are used to hold a round button during the process of cutting (or chasing) an external thread
The result is increased tool life
48 intermediate lead taps and 48 button dies
7/16" Hex Shank Quick Change Mandrel
Saber S4 Tap and Die Set - Metric + 1/8" NPT are used to hold aSaber 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.