Hex socket head cap screw P=2(Coarse Stainless steel Unplated 8 X 20 Pitch 1.25

※For countersunk screws, the length includes the head (overall length).

• Hex socket head cap screw P=2 Coarse pitch
• P=2 (With spring washer)
• Nominal thread diameter M8
• Length under head (L) 20.0
• Pitch 1.25
• Head diameter (dk) Nominal 13 Max 13.27 Min 12.73
• Head height (k) Nominal 8 Min 7.64
• Hex socket width across flats (s) Nominal 6 Max 6.14 Min 6.02
• Hex socket depth (t) Min 4
• Spring washer outer diameter (ΦD) 14.3
• Spring washer width x thickness (bxt) 3.2 x 2.0
• Incomplete thread section Max 6.1
• Partial thread range L55 or more
• Partial thread thread length 40-44
• ※Full thread thread length = L dimension - Incomplete thread length