5/16"-18 Socket Head Cap Screw, Black Oxide Steel, 1 in L, 100 PK

KERR LAKESIDE — Socket Head Cap Screws — 5/16"-18 Socket Head Cap Screw, Black Oxide Steel, 1 in L, 100 PK

A practical Socket Head Cap Screws by KERR LAKESIDE intended for repeatable results in shop, facility, and field workflows.

Quick specs

• System of Measurement: Inch
• Head Type: Socket
• Drive Type: Hex
• Length: 1 in
• Manufacturer Part Number: 31C100KCS
• UPC: 848790048860

Product information

• Manufacturer Part Number: 31C100KCS
• UPC: 848790048860
• Country of Origin: United States

Dimensions

• Min. Thread Length: 1 in
• Minimum Head Height: 0.306 in
• Minimum Thread Length: 1 in
• Head Diameter: 0.469 in
• Maximum Head Height: 0.312 in
• Dia./Thread Size: 5/16"-18
• Length: 1 in
• Head Dia.: 0.469 in
• Thread Size: 5/16"-18
• Screw Length: 1 in
• Drive Size: 1/4 in
• Thread Length: 1 in
• Vented Hole Size: Not Vented
• Head Height: 0.312 in

Details

• Pack Size: Small Pack
• Material Quality Standards: ASTM A574
• Fastener Finish: Black Oxide
• Fastener Industry Standards: ASME B18.3, ASTM A574
• Material Grade: Alloy Steel
• Basic Material: Steel
• Head Type: Socket
• Drive Type: Hex
• Tensile Strength: 180,000 psi
• Standards: ASME B18.3, ASTM A574
• System of Measurement: Inch
• Class: 3A
• Temp. Range: - 20 Degrees F to 400 Degrees F
• Fastener Thread Type: UNC (Coarse)
• Rockwell Hardness: C38 to C43
• Thread Style: Fully Threaded
• Thread Direction: Right Hand
• Thread Type: Coarse
• Maximum Temperature: 400 Degrees F
• Thread Fit: 3A
• Minimum Temperature: -20 Degrees F
• Dimensional Standards: ASME B18.3

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

Recommended for field service tasks and on-site replacement and chosen for predictable fit and professional handling.

Highlights

• Suitable for maintenance, repair, and project-based procurement.
• Helps keep specifications consistent across replacements and replenishment cycles.
• Designed for professional use where predictable fit and handling are important.
• Works well in standardized part lists and preventative maintenance schedules.

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