Name: Cross Tip Hammer Drill Bits
Feature: Type A: Automatically soldering & gas quenching new technology imported from Germany;
CNC machine flutes milling;
New developed grade TCTs;
Type B: Manual brazing & Salt bath quenching for case hardening
Index: High quality wear-resistant Chrome steel;
surface Hardness HRC 47±3;
tip hardness over HRA 89;
Dia range 3-40mm, overall length 90-1200mm, working length 60mm less than overall length,
we can also make them specially for the individual working lenght.
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