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.
SPECIFICATIONS:
- Size: 22 x 520 mm
- Brand: Makita
- Item dimensions L x W x H: 30 x 20 x 15 centimetres
- Item weight: 0.66 Kilograms
- Diameter: 22mm
- Tool fixture: sds-max
- Material: steel
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