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Self tapping screw with pan head

• Pozi pan head, BS4174 (similar DIN7981, ISO7049)
• Slotted Panhead, BS4174 (similar DIN7971, ISO1481)
  • No. 2 Major thread diameter: 2.2 mm (measured externally), thread pitch: 32 TPI (0.79 mm), head diameter: approx. 4.2 mm
  • No. 4 Major thread diameter: 2.9 mm (measured externally), thread pitch: 24 TPI (1.06 mm), head diameter: approx. 5.6 mm
  • No. 6 Major thread diameter: 3.5 mm (measured externally), thread pitch: 20 TPI (1.27 mm), head diameter: approx. 6.9 mm
  • No. 8 Major thread diameter: 4.2 mm (measured externally), thread pitch: 18 TPI (1.41 mm), head diameter: approx. 8.2 mm
  • No. 10 Major thread diameter: 4.8 mm (measured externally), thread pitch: 16 TPI (1.59 mm), head diameter: approx. 9.5 mm
  • No. 12 Major thread diameter: 5.5 mm (measured externally), thread pitch: 14 TPI (1.81 mm), head diameter: approx. 10.8 mm
  • No. 14 Major thread diameter: 6,3 mm (measured externally), thread pitch: 14 TPI (1.81 mm), head diameter: approx. 12.5 mm