[70 PKG] Hex Head Cap Screws Grade 8 Steel Plain Fine Thread 1/2-20 x 9-1/2

Mutual ScrewSKU: 51152CH8PBB

Price:
Sale price$213.75per 70( $3.05 each)
Pieces 70
Measurement type Inch
Thread size 1/2-20
Diameter 1/2
Length 9-1/2
Material Steel
Grade Grade 8
Finish Plain
Head style Hex
Threads per inch 20
Thread style Partially Threaded
Weight 38.0 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

Engineered for strength and reliability, these Hex Head Cap Screws are made from Grade 8 steel with a plain finish and fine thread. Sized 1/2-20 x 9-1/2, they are ideal for high-stress assemblies where a durable, secure fastener is required.

Key Features

  • Grade 8 steel construction: exceptional tensile strength and toughness for demanding applications.
  • Plain finish: no plating, suitable for indoor use and easy to clean.
  • Fine thread (1/2-20): provides greater pull for precision assemblies and better vibration resistance.
  • Size: 1/2" diameter, 9-1/2" length.
  • Head type: hex head cap screw for strong torque transmission.

Benefits & Applications

These fasteners deliver reliable performance in machinery, automotive, and industrial equipment where high strength, secure clamping, and durable service are essential. The plain finish makes them suitable for assemblies that will be covered or painted, and the fine thread helps achieve a tighter grip with reduced loosening under vibration.

Specifications

  • Material: Grade 8 steel
  • Finish: Plain
  • Thread: Fine (1/2-20)
  • Length: 9-1/2 in
  • Diameter: 1/2 in

For best results, pair these screws with compatible plain threaded nuts or tapped holes designed for Grade 8 steel fasteners. Check your torque requirements and ensure proper alignment to prevent thread damage and ensure a secure, long-lasting fastening solution.

Order today to secure the high-strength fastening your projects demand.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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