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Description
Technical data Ø19.5 mm metal drill bits
| Technical data | |
|---|---|
| Working diameter of drill d | Ø19.5 mm |
| Shank diameter d1 | 13 mm |
| Overall length l1 | 198 mm |
| Flute length l2 | 135 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 Ø19.5 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 | 229 | 46 |
| KCast iron | 10-18 | 0.2 | 163 | 33 |
May be useful
Cutting parameters calculator
19.5 mm reduced-shank HSS DIN 338 metal drill bit – a precision industrial tool
Professional extra-long drill Ø19.5 mm HSS drill bit conforming to DIN 338 with a reduced shank combines standardization with practical mounting. The shank, reduced to a diameter of 13 mm, allows direct installation in standard drill chucks. The DIN 338 standard defines precise tool geometry parameters, ensuring repeatable results across various industrial applications.
Features of the Varel 19.5 mm DIN 338 drill bit
- DIN 338 standard – the standardized 118° point angle and helix geometry ensure versatility
- Shank reduced to 13 mm – allows immediate mounting in industrial drilling machines without additional adapters
- General-purpose 118° point angle – a parameter defined by the standard, optimal for a wide range of structural materials
- Precision grinding – ensures high-quality cutting edges and accurate holes
- High-speed steel (HSS) according to DIN 338 – a material with properties that ensure long tool life in metalworking
- Quality brand Varel – a manufacturer of tools that comply with industrial standards
Compliance with DIN 338 ensures dimensional and functional compatibility with other tools made to this standard. Reducing the shank to 13 mm is a practical solution for facilities equipped with standard drilling machines, eliminating the need to purchase specialized chucks.
Frequently asked questions
The DIN 338 standard ensures standardized dimensions, point angle, and helix, guaranteeing interchangeability between manufacturers. Users can expect predictable operating parameters regardless of where the tool is purchased.
For diameters close to 20 mm, using coolant is highly recommended. Proper lubrication significantly extends drill bit life and improves the surface finish of the holes produced.
For mild structural steels, we recommend a range of 225-305 rpm; for higher-strength steels, 185-245 rpm. The correct speed ensures optimal cutting conditions and long tool life.
Product accessories
Metal drill bit 19.5 long 254/166 HSS DIN 340
Reference: 0276 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
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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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