Grade 8, 5/16"-18 Hex Head Cap Screw, Zinc & Yellow Plated Steel, 2 in L, 50 PK

CONTRACTOR SELECT — Hex Head Cap Screws — Grade 8, 5/16"-18 Hex Head Cap Screw, Zinc & Yellow Plated Steel, 2 in L, 50 PK

A practical Hex Head Cap Screws by CONTRACTOR SELECT intended for repeatable results in shop, facility, and field workflows.

Quick specs

• Material: Steel
• Finish: Zinc Yellow
• System of Measurement: Inch
• Thread Size: 5/16"-18
• Manufacturer Part Number: U04104.031.0200
• UPC: -

Product information

• Manufacturer Part Number: U04104.031.0200
• UPC: -
• Country of Origin: Multiple

Dimensions

• Head Height: 13/64 in
• Min. Thread Length: 7/8 in
• Thread Size: 5/16"-18
• Fastener Length: 2 in
• Head Width: 1/2 in

Details

• Drive: External Hex
• Material Grade/Class: Grade 8
• Material: Steel
• Finish: Zinc Yellow
• Thread Style: Partially Threaded
• Thread Direction: Right Hand
• Standards: SAE J429
• Item: Hex Head Cap Screw
• Proof Load: 120,000 psi
• Rockwell Hardness: HRC33
• Thread Type: UNC (Coarse)
• Tensile Strength: 150,000 psi
• Thread Fit: 2A
• Threadlocker Minimum Temperature: 5/16"-18
• Dimensional Standards: ASME B18.2.1
• Globally Sourced: Globally Sourced
• Manufacturer Location: Globally Sourced
• Material Quality Standards: SAE J429
• Fastener Industry Standards: ASME B18.2.1
• System of Measurement: Inch

This Hex Head Cap Screws is a practical option for maintenance teams and procurement.

Recommended for inventory replenishment and standardization and designed to support reliable operation in demanding environments.

Highlights

• Designed for professional use where predictable fit and handling are important.
• Works well in standardized part lists and preventative maintenance schedules.
• Clear specification formatting helps reduce ordering mistakes.
• Organized for straightforward purchasing and stocking.

Notes: Verify measurement standards, tolerances, and compatibility with existing assemblies before purchase.