(-)Flat head machine screw(Coarse Steel Unplated 8 X 20 Pitch 1.25

(ー)平小ねじ(並目
The head of a round machine screw is nearly hemispherical in shape, similar to today's truss head machine screw. The flat head machine screw has a low-profile cylindrical head. It was commonly manufactured in the past due to its simple production method.
Machine Screw Head Dimensions List Encyclopedia of Round & Flat Head Machine Screws

Product Details

(ー)平小ねじ(並目
  • Slotted (-) flat head machine screw, coarse pitch
  • Nominal thread diameter (d): M8
  • Length under head (ℓ): 20.0
  • Pitch (P): 1.25
  • Head diameter (dk): Nominal 14.0, Tolerance 0,-0.8
  • Head height (k): Nominal 5.2, Tolerance +0.2
  • Slot width (n): Reference 1.6
  • Slot depth (t): Reference 2.8

(-)Flat head machine screw(Coarse Steel Unplated 8 X 20 Pitch 1.25

Steel Unplated 8 X 20 Individual sale View Details

(-)Flat head machine screw(Coarse Steel Unplated 8 X 20 Pitch 1.25 - Surface Finish Variants

Material Surface Treatment Size Individual Sale View Details
Steel Zinc plated(Silver) 8 X 20 Individual sale View Details
Steel Chromate(Ochre) 8 X 20 Individual sale View Details
Steel Trivalent white(Silver) 8 X 20 Individual sale View Details
Steel Trivalent black(Black) 8 X 20 Individual sale View Details
Steel BC(Black) 8 X 20 Individual sale View Details