#4-40x5/8 ISO B18.3 Alloy Steel Flat Hd Socket Cap Screw Full Thrd Black Oxide (Unbrako)

#961009

#4-40x5/8 ISO B18.3 Alloy Steel Flat Hd Socket Cap Screw Full Thrd Black Oxide (Unbrako)
Diameter Thread Threads Length Grade Finish Weight
0.112 (#4) Full 40 0.625 (5/8) Black Oxide .0035
Diameter 0.112 (#4)
Thread 40
Length 0.625 (5/8)
Grade
Finish Black Oxide
Weight .0035

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The Flat Head Socket Screws have a flat head with a cone-shaped outer face. The outer cone allows the screws to sink into a countersunk clamping material resulting in a flush mount. The low profile is used for conveyor belt systems.

Flat Head Socket Screw – Alloy Steel and Stainless Steel

  • Flat countersunk head ensures a flush surface
  • Flush mount fits within countersunk hole
  • Use in conveyor belt systems
  • Size range #4 to 1”
  • Meets ASME B18.3 standards

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