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Description
Technical data Ø15 mm metal drill bits
| Technical data | |
|---|---|
| Working diameter of drill d | Ø15 mm |
| Straight shank diameter | 13.0 mm |
| Overall length l1 | 169 mm |
| Flute length l2 | 114 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 Ø15 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 | 297 | 48 |
| KCast iron | 10-18 | 0.16 | 212 | 34 |
May be useful
Cutting parameters calculator
15 mm reduced shank HSS DIN 338 metal drill bit – a tool compliant with the industrial standard
Professional extra-long drill Ø15 mm HSS drill compliant with DIN 338 with a reduced shank is a tool that provides predictable performance across various applications. The shank, reduced to a diameter of 13 mm, allows direct mounting in standard industrial tool holders. DIN 338 specifies precise requirements for tool geometry and material properties.
Specifications of the 15 mm Varel drill according to DIN 338
- DIN 338 standard – 118° point angle and helical flute geometry compliant with the industrial standard
- Shank reduced to 13 mm – trouble-free mounting in drill presses and magnetic drilling machines without sleeves
- 118° point angle according to the standard – a universal value that ensures efficient cutting in a variety of metallic materials
- Precision grinding – ensures sharp cutting edges and high-quality holes
- High-speed steel (HSS) according to DIN 338 – a material with properties that ensure durability in machining
- Quality brand Varel – a tool manufacturer for the mechanical engineering industry
DIN 338 guarantees consistent specifications across products from different manufacturers. Reducing the shank to 13 mm is a practical solution that allows use on standard machines without investing in additional mounting accessories.
Frequently asked questions
DIN 338 precisely specifies the 118° point angle, dimensions, helix geometry, and material requirements for HSS. This ensures predictable performance and interchangeability of tools that comply with the standard.
Using a cutting fluid for cooling and lubrication is strongly recommended for diameters of 15 mm and above. Proper cooling significantly extends drill life and improves the surface finish and dimensional accuracy of holes.
For mild structural steels, we recommend a range of 290-390 rpm; for harder steels, 245-325 rpm. Selecting the correct speed ensures efficient cutting without excessive tool heating.
Product accessories
Metal drill bit 15 long 220/144 HSS DIN 340
Reference: 0262 In stock > 10 items
€8.68
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Tapered countersink 20.5/90 DIN 335 C HSS
Reference: 11248 In stock > 10 items
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14.5 mm HSS DIN 338 fluted metal drill bit
Reference: 926019 In stock < 10 items
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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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