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Point-to-cross sharpening : thinning of the drill tip.
TiAIN coating : TiAlN base, 2/4µm thickness, 3000HV hardness, 0.4 friction factor, heat resistance 900°C. Protects from abrasion, oxidation, adhesion.
3 flats shank : cylindrical shank with 3 flats at 120° for 3-jaw drill chuck.
High-speed steel : HSS substrate.
Reference | Largest drill diameter in mm | Multiple Sales Quantity | Total lenght | Smallest drill diameter in mm | Trimmed lenght | Shank diameter in mm | |
---|---|---|---|---|---|---|---|
11438720412 | 12 | 1 | 65 | 4 | 42 | 6 | See file card |
11438720420 | 20 | 1 | 75 | 4 | 52 | 8 | See file card |
11438720430 | 30 | 1 | 100 | 4 | 77 | 10 | See file card |
11438720637 | 37 | 1 | 100 | 6 | 77 | 10 | See file card |