Internal Tooth, Nylon Washers, Plain Washer, Full Washers, Form A
TPE, 301 Stainless Steel, Nylon, Stainless Steel, Brass
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 12.5 mm, 2.2 mm, 5.3 mm, 6.5 mm
0.28 mm, 0.7 mm, 8.1 mm, 1.2 mm, 1.5 mm
M4, M3 (Form A), M20, M6, M5 (Form A)
DIN 7980, BS 4320G, DIN 127B, ASME B18.22.1
ASTM F844, BS 4320B