[25 PKG] Square Head Set Screws Case Hardened Steel Cup Point 5/16-18 X 5

Mutual ScrewSKU: 3180QSCBB

Price:
Sale price$123.39per 25( $4.94 each)
Pieces 25
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 5
Material Steel
Grade Case Hardened
Finish Case Hardened
Head style Square
Threads per inch 18
Thread style Fully Threaded
Weight 3.0 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 reliability in mechanically demanding setups, the Square Head Set Screw in Case Hardened Steel with a Cup Point delivers secure clamping and lasting performance. Designed for shafts and components where a low-profile drive head is preferred, this screw combines precision threading with a robust, wear-resistant finish.

With a 5/16-18 thread size and a length of 5 inches, these set screws are a versatile choice for a wide range of applications, from industrial machinery to DIY projects. The square head provides a flat driving surface that resists rounding, while the cup point ensures a firm, even seating to reduce marring on the mating surface.

Specifications

  • Size: 5/16-18
  • Length: 5 inches
  • Head style: Square
  • Point type: Cup
  • Material: Case hardened steel

Benefits

  • Durable, wear-resistant construction thanks to case hardening
  • Secure grip on shafts with a cup point that distributes load
  • Low-profile square head resists cam-out and provides easy drive with standard tools

Applications

Ideal for assembling and securing gears, pulleys, collars, and other components to shafts in industrial equipment, machinery, and DIY projects where repeatable clamping and reliability matter.

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800-222-0324

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