Tapping screw, cylinder head

DIN 7971 A2 stainless steel, shape C

DIN 7971 steel zinc plated shape F

DIN 7971 nickel-plated steel, shape C

DIN 7971, Stahl vernickelt (E2J), Form C

DIN 7971 steel zinc plated shape C

WN 4762 steel zinc plated hexagon socket shape C

ISO 4762-compliant head shape, galvanised steel, blue passivated (A2K)

DIN 7971 nickel-plated steel, shape F

DIN 7971, Stahl vernickelt (E2J), Form F

DIN 7971 steel zinc plated yellow shape C

WN 4762 stainless steel A2 HEXSKT shape C

Head shape in accordance with ISO 4762 stainless steel A2 plain

WN 4762 stainless steel A4, HEXSKT, shape C

Head shape in accordance with ISO 4762 stainless steel A2 plain