42 ECONOMY TEK SCREWS ECONOMY RANGE Timber Tek Zinc Designed For: Fixing timber or composites to steel where a high end corrosion resistant coating is not required Head Style: Countersunk or countersunk with nibs* Drive: Phillips 2/3 Thread Form: Twin, coarse thread (Tek 3) / fine thread (Tek 5) Material Grade: AISI C1022 Shank Material: Carbon steel Drilling Capacity: 1.2mm - 3.5mm (Tek 3) / 4.0mm - 12.00mm (Tek 5) Recommended Drill Speed: 1,500 - 2,500 RPM ✓ Zinc Coating ✓ Super hard, super sharp drill tips ensure fast drill times ✓ Countersinking nibs under head provide flush finish in fixture ✓ Precision formed concave fluting ensures speedy chip removal ✓ Aggressive thread form design ensures consistent tapping and superb holding Code Size Steel Thickness Box Carton Zinc Coating ZWD38-3 4.2 x 38mm 1.2 - 3.5 mm 200 4,800 ✓ ZWD4838-3 4.8 x 38mm 1.2 - 3.5 mm 200 2,800 ✓ ZWD50-3 4.8 x 50mm 1.2 - 3.5 mm 200 2,800 ✓ ZWD62-3 5.5 x 62mm 1.2 - 3.5 mm 200 2,800 ✓ ZWD80-3 5.5 x 80mm 1.2 - 3.5 mm 100 1,400 ✓ ZWD65-5 5.5 x 65mm 4 - 12.5 mm 200 2,800 ✓ ZWD85-5 5.5 x 85mm 4 - 12.5 mm 100 1,400 ✓ EUROPA EN 14566 2002/95/EC