NEWACALOX 6Pcs/set M3 M4 M5 M6 M8 M10 Metric Composite Tap Drill Bit Tap 1/4'' Hex HSS High Speed Steel Thread Spiral Screw NEWACALOX 6Pcs/set M3 M4 M5 M6 M8 M10 Metric Composite Tap Drill Bit Tap 1/4'' Hex HSS High Speed Steel Thread Spiral Screw. Sale price : $13.19 Category : Tools