M5 x 16 mm Button Head Screw Allen Key Screw Socket Bolt Stainless Steel A2
M5x16mm Button Head Allen Key Screw Socket Screw. Allen Key Size (S) 3 mm. Pitch(P) 0.8 mm. Socket Depth (SD) 1.56 mm. Stainless Steel A2-70 (304). Material Stainless Steel. Head Thickness (T) 2.75 mm.