DIN 127 M4 split spring lock washer

DIN127

Use it

(import "parts/fastener/DIN127-M4.ik" as p)

In a design on ink: ask your agent for it by name, or by what it must be.

Dimensions

metallic1
roughness0.25
external-radial-allowance0.03
internal-radial-allowance0.04
face-chamfer0.1
runout0.7

Frame of reference

unloaded low end bottom z=0; rise CCW about +z; slit centred on +x

All 14 numbers in its record
density-g-mm30.00785
color0.69, 0.72, 0.76
metallic1
roughness0.25
external-radial-allowance0.03
internal-radial-allowance0.04
face-chamfer0.1
runout0.7
tip-chamfer0.28
head-chamfer0.21
socket-entry0.04
underhead-radius0.2
button-rim-height0.25
button-top-radius1.6