5/16"-18x1/2" Hex Cap Screws Grade 8 Zinc-Yellow Bake - ECHO

The ECHO 3108CH8L features 5/16"-18x1/2" hex cap screws made from Grade 8 steel with a zinc-yellow bake finish. These screws are designed for high-strength applications, ensuring durability and resistance to corrosion. With a coarse thread design, they provide excellent grip and stability in various materials. Ideal for construction and industrial use, these screws meet stringent quality standards, making them a reliable choice for professionals. Each pack contains a bulk quantity, ensuring you have enough for your projects.

Description

BBI Cap Screw, Fully Threaded, Measurement System: Imperial, 5/16-18 Thread, 1/2 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, 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	1/2 in
Material	Alloy Steel
Material Specification	ASTM B633-Fe, Zn5 Type 2
Measurement System	Imperial
Tensile Strength	150000 psi
Thread Type	UNC
Type	Fully Threaded
Manufacturer	BBI

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