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Product specifications
| Product name | 38mm button bits with 7 buttons |
| Material | YG6 carbide tips and 42 CrMo steel |
| Air hole No. | 3 pieces |
| Gauge size | 5×φ7 |
| Front size | 2×φ7 |
| Drill bit diameter | 38mm |
| Connection drill rod | B22 |
| Drill bit height | 65mm |
| Drill bit weight | About 0.4 kg |
| Taper degree | 7°, 11° |
| Packaging | Wooden box, 50 pieces are in one box |
| Delivery | 1-5 days for sample, 1-15 days for batch products |
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