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Grade 5 UNC HighTensile
7/8" x 68mm
Diameter: 10
They simply transfer the centre-point of a hole to another workpiece by the use of the cone and then tapping the transfer centre punch
1/2" BSPF HSS Taper Hand Tap Sutton Set M6x90 ZP Grade 5 UNC HighTensileDescription Parallel (straight) thread, British Standard Pipe Parallel thread BSP; originally also known as British Standard Pipe Fitting thread BSPF which have a constant diameter. For producing precision threads by hand tapping, for starting threads either second or bottoming taps should used after to achieve desire thread depth. General purpose use Suitable for materials up to 1000N mm2 Through & blind holes Suitable for both hand and machine
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