The hole is then started using the centre drill
Hole Enlarger
The design of the cutting portion propels the swarf ahead of the tap leaving the flutes clear for the flow of coolant to the cutting teeth
PLASTICS AND TIMBER
The result is increased tool life
Saber S4 Tap and Die Set - Metric + 1/8" NPT The hole is then startedSaber S4 Tap and Die Set Metric + 1 8" NPT Saber S4 Tap and Die Set Metric + 1 8" NPT Tungsten steel taps and dies. Create new threads in aluminium and mild steel. 17 intermediate lead taps and 17 button dies. 3x0. 5, 3X0. 6, 4x0. 7, 4X0. 75, 5x0. 8, 5X0. 9, 6x1. 0, 6X0. 75, 7x1. 0, 7X0. 75, 8x1. 0, 8x1. 25, 10x1. 25, 10x1. 5, 12X1. 5, 12x1. 75. NPT1 8"x27 1 X Screw Pitch Gauge. 1 X Die Holder. 2 X Tap Wrenches. 1 X Screwdriver.