HRC 50 Tungsten Carbide Twist Drills with Good Longevity
Product Description
Details
| d1 | d2 | L1 | L2 | L3 | L4 | Coolant solution | |
| 3.00-3.70 | 6 | 62 | 20 | 14 | 36 | With/Without Inner Coolant | |
| 4.00-4.65 | 6 | 66 | 24 | 17 | 36 | With/Without Inner Coolant | |
| 4.80-6.00 | 6 | 66 | 28 | 20 | 36 | With/Without Inner Coolant | |
| 6.10-7.00 | 8 | 79 | 34 | 24 | 36 | With/Without Inner Coolant | |
| 7.10-8.00 | 8 | 79 | 41 | 29 | 36 | With/Without Inner Coolant | |
| 8.10-10.00 | 10 | 89 | 47 | 35 | 40 | With/Without Inner Coolant | |
| 10.25-12.00 | 12 | 102 | 55 | 40 | 45 | With/Without Inner Coolant | |
| 12.25-14.00 | 14 | 107 | 60 | 43 | 45 | With/Without Inner Coolant | |
| 14.25-16.00 | 16 | 115 | 65 | 45 | 48 | With/Without Inner Coolant | |
| 16.50-18.00 | 18 | 123 | 73 | 51 | 48 | With/Without Inner Coolant | |
| 18.50-20.00 | 20 | 131 | 79 | 55 | 50 | With/Without Inner Coolant | |
1.Super resistance to oxidation of the coating
2.Comparison on abrasion of the top cutting edge after processing 60m
3.Comparison on abrasion of the side cutting edge after processing 60m
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Product Categories : Carbide Twist Drill Bit
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