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Description
Technical data Ø18 mm metal drill bits
| Technical data | |
|---|---|
| Working diameter of drill d | Ø18 mm |
| Overall length l1 | 191 mm |
| Flute length l2 | 130 mm |
| Shank diameter d1 | 13 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 Ø18 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 | 0.2 | 248 | 50 |
| KCast iron | 10-18 | 0.2 | 177 | 35 |
May be useful
Cutting parameters calculator
18 mm reduced-shank HSS DIN 338 metal drill bit – proven workshop tool
Versatile Ø18 mm HSS drill conforming to DIN 338 with a reduced shank provides an optimal solution for demanding machining processes. The shank, reduced to a diameter of 13 mm, allows direct mounting in common industrial tool holders. DIN 338 ensures precisely defined design parameters, guaranteeing repeatable machining results.
Technical specifications of the Varel 18 mm DIN 338 drill
- DIN 338 certification – standardized 118° point angle and helix geometry conforming to the European standard
- Shank reduced to 13 mm – immediate compatibility with industrial and magnetic drilling machines without adapters
- Standard 118° point angle – a value specified by DIN 338, optimal for a wide range of metallic materials
- High-precision grinding – ensures sharp cutting edges and dimensional accuracy of the drilled holes
- HSS material conforming to DIN 338 – high-speed steel (HSS) with properties that ensure long service life
- Varel brand tool – a tool manufacturer for the mechanical engineering industry
Applying DIN 338 ensures dimensional and quality compliance with industrial requirements. The shank reduced to 13 mm is a practical solution for facilities with standard machinery, eliminating expenditure on specialized adapters.
Frequently asked questions
DIN 338 defines the 118° point angle, helical flute geometry and HSS material requirements. These parameters ensure predictable tool performance under various machining conditions for structural metals.
The use of cutting fluid is highly recommended for diameters above 15 mm. Proper cooling significantly extends drill life and improves surface quality and dimensional accuracy of the holes.
For mild structural steels, we recommend a range of 245-330 rpm, and for harder steels, 205-270 rpm. Selecting the correct speed ensures efficient cutting without overheating the tool.
Product accessories
Metal drill bit 18 long 241/158 HSS DIN 340
Reference: 0271 In stock > 10 items
€15.79
€19.42 brutto
20 mm HSS DIN 338 fluted metal drill bit
Reference: 069085 In stock > 10 items
€8.42
€10.36 brutto
Tapered countersink 20.5/90 DIN 335 C HSS
Reference: 11248 In stock > 10 items
€14.47
€17.80 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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