[100 PKG] Hex Head Cap Screws Grade 8 Steel Plain (USA Made) 5/8-18 x 3-1/4

Mutual ScrewSKU: 6352CH8PUSABB

Price:
Sale price$143.17 Regular price$159.08per 100( $1.43 each)
Pieces 100
Measurement type Inch
Thread size 5/8-18
Diameter 5/8
Length 3-1/4
Material Steel
Grade Grade 8
Finish Plain
Head style Hex
Threads per inch 18
Thread style Partially Threaded
Weight 34.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Meet the industry-standard fasteners: Hex Head Cap Screws Grade 8 steel Plain (USA Made) 5/8-18 x 3-1/4. Engineered for maximum strength and durability, these screws are ideal for heavy-duty assemblies in automotive, industrial, and equipment applications.

Key features

  • Material: Grade 8 steel with a plain finish for versatile use
  • Head type: hex head for high torque and secure tightening
  • Thread size: 5/8-18 standard coarse thread for robust engagement
  • Length: 3-1/4 in
  • Finish: plain / uncoated steel; suitable for finish plating if required later
  • Origin: USA Made

Specifications

  • Product: Hex Head Cap Screw
  • Grade: 8
  • Material: Steel
  • Finish: Plain
  • Thread: 5/8-18
  • Length: 3-1/4 in

Designed for high-load applications, these Grade 8 hex head screws are trusted in automotive, industrial, and construction settings. The plain steel finish provides versatility for on-site modifications, with the option to coat or plate later if required. For best results, pair with standard 5/8-18 nuts and compatible tapped holes.

Shop with confidence—these high-strength, USA-made fasteners deliver reliable clamping power for demanding jobs and are built to perform when it matters most.

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800-222-0324

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