• Metal tapping screw thread Ø 3.9 mm
• Countersunk head 90°, cross recess PH2
• Head diameter depending on length:
Ø 7.4 mm (l = 16-22 mm)
Ø 7.1 mm (l = 25-45 mm)
• Surface coated "Top Silver 800", corrosion protection,
1000 hours until red rust formation
according to DIN/EN ISO 9227
• Roller sorted, for steel reinforcement up to 3.5 mm
heicko e-ast gmbh • Käthe-Kollwitz-Str. 15 • D-51545 Waldbröl • phone: 0 22 91 - 90 84 19 • fax.: 0 22 91 - 90 84 50
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