NEW STRONG Spherical Washer for 20mm

[Features]
Even if the clamp is inclined, it can be tightened with a nut.

[Use]
Buffering of clamps and nuts.

【specification】
Applicable bolt: M20
Outer diameter (mm): 40
Inner diameter (mm): 21
Height (mm): 12.0

[Specification 2]
-

[Material/Finish]
Steel (S45C)
Treatment: Quenching (HRC30-35), black oxide finish

[Set contents/accessories]
-

【Note】
If the opponent hits is black leather, it will be scratched.
Set between the clamp and the nut.