[100 PKG] Square Head Set Screws 18/8 Stainless Steel Cup Point 5/16-18 X 1/2

Mutual ScrewSKU: 3108SQSC188BB

Price:
Sale price$118.66per 100( $1.19 each)
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 1/2
Material Steel
Grade 18/8
Finish Stainless Steel
Head style Square
Threads per inch 18
Thread style Fully Threaded
Weight 1.34 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 secure, slip-resistant fastening in machinery and equipment, our Square Head Set Screws with Cup Point in 18/8 stainless steel deliver dependable torque transfer and durable corrosion resistance in demanding environments.

Designed for applications where a flush, high-friction fastener is required, this screw features a square head for easy tightening with a wrench or pliers, a cup point that bites into the shaft to prevent creep, and a robust 5/16-18 UNC thread on a 1/2 inch length.

  • Material: 18/8 stainless steel (304-grade) for excellent corrosion resistance and durability in wet or harsh environments.
  • Head style: Square head provides a reliable grip for tightening with a wrench or pliers, reducing cam-out.
  • Point type: Cup point offers positive engagement and surface grip to resist loosening under vibration.
  • Thread size: 5/16-18 UNC coarse thread for strong engagement in tapped holes or through-holes.
  • Length: 1/2 inch

Applications include securing gears, pulleys, collars, and other components on shafts in automotive, industrial, and marine settings where reliable, corrosion-resistant fasteners are essential.

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