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12.1 mm HSS DIN 338 metal drill bit
0143
Diameter (mm): 12,1178 sizes of this drill
0,30,40,420,50,60,70,80,911,11,21,251,31,351,41,451,51,61,71,81,922,12,22,32,42,52,62,72,752,82,933,13,23,33,43,53,63,73,83,944,14,24,34,44,54,64,74,754,84,955,15,25,35,45,55,65,75,755,85,966,16,26,36,46,56,66,76,86,977,17,27,37,47,57,67,77,757,87,988,18,28,38,48,58,68,78,758,88,999,19,29,259,39,49,59,69,79,759,89,91010,110,210,310,410,510,610,710,7510,810,91111,111,211,2511,311,411,511,611,711,811,91212,112,212,312,412,512,612,712,7512,812,91313,213,313,413,513,613,713,91414,214,314,414,514,614,7514,81515,2515,515,751616,2516,316,516,751717,2517,517,751818,2518,518,751919,2519,520
€4.53 tax inc.
Net price: €3.68
Description
Technical data Ø12.1 metal drill bit
| Technical data | |
|---|---|
| Working diameter of drill d | Ø12.1 mm |
| Overall length l1 | 151 mm |
| Flute length l2 | 101 mm |
- Drill bit manufactured according to DIN-338
- Suitable for drilling materials up to 35 HRC
- 118° point angle suited to drilling steel and cast steel
- Made from the finest grade of high-speed steel (HSS)
- Produces a hole with an h8 tolerance
- Low hole surface roughness
Cutting data for the Ø12.1 mm HSS NWKa drill bit
| Material | Cutting speed Vc [m/min] | Feed per revolution f [mm] | Spindle speed n [rpm] | Total feed rate [mm/min] |
|---|---|---|---|---|
| PSteel | 14-25 | 0.16 | 368 | 59 |
| KCast iron | 10-18 | 0.16 | 263 | 42 |
May be useful
Cutting parameters calculator
Ø12.1 metal drill bit with a straight shank.
12.1 mm metal drill bit HSS. High-quality professional twist drill with a straight shank, manufactured to dimensional standard NWKa DIN 338. It has 2 central cutting edges and flutes that provide effective chip evacuation up the hole. The cutting edge angle is 118°, and the drilled holes remain aligned along their entire length. A key feature of our drills is their construction from specialized high-speed steel (HSS). This material, combined with the specific drill geometry, significantly improves cutting capabilities. Above all, our straight-shank drills withstand demanding cutting conditions and offer greater hardness and wear resistance at high temperatures. They can drill at very high speeds in materials classified as P1.2 – P1.3. 12.1 metal drill bit mm is recommended for conventional drilling machines, milling machines, and lathes, as well as CNC machine tools.
Product accessories
Tapered countersink 16.5/90 DIN 335 C HSS
Reference: 11247 In stock > 10 items
€9.74
€11.98 brutto
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Shipping
All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE
| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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