4-cutter hammer drill bits with dynamic drill bit, and unique cutting geometry. Specially developed strong head geometry with optimal 4x 90° symmetry of the hard metal cut with up to 50% more hard metal content. The centring tip has a 130 ° point angle. Optimized spiral core strength, 4 evenly working spiral back provide smoothness and low spiral wear.
Price: 95.99 from Conrad Electronic
Stockist | Price | |
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Conrad Electronic | 95.99 | Visit Store |