Grade 5, 5/16"-18 Hex Head Cap Screw, Zinc Plated Steel, 1-1/4 in L, 100 PK

CONTRACTOR SELECT — Hex Head Cap Screws — Grade 5, 5/16"-18 Hex Head Cap Screw, Zinc Plated Steel, 1-1/4 in L, 100 PK

Designed for professional use, this CONTRACTOR SELECT Hex Head Cap Screws helps keep parts and tooling consistent across routine service tasks.

Quick specs

• Material: Steel
• Finish: Zinc Plated
• System of Measurement: Inch
• Thread Size: 5/16"-18
• Manufacturer Part Number: N01200.031.0125
• UPC: 190735969113

Product information

• Country of Origin: United States
• Manufacturer Part Number: N01200.031.0125
• UPC: 190735969113

Dimensions

• Min. Thread Length: 7/8 in
• Head Height: 13/64 in
• Thread Size: 5/16"-18
• Fastener Length: 1-1/4 in
• Head Width: 1/2 in

Details

• Standards: SAE J429
• Item: Hex Head Cap Screw
• Tensile Strength: 120,000 psi
• Rockwell Hardness: HRC19
• Proof Load: 74,000 to 85,000 psi
• Thread Type: UNC (Coarse)
• Threadlocker Minimum Temperature: 5/16"-18
• Globally Sourced: Made in USA*
• Dimensional Standards: ASME B18.2.1
• Thread Fit: 2A
• Manufacturer Location: Made in USA*
• Material Quality Standards: SAE J429
• Fastener Industry Standards: ASME B18.2.1
• System of Measurement: Inch
• Drive: External Hex
• Material Grade/Class: Grade 5
• Material: Steel
• Finish: Zinc Plated
• Thread Style: Fully Threaded
• Thread Direction: Right Hand

This Hex Head Cap Screws is well-suited for replacement, upgrade, and stock-room use.

Recommended for maintenance and repair workflows and well-suited for replacement, upgrade, and stock-room use.

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: Confirm fit, compatibility, and any site-specific requirements prior to ordering or installation.