Hammer head screws as per drawing in attachment Stainless steel A4 (1.4401 oder 1.4571) M10 x30 D=M10 L=30mm (thread lenght minimum 20mm) H=4mm L1=24-25mm B=N=12,5 up to 12,7 mm Height head=max. 8mm 2 rounded edges at the head Quantity: 10.000 pcs.