VOLKEL STI Hand Tap ISO 529 HSS-G
Application:
for general use
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non abrasive material up to 900 N/mm²
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unalloyed and low alloyed steel
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for thread cutting by hand and machine
Type of thread Unified thread Standard ISO 529 Material HSS-G Tolerance 3B Size UN 1.1/8 x 8 Overall length (L1) 151 mm Thread length (L2) 51 mm Core hole diameter (D1) 28.75 mm Shank diameter (D2) 22.4 mm Diameter (B) 1.1/4 mm Drive connector 18.0 mm