[25 PKG] Square Head Set Screws Case Hardened Steel Cup Point 5/16-18 X 4

Mutual ScrewSKU: 3164QSCBB

Price:
Sale price$137.31per 25( $5.49 each)
Pieces 25
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 4
Material Steel
Grade Case Hardened
Finish Case Hardened
Head style Square
Threads per inch 18
Thread style Fully Threaded
Weight 2.0 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

Square Head Set Screw with a cup point, crafted from case-hardened steel, sized 5/16-18 x 4. This robust fastener is ideal for securing gears, pulleys, collars, and other components where a low-profile, high-load grip is required.

Features

  • Square head design allows tool engagement for precise tightening and initial alignment.
  • Cup point provides a firm seating surface and even load distribution for reliable locking.
  • Case-hardened steel delivers enhanced wear resistance and durability in demanding applications.
  • 5/16-18 thread with a length of 4 inches fits standard hardware and assemblies.

Why use this square head set screw?

When you need a secure, vibration-resistant fastener that won’t mar delicate surfaces, this square head set screw is a dependable choice. The cup point helps prevent loosening under load, while the case-hardened steel stands up to repetitive tightening and assembly cycles.

Applications

Commonly used to lock components on shafts, secure collars, and position parts in machinery, equipment, and shop projects where a clean, low-profile fastener is required.

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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