pan head/csk head/pan pozi head/pan combi pozi head/with 4nibs/no nibs/wing
hardened
zinc plated/yellow plated
SIZE:DIN7504K
          3.5 X 9.5
          12 X 20
          12 X 25
          12 X 65
          12 X 75
          12 X 115
          12 X 125
AND SO ON.....