HSS-E Machine tap, Trapezium (TR), gun
HSS-E Machine taps, for trapezium threads up to 1xD,
long 20-24 threads lead chamfer, uncoated.
For threads with 7H tolerance, large clearance threads.
For through holes only.
For tapping of through holes in (alloyed) steels with tensile strength < 700 N/mm².
Material groups : 1.1 - 1.2 - 1.3
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