Square Head Set Screws Case Hardened Steel Cup Point 5/16-18 X 3 1/2
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Square Head Set Screws Case Hardened Steel Cup Point 5/16-18 X 3 1/2

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[25 PKG] Square Head Set Screws Case Hardened Steel Cup Point 5/16-18 X 3 1/2

Mutual ScrewSKU: 3156QSCBB
Price:
$127.37per 25( $5.09 each)
Pieces 25
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 3-1/2
Material Steel
Grade Case Hardened
Finish Case Hardened
Head style Square
Threads per inch 18
Thread style Fully Threaded
Weight 1.92 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

Square Head Set Screws in Case Hardened Steel with Cup Point — size 5/16-18 UNC, length 3-1/2" for secure, vibration-resistant fastening in a wide range of mechanical assemblies.

These set screws feature a square head that accepts standard wrenches for easy installation and removal, and a cup point that provides positive seating with reduced surface damage, making them ideal for applications where fastening integrity is critical.

Specifications

  • Size / Thread: 5/16-18 UNC
  • Length: 3-1/2 in
  • Head Style: Square
  • Point Style: Cup
  • Material: Case Hardened Steel

Benefits

  • Secure, vibration-resistant fastening with a flush seating
  • Cup point minimizes indentation and surface damage while maximizing grip
  • Durable case-hardened steel for long wear in demanding environments

Applications

  • Machinery assemblies requiring precise, repeatable fastening
  • Pulleys, gears, hubs, and couplings
  • Fixtures and tooling setups

Equip your toolkit with this reliable square head set screw to ensure dependable performance across your projects.

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

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