3164CH8L 5/16-18X4 HEX CAP SCREWS GRADE 8 ZINC-YELLOW - ECHO GROUP INC

The 3164CH8L 5/16-18X4 HEX CAP SCREWS are Grade 8 fasteners, providing superior strength and durability for heavy-duty applications. With a length of 4 inches, these screws are ideal for securing machinery and structural components. The zinc-yellow finish enhances corrosion resistance, making them suitable for outdoor use. Designed for high-stress environments, these screws meet stringent quality standards, ensuring reliability in critical applications. Perfect for industrial and construction projects, they deliver exceptional performance and longevity.

Description

BBI Cap Screw, Partially Threaded, Measurement System: Imperial, 5/16-18 Thread, 4 in Length Under Head, 8 Grade, Alloy Steel, Zinc Yellow Bake CR+6, UNC Thread, 13/64 in H Head, Hex Head, 150000 psi Tensile Strength, Material Specification: ASTM B633-Fe, Zn5 Type 2, 5/16 in Shank, 33 to 39 HRC Hardness

Applications:

For machinery and constructions

Standards/Approval:

• ASME/ANSI B18.2.1

Diameter - Thread Size	5/16-18
Finish	Zinc Yellow Bake CR+6
Grade	8
Hardness	33 to 39 HRC
Head Size	13/64 in H
Head Type	Hex
Length Under Head	4 in
Material	Alloy Steel
Material Specification	ASTM B633-Fe, Zn5 Type 2
Measurement System	Imperial
Shank Size	5/16 in
Tensile Strength	150000 psi
Thread Type	UNC
Type	Partially Threaded
Manufacturer	BBI

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