The images are examples.
ATORN twist drill bit set STEP DRILL type N HSS TiN head 1-13 mm 0.5 and CHD
Brand: ATORN
Surface: Plain
DIN: 338
Art.-no. 11048470
Manufacturer article no. 10487661
EAN 4066107024390
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Application
For use in hand-held drills, designed for use in a large number of applications and for machining a wide range of materials
Execution
- Brand new tip design with stepped geometry and up to six steps
- HSS variant
- TiN coating on head
Advantage
- Very little force needs to be applied
- Circular and burr-free bore holes
- Outstanding centring and drilling
- 3-flat shank ensures perfect power transmission
Notes
Dia. 1-2 mm: without 3-flat shank, no steps; dia. 2.5-3.5 mm: without 3-flat shank, with steps; from dia. 4.0 mm: with 3-flat shank, with steps
Brand | ATORN |
Main EAN Code | 4066107024390 |
Manufacturer Part Number | 10487661 |
Composition of set | 1,0-13,0 |
Pitch of drill diameter | 0.5 mm + core-hole drill |
Number of pieces in assortment/set | 29 PCS |
Surface | Plain |
Surface of the head | TiN |
Cutting material | HSS |
Type | STEP |
DIN | 338 |
Gross Weight | 1.445 kg |
| Material groups for cutting values | Description regarding DIN | Strength Class [N/mm²] | Material No. | Vc [m/min] | f [mm/r] with diameter | Suitability |
|---|---|---|---|---|---|---|
| 1.00 Steels | ||||||
| 1.01 Free machining steel | 9 S 20 | < 900 | 1.0711 | 25-45 | ⚫ | |
| 1.02 Structural steel | ST 37-2 | <500 | 1.0037 | 30-50 | ⚫ | |
| 1.03 Structural steel | ST 60-2 | > 500 | 1.7735 | 25-40 | ⚫ | |
| 1.04 Heat-treated steel | 42 CrMo 4 | <1000 | 1.7225 | 18-22 | ⚫ | |
| 1.05 Cast iron | GS-45 | <1000 | 1.0446 | 18-22 | ⚫ | |
| 1.06 Case-hardened steel | 16 MnCr 5 | <1200 | 1.7131 | 8-23 | ⚫ | |
| 1.07 Ferritic/martensitic stainless steel | X 10 Cr 13 | <1100 | 1.4006 | 6-14 | ||
| 1.08 Heat-treated steel | 43 CrMo 4 | >1000 | 1.3563 | 8-14 | ||
| 1.09 Nitriding steel | 31 CrMoV 9 | <1300 | 1.8519 | 8-14 | ||
| 1.10 Tool steel | X 38 CrMoV 5 1 | <1300 | 1.2343 | 6-10 | ||
| 2.00 Stainless steels | ||||||
| 2.01 Austenitic stainless steel | G-X 2 CrNiMo 18 15 | <1100 | 1.3953 | 8-15 | ||
| 3.00 Non-ferrous metals | ||||||
| 3.01 Long-chipping aluminium | AI99.9 | <500 | 3.0305 | 45-90 | ⚫ | |
| 3.02 Short-chipping aluminium | G-AISi12 | <500 | 3.2581 | 35-60 | ⚫ | |
| 3.03 Copper alloy bronze, long-chipping | CuSn4 | <1200 | 2.1016 | 15-35 | ⚫ | |
| 3.04 Copper alloy bronze, short-chipping | CuNi12Zn24 | <850 | 2.0730 | 25-45 | ⚫ | |
| 3.05 Copper alloy brass, long-chipping | Cu Zn 20 | <600 | 2.0250 | 35-60 | ⚫ | |
| 3.07 Thermoplastic | PVC, Acrylglas | <100 | 25-35 | ⚫ | ||
| 3.07 Thermoplastic | Cu Zn 39 Pb 3 | <600 | 2.0381 | 60-100 | ⚫ | |
| 3.08 Duroplast | Bakelit, Melamin | <150 | 12-25 | ⚫ | ||
| 3.09 Fibre-reinforced plastics | CFK, GFK | <1500 | 10-25 | |||
| 3.10 Graphite | C8000 | <60 | - | |||
| 3.11 Composite materials | - | |||||
| 4.00 Cast metal | ||||||
| 4.01 Grey cast iron | GG10 | <260 HB | 0.6010 | 20-30 | ⚫ | |
| 4.02 Spheroidal graphite iron | GGG 40 | <310 HB | 0.7040 | 20-30 | ⚫ | |
| 4.03 Ductile iron | GTW-55 | <280 HB | 0.8055 | 20-30 | ⚫ | |
| 5.00 Special alloys | ||||||
| 5.01 Titanium alloy | TiAI5Sn2,5 | <1200 | 3.7115 | 5-10 | ||
| 5.02 Nickel-based alloy | NiCr21Mo | <1400 | 2.4858 | 5-10 | ||
| 5.03 Super alloys | X45CrSi 9 3 | <1400 | 1.4718 | 5-10 | ||
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