[600 BULK] Hex Head Cap Screws Grade 5 Steel Plain Fine Thread 5/16-24 x 2-1/2

Mutual ScrewSKU: 3240CH5PBB

Price:
Sale price$107.56per 600( $0.18 each)
Pieces 600
Measurement type Inch
Thread size 5/16-24
Diameter 5/16
Length 2-1/2
Material Steel
Grade Grade 5
Finish Plain
Head style Hex
Threads per inch 24
Thread style Partially Threaded
Weight 37.0 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

Hex Head Cap Screws Grade 5 Steel Plain Fine Thread 5/16-24 x 2-1/2 delivers high-strength fastening for a wide range of assemblies. Crafted from Grade 5 steel with a plain, uncoated finish, these screws provide reliable torque, strong clamping power, and long-lasting performance in demanding environments.

Key features

  • Grade 5 steel construction for high tensile strength and durable performance in mechanical assemblies.
  • Hex head cap screw design enables quick, tool-ready installation with a standard hex wrench or socket.
  • Plain finish offers a true steel surface for use with protective coatings or in clean environments.
  • Fine thread 5/16-24 provides precise engagement, strong pull, and resistance to loosening in thinner materials.
  • Size and length: 5/16-24 thread with 2-1/2 inch length for broad compatibility across projects.

Specifications

  • Thread type: Fine thread 5/16-24
  • Head style: Hex head cap screw
  • Material: Grade 5 steel
  • Finish: Plain (uncoated)
  • Length: 2-1/2 inches
  • Drive: Hex

Applications

Ideal for automotive, industrial machinery, equipment assembly, woodworking, and general construction projects where strong, dependable fasteners are required. The 5/16-24 fine thread delivers secure engagement in a variety of materials, while the 2-1/2" length provides flexibility for thicker components.

Installation tips

  • Choose a compatible nut or tapped hole with 5/16-24 threads.
  • Use a proper hex socket or wrench to avoid head rounding and ensure a snug fit.
  • Lubricate threads if appropriate to reduce galling and ease future disassembly.

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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