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Description
Technical data Ø18.5 mm metal drill bits
| Technical data | |
|---|---|
| Working diameter of drill d | Ø18.5 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 Ø18.5 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 | 241 | 48 |
| KCast iron | 10-18 | 0.2 | 172 | 34 |
May be useful
Cutting parameters calculator
18.5 mm reduced-shank HSS DIN 338 metal drill bit – a precision tool conforming to the standard
Specialized Ø18.5 mm HSS drill bit meeting DIN 338 requirements with a reduced shank is a tool that combines standardization with functionality. The 13 mm diameter shank allows quick installation in standard drill chucks used in industry. DIN 338 ensures consistent design and material specifications across products from different manufacturers.
Features of the Varel Ø18.5 mm drill bit to DIN 338
- Compliance with DIN 338 – 118° point angle and defined helix geometry according to the European standard
- Shank reduced to 13 mm – ensures compatibility with stationary drilling machines and magnetic drills without intermediate components
- 118° cutting angle – a value specified in DIN 338, suitable for most metalworking applications
- Precision machining of the cutting section – ensures high cutting-edge quality and tool geometric accuracy
- HSS steel to DIN 338 specifications – a material with properties that ensure adequate hardness and heat resistance
- Varel brand product – a manufacturer of industrial tools to European standards
DIN 338 guarantees tool quality and interchangeability in various industrial applications. The shank reduced to 13 mm meets the needs of workshops equipped with standard machines, eliminating the cost of purchasing additional adapters.
Frequently asked questions
DIN 338 defines precise specifications: point angle, dimensions, helix geometry, and material requirements. This assures users of consistent tool properties across different manufacturers that comply with this standard.
Cooling is strongly recommended at diameters above 15 mm for optimal results. Using suitable cutting fluids extends tool life and ensures better quality of the holes produced.
In mild structural steels, the optimal range is 240-320 rpm; for higher-strength steels, 200-260 rpm. Correct speed selection directly affects machining quality and drill life.
Product accessories
Metal drill bit 18.5 long 247/162 HSS DIN 340
Reference: 0273 In stock > 10 items
€11.32
€13.92 brutto
20 mm HSS DIN 338 fluted metal drill bit
Reference: 069085 In stock > 10 items
€8.42
€10.36 brutto
14.5 mm HSS DIN 338 fluted metal drill bit
Reference: 926019 In stock < 10 items
€4.74
€5.83 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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