Silicon Bronze Allen Screws

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Thread Size

Length

Fastener Head Type

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Head Diameter

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Tensile Strength

50,000 psi to 79,999 psi

Head Height

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

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

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Hardness

Rockwell B70

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Thread Fit

Unified Standard Class 3A

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Thread Type

6 Products

Bronze Socket Head Screws

Stronger than brass screws and more corrosion resistant. These screws are often used in marine environments, industrial pumps, and valves. The deep, six-point socket keeps hex keys from slipping out and damaging the drive.

Length is measured from under the head.

Silicon Bronze—More resistant to salt water than brass screws. They're also stronger and more resistant to abrasion and wear.

		Head
	Lg.	Dia.	Ht.	Threading	Thread Spacing	Tensile Strength, psi	Pkg. Qty.		Pkg.
Silicon Bronze







				1/4"-20

				3/4"	3/8"	1/4"	Fully Threaded	Coarse	70,000	1	97928A105	00000


				1"	3/8"	1/4"	Fully Threaded	Coarse	70,000	1	97928A110	0000




						5/16"-18

						3/4"	15/32"	5/16"	Fully Threaded	Coarse	70,000	1	97928A130	0000


						1"	15/32"	5/16"	Fully Threaded	Coarse	70,000	1	97928A135	0000




								3/8"-16

								3/4"	9/16"	3/8"	Fully Threaded	Coarse	70,000	1	97928A210	0000


								1"	9/16"	3/8"	Fully Threaded	Coarse	70,000	1	97928A215	0000