[100 PKG] Hex Head Cap Screws Grade 8 Steel Plain Fine Thread (USA Made) 1/4-28 x 5/8

Mutual ScrewSKU: 1510CH8PDBB

Price:
Sale price$14.38 Regular price$15.97per 100( $0.14 each)
Pieces 100
Measurement type Inch
Thread size 1/4-28
Diameter 1/4
Length 5/8
Material Steel
Grade Grade 8
Finish Plain
Head style Hex
Threads per inch 28
Thread style Partially Threaded
Weight 1.34 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

Hex Head Cap Screws Grade 8 Steel with Plain Finish and Fine Thread — precision fasteners engineered for high-strength assemblies. This USA-made screw measures 1/4-28 x 5/8, delivering reliable performance in demanding applications.

Key features

  • High-strength Grade 8 steel: built for maximum durability and load-bearing capability.
  • Plain finish: suitable for indoor use and assemblies without coatings.
  • Fine thread 1/4-28: provides smoother engagement, improved clamping force, and better vibration resistance in tight tolerances.
  • Hex head design: allows easy driving with standard tools and secure torque transfer.
  • Size: 1/4-28 x 5/8 (quarter-inch diameter, 28 threads per inch, 5/8 inch length).
  • Made in the USA: supports domestic manufacturing and consistent quality control.

Specifications

Diameter and thread: 1/4-28

Length: 5/8 in

Head style: Hex

Finish: Plain

Material: Grade 8 steel

Country of origin: USA

Applications

Ideal for automotive, machinery, equipment, and general engineering projects requiring high-strength fasteners with a fine thread for precise alignment and clamping. Use with compatible nuts or tapped holes and install with standard hex drivers to achieve secure, vibration-resistant joints.

Stocked for quick shipments—add the 1/4-28 x 5/8 Hex Head Cap Screw, Grade 8 steel, plain finish, to your toolkit today.

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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