Standard : ISO, ANSI, BS, DIN, JIS, Drawing, Sample
Type : Plain Washer, Spring Washer, Square Washer, Tooth Washer, Wave Washer, etc.
Material : M.S., S.S., Brass, Copper, Aluminium, etc.
Size : 1/8" to 1/2" BSW BSF, M3 to M12 Metric, 1/4" to 1/2" UNC UNF