Metric Coarse M 20 X 2.5 20 Mm Hand Taps Serial Form
- Condition: New
Seller notes
Metric Coarse M 20 x 2.5 20 mm Hand Taps Serial Form Taps are to din 352 HSS-G Tolerance ISO2/6H This form of Hand Tap consists of 3 taps for Metric Coarse threads made up of a Roughing Tap a Mid Rougher and a Finishing tap (see below for more information). This form of tap is ideal for tougher materials because the thread is formed in stages as opposed to NON serial taps which form the thread in one pass and use the conventional Taper Second and plug. The roughing tap which takes...
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