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JIUWU 1/4" Hex Shank Combination Drill and Tap Set, Spiral Thread Taper Composite Drilling Screw Tapping Tool Set Kit Hand Tool M3-M10
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About JIUWU 1/4" Hex Shank Combination Drill And Tap
* Material: High speed steel(Titanium coated ) * Color: Gold * Shank Dia:6.35mm 1/4 Hex Shank, Thread Size: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm * Deburr/countersink also provided on bit beyond back taper. * Metric M3,M4,M5,M6,M8,M10 thread countersink screws can be tapped with this drill and tap set * Complete hole drilling, tapping, deburring and countersinking in one operation with power drill saves labor and time * Multicoated optics guarantee superior light transmission and brightness deal for auto repair and machinery where metric threads are specified,Suitable for soft tapping met * Note: * When you use this drill bits, the material temperature will get very high, please add some water or coolant to avoid the material get smoke when using it. * Package include: * 6pcs Combination Drill and Tap Set
