Uxcell a15123100ux0432 M4 x 8mm Phillips Head Stainless Steel Countersunk Bolts Screws Head style: flat head; material: 304 stainless steel; Package Content: 100(+/-2%) x countersunk bolts Product Name: countersunk bolt; thread size: M4 x 5mm/0.16" x 0.2"(D*l); weight: 83G Drive Type: Philips; main Color: Silver tone; thread Pitch: 0.7mm Total length: 8mm/0.3"(L); Philips size: 4mm/0.16"; head diameter): 7mm/0.28" Head height(k): 3mm/0.12"; thread diameter): M4/4mm