[10 PKG] Square Head Set Screws Case Hardened Steel Cup Point 7/8-9 X 3 1/2

Mutual ScrewSKU: 8756QSCBB

Price:
Sale price$92.35per 10( $9.24 each)
Measurement type Inch
Thread size 7/8-9
Diameter 7/8
Length 3-1/2
Material Steel
Grade Case Hardened
Finish Case Hardened
Head style Square
Threads per inch 9
Thread style Fully Threaded
Weight 6.22 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 a Cup Point deliver secure, high-load fastening for machinery and assemblies. Sized 7/8-9 x 3 1/2 in, these screws combine an easy-to-drive square head with a precise gripping point that resists loosening under heavy use.

Designed for reliability in rugged settings, the square head provides an ample driving surface for standard wrenches, while the cup point bites into the mating surface to maximize torque retention and minimize slip. The case-hardened steel construction offers outstanding hardness and wear resistance for long-lasting performance in demanding environments.

Key benefits include:

  • Secure grip: Cup point embeds into surfaces to prevent back-out under vibration
  • Durable material: Case hardened steel for increased hardness and wear resistance
  • Easy installation: Square head accepts standard tools for straightforward tightening
  • Precise sizing: 7/8-9 thread with 3 1/2 inch length for reliable fit in compatible assemblies

Whether you’re assembling machinery components, securing pulleys or locking collars, these square head set screws deliver dependable performance where it matters most. Add them to your toolkit for fast, durable fastening on high-stress applications.

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