35	MS24671-52	000000000	00000