DIN 912 socket-head cap screw with cylindrical head in electro-galvanised FZB steel, grade 8.8. Socket screws CH FZB (Fortification / Screws with inner hexagon / Cylindrical head socket screws CH). Principal data: thread diameter M4, length 16 mm, indicative pack size 500 pcs, nominal thread length 16 mm, metric thread pitch 0.7 mm, head diameter 7 mm, wrench width 3 mm. No REACH SVHC substances above 0.1 percent. Supplied under manufacturer part number 88912040162, EAN 5711160211179, HS code 7318.15, country of origin Taiwan.