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Product Name | DIN338 left-hand straight shank twist drill |
Features | 1.The large increment of drill body makes the product not easy to break, |
2.The shape of drill body is better.The hole with thick core is easier | |
3.Quenching temperature within 5 degrees temperature control, more stable quality;Morequenching toughness is better. | |
4.The material contains cobalt so the thermal hardness can be better. |
D | L1 | L2 | D | L1 | L2 |
0.2 | 19 | 2.5 | 4.2 | 80 | 47 |
0.25 | 19 | 3 | 4.3 | 80 | 47 |
0.3 | 19 | 3 | 4.4 | 80 | 47 |
0.35 | 19 | 4 | 4.5 | 80 | 47 |
0.4 | 20 | 5 | 4.6 | 80 | 47 |
0.45 | 20 | 5 | 4.7 | 86 | 52 |
0.5 | 22 | 6 | 4.8 | 86 | 52 |
0.55 | 24 | 7 | 4.9 | 86 | 52 |
0.6 | 24 | 7 | 5 | 86 | 52 |
0.65 | 26 | 8 | 5.1 | 86 | 52 |
0.7 | 28 | 9 | 5.2 | 93 | 52 |
0.75 | 28 | 9 | 5.3 | 93 | 52 |
0.8 | 30 | 10 | 5.4 | 93 | 57 |
0.85 | 30 | 10 | 5.5 | 93 | 57 |
0.9 | 32 | 11 | 5.6 | 93 | 57 |
0.95 | 32 | 11 | 5.7 | 93 | 57 |
1 | 34 | 12 | 5.8 | 93 | 57 |
1.05 | 34 | 12 | 5.9 | 93 | 57 |
1.1 | 36 | 14 | 6 | 93 | 57 |
1.15 | 36 | 14 | 6.1 | 101 | 63 |
1.2 | 38 | 16 | 6.2 | 101 | 63 |
1.25 | 38 | 16 | 6.3 | 101 | 63 |
1.3 | 38 | 16 | 6.4 | 101 | 63 |
1.35 | 40 | 18 | 6.5 | 101 | 63 |
1.4 | 40 | 18 | 6.6 | 101 | 63 |
1.45 | 40 | 18 | 6.7 | 101 | 63 |
1.5 | 40 | 18 | 6.8 | 109 | 69 |
1.55 | 43 | 20 | 6.9 | 109 | 69 |
1.6 | 43 | 20 | 7 | 109 | 69 |
1.65 | 43 | 20 | 7.1 | 109 | 69 |
1.7 | 43 | 20 | 7.2 | 109 | 69 |
1.75 | 46 | 22 | 7.3 | 109 | 69 |
1.8 | 46 | 22 | 7.4 | 109 | 69 |
1.85 | 46 | 22 | 7.5 | 109 | 69 |
1.9 | 46 | 22 | 7.6 | 117 | 75 |
1.95 | 49 | 24 | 7.7 | 117 | 75 |
2 | 49 | 24 | 7.8 | 117 | 75 |
2.05 | 49 | 24 | 7.9 | 117 | 75 |
2.1 | 49 | 24 | 8 | 117 | 75 |
2.15 | 53 | 27 | 8.1 | 117 | 75 |
2.2 | 53 | 27 | 8.2 | 117 | 75 |
2.25 | 53 | 27 | 8.3 | 117 | 75 |
2.3 | 53 | 27 | 8.4 | 117 | 75 |
2.35 | 53 | 27 | 8.5 | 117 | 75 |
2.4 | 57 | 30 | 8.6 | 125 | 81 |
2.45 | 57 | 30 | 8.7 | 125 | 81 |
2.5 | 57 | 30 | 8.8 | 125 | 81 |
2.55 | 57 | 30 | 8.9 | 125 | 81 |
2.6 | 57 | 30 | 9 | 125 | 81 |
2.65 | 57 | 30 | 9.1 | 125 | 81 |
2.7 | 61 | 33 | 9.2 | 125 | 81 |
2.75 | 61 | 33 | 9.3 | 125 | 81 |
2.8 | 61 | 33 | 9.4 | 125 | 81 |
2.85 | 61 | 33 | 9.5 | 125 | 81 |
2.9 | 61 | 33 | 9.6 | 133 | 87 |
2.95 | 61 | 33 | 9.7 | 133 | 87 |
3 | 61 | 33 | 9.8 | 133 | 87 |
3.1 | 65 | 36 | 9.9 | 133 | 87 |
3.2 | 65 | 36 | 10 | 133 | 87 |
3.3 | 65 | 36 | 10.1 | 133 | 87 |
3.4 | 70 | 39 | 10.2 | 133 | 87 |
3.5 | 70 | 39 | 10.3 | 133 | 87 |
3.6 | 70 | 39 | 10.4 | 133 | 87 |
3.7 | 75 | 43 | 10.5 | 133 | 87 |
3.8 | 75 | 43 | 10.6 | 133 | 87 |
3.9 | 75 | 43 | 10.7 | 142 | 94 |
4 | 75 | 43 | 10.8 | 142 | 94 |
4.1 | 75 | 43 |
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