MS 24667 Socket Head Cap Screws

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130,000 psi to 149,999 psi

Threading

Head Diameter

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Unified Standard Class 3A

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16 Products

Steel Hex-Drive Flat Head Screws

Our strongest hex-drive flat head screws. They're made of alloy steel, so they have nearly twice the tensile strength of other screws. 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.

Cadmium-Plated Alloy 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.

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
Cadmium-Plated Alloy Steel







				4-40

				1/4"	82°	Standard	0.255"	0.083"	Fully Threaded	140,000	ASTM F835	MS24667-1	000000000	00000


				3/8"	82°	Standard	0.255"	0.083"	Fully Threaded	140,000	ASTM F835	MS24667-2	000000000	0000
				1/2"	82°	Standard	0.255"	0.083"	Fully Threaded	140,000	ASTM F835	MS24667-3	000000000	0000
				3/4"	82°	Standard	0.255"	0.083"	Fully Threaded	140,000	ASTM F835	MS24667-5	000000000	0000




						6-32

						3/8"	82°	Standard	0.307"	0.097"	Fully Threaded	140,000	ASTM F835	MS24667-8	000000000	0000


						1/2"	82°	Standard	0.307"	0.097"	Fully Threaded	140,000	ASTM F835	MS24667-9	000000000	0000
						5/8"	82°	Standard	0.307"	0.097"	Fully Threaded	140,000	ASTM F835	MS24667-10	000000000	00000
						3/4"	82°	Standard	0.307"	0.097"	Fully Threaded	140,000	ASTM F835	MS24667-11	000000000	0000




								8-32

								3/8"	82°	Standard	0.359"	0.112"	Fully Threaded	140,000	ASTM F835	MS24667-13	000000000	0000


								1/2"	82°	Standard	0.359"	0.112"	Fully Threaded	140,000	ASTM F835	MS24667-14	000000000	0000
								5/8"	82°	Standard	0.359"	0.112"	Fully Threaded	140,000	ASTM F835	MS24667-15	000000000	0000




										1/4"-20

										5/8"	82°	Standard	0.531"	0.161"	Fully Threaded	140,000	ASTM F835	MS24667-29	000000000	0000


										3/4"	82°	Standard	0.531"	0.161"	Fully Threaded	140,000	ASTM F835	MS24667-30	000000000	0000
										1"	82°	Standard	0.531"	0.161"	Fully Threaded	140,000	ASTM F835	MS24667-31	000000000	00000




												5/16"-18

												1"	82°	Standard	0.656"	0.198"	Fully Threaded	140,000	ASTM F835	MS24667-41	000000000	00000




														3/8"-16

														1"	82°	Standard	0.781"	0.234"	Fully Threaded	140,000	ASTM F835	MS24667-52	000000000	00000