#065155

Diameter Thread Threads Length Grade Finish Weight
0.75 (3/4) Partial 10 2.5 (2 1/2) Grade 5 Plain Finish .324
Diameter 0.75 (3/4)
Thread 10
Length 2.5 (2 1/2)
Grade Grade 5
Finish Plain Finish
Weight .324



The Slot Screw Drive was the first screw drive to be developed. Today, Earnest provides Grade 5 Slotted Flat Head Cap Screws (or Slotted Flat Countersunk Head Cap Screws) with a flat head and a cone-shaped outer face. The outer cone allows the screws to sink into a countersunk clamping material giving them a flush mount. The low profile provides a flush clearance perfect for conveyor systems (frequently used in rock quarries and mines).

Slotted Flat Head Cap Screw – Grade 5

  • Flat countersunk head ensures a flush surface
  • Popular in conveyer belt applications due to the flexing and strain it can withstand
  • Up to 1” diameter
  • Tensile strength of 120,000 psi min
  • Rockwell hardness of Rc 25/34
  • 1 1/8” and larger diameter
  • Tensile strength of 105,000 psi min
  • Rockwell hardness of Rc 19/30
  • Diameter sizes range from 1/4 to 1 1/4
  • Meets ANSI B 18.6.2 standards
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