Mil-Spec, SAE, Standard, USS, Oversized
Titanium, Alloy Steel, Stainless Steel, Steel, Nylon
45 mm, 19 mm, 26 mm, 5 1/2", 3 3/4"
0.172", 1.188", 1.313", 1.063", 0.313"
1.45 mm, 5.8 mm, 0.28 mm, 0.7 mm, 1.5 mm
BS 4463, DIN 125A, DIN 7980, BS 4320G, BS 4320B