Round Washer
[JIS B1256]

Material
Steel/Zinc 3Cr, Plated
Steel/Zinc Black 3Cr, Plated
Stainless Steel A2
SUS 316L(Stainless Steel A4)
SUS 310S(Stainless Steel)
Titan

Spring Washer
[JIS B1251 Appendix]

Material
Steel/Zinc 3Cr, Plated
Steel/Zinc Black 3Cr, Plated
Stainless Steel A2
SUS 316L(Stainless Steel A4)
Titan
DISGO

Toothead Lock Washers A type
[JIS B1251 Appendix]

Material
Steel/Zinc 3Cr, Plated
Stainless Steel A2

Toothead Lock Washers B type
[JIS B1251 Appendix]

Material
Steel/Zinc 3Cr, Plated
Stainless Steel A2

5° Taper Washer

Material
Steel/Zinc 3Cr, Plated
Steel/Zinc Black 3Cr, Plated
Stainless Steel A2