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8648GR
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Prod. SCU
STEP DRILLS FOR METALS, RIGHT-HAND ROTATION
twist drills with step tip, right hand cutting
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DIN 338. Milled type in HSS SUPER-RAPID steel, with TIN coated head. SHORT model, with step geometry of the drill (from Ø 2.5 mm).
To create precise and perfectly spherical through holes more quickly. Self-centering: pre-drilling and punching operations are avoided. It is possible to drill holes in an inclined position and to widen holes quickly.
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For steel, non-ferrous metals, plastics, Plexiglas, cast iron and hard woods.
Cylindrical shank with 3 flats (from Ø 4 mm) for a better seal in the chuck.
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With stepped geometry of Ø 2.5 mm.
With 3-crossarms shank of Ø 4 mm.
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 Add to Cart
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Note | Cod. Art. | Cad. | Cod. Prod. | Ø
mm | Overall length
mm | Helix length
mm | Peso Art | QTAMIN |
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(*)
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| 8648GR 1 | € 0 | | 1 | 34 | 12 | 0.002 | 0 |
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| 8648GR 1.5 | € 0 | | 1,5 | 40 | 18 | 0.002 | 0 |
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| 8648GR 2 | € 0 | | 2 | 49 | 24 | 0.002 | 0 |
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| 8648GR 2.5 | € 0 | | 2,5 | 57 | 30 | 0.002 | 0 |
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| 8648GR 3 | € 0 | | 3 | 61 | 33 | 0.003 | 0 |
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| 8648GR 3.3 | € 0 | | 3,3 | 65 | 36 | 0.004 | 0 |
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| 8648GR 3.5 | € 0 | | 3,5 | 70 | 39 | 0.004 | 0 |
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| 8648GR 4 | € 0 | | 4 | 75 | 43 | 0.005 | 0 |
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| 8648GR 4.2 | € 0 | | 4,2 | 75 | 43 | 0.006 | 0 |
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| 8648GR 4.5 | € 0 | | 4,5 | 80 | 47 | 0.007 | 0 |
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| 8648GR 5 | € 0 | | 5 | 86 | 52 | 0.008 | 0 |
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| 8648GR 5.5 | € 0 | | 5,5 | 93 | 57 | 0.008 | 0 |
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| 8648GR 6 | € 0 | | 6 | 93 | 57 | 0.009 | 0 |
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| 8648GR 6.5 | € 0 | | 6,5 | 101 | 63 | 0.015 | 0 |
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| 8648GR 6.8 | € 0 | | 6,8 | 109 | 69 | 0.019 | 0 |
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| 8648GR 7 | € 0 | | 7 | 109 | 69 | 0.021 | 0 |
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| 8648GR 7.5 | € 0 | | 7,5 | 109 | 69 | 0.027 | 0 |
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| 8648GR 8 | € 0 | | 8 | 117 | 75 | 0.033 | 0 |
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| 8648GR 8.5 | € 0 | | 8,5 | 117 | 75 | 0.039 | 0 |
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| 8648GR 9 | € 0 | | 9 | 125 | 81 | 0.045 | 0 |
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| 8648GR 9.5 | € 0 | | 9,5 | 125 | 81 | 0.057 | 0 |
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| 8648GR 10 | € 0 | | 10 | 133 | 87 | 0.067 | 0 |
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| 8648GR 10.2 | € 0 | | 10,2 | 133 | 87 | 0.087 | 0 |
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| 8648GR 10.5 | € 0 | | 10,5 | 133 | 87 | 0.117 | 0 |
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| 8648GR 11 | € 0 | | 11 | 142 | 94 | 0.147 | 0 |
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| 8648GR 11.5 | € 0 | | 11,5 | 142 | 94 | 0.155 | 0 |
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| 8648GR 12 | € 0 | | 12 | 151 | 101 | 0.17 | 0 |
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| 8648GR 12.5 | € 0 | | 12,5 | 151 | 101 | 0.19 | 0 |
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| 8648GR 13 | € 0 | | 13 | 151 | 101 | 0.237 | 0 |
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