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Description
Technical data for the drill bit for metal, Ø32 mm, with reduced shank
| Technical data | |
|---|---|
| Working diameter of drill d | Ø32 mm |
| Overall length l1 | 152 mm |
| Flute length l2 | 65 mm |
| Shank diameter - 1.2" | 12.7 mm |
- 1/2 inch reduced shank – mounting without adapters
- Drilling in steels up to 35 HRC
- High-quality HSS steel
- IT11 tolerance (±130 µm)
- Ground surface – low roughness
Cutting data for the Ø32 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 | 0.25 | 140 | 70 |
| KCast iron | 10-18 | 0.25 | 100 | 50 |
May be useful
Cutting parameters calculator
Ø32 mm HSS reduced-shank metal drill bit – an advanced tool for heavy industry
Specialized a 32 mm diameter drill bit with a reduced shank made of high-speed steel (HSS) is developed for the most demanding machining processes. The shank reduced to 12.7 mm in diameter (half an inch) allows immediate use in standard industrial holders without additional adapters. The solution is intended for maintenance departments, industrial production, and specialized metal fabrication workshops.
Technical properties of the Varel Ø32 mm drill bit with a reduced shank
- 1/2 inch reduced shank – easy mounting in stationary and magnetic drills without adapters
- IT11 accuracy according to ISO 286-1 – drilled holes achieve a tolerance of ±130 µm, meeting the requirements of standard industrial assembly applications
- Ground finish – improves cutting accuracy and reduces resistance forces by one quarter of their initial value
- Hardness range up to 35 HRC – effective machining of S235 and S355 steels, cast iron, and nonferrous metals
- Quality brand Varel – manufacturer of cutting tools for industry
Reduced-shank technology provides a practical solution to the difficulties of mounting larger-diameter tools in standard equipment. The polished working surface minimizes friction and cutting zone temperature, ensuring reliability during extended operation in industrial production.
Frequently asked questions
This tool is intended for machining S235 and S355 structural steels not exceeding 35 HRC, as well as gray cast iron, aluminum, and brass. We advise against use in heat-treated steels exceeding 35 HRC and in austenitic grades.
For drill bits with diameters exceeding 30 mm, cooling is practically essential. Proper use of an emulsion or oil can extend drill bit life by up to 60 percent and significantly improve hole dimensional accuracy and surface finish.
For S235 steel, we recommend a speed of 150-215 rpm, while for S355 steel the range is 105-165 rpm. Higher speeds cause excessive heat buildup and accelerated deterioration of the tool's cutting edges.
Product accessories
Countersink countersink 35/90 DIN 335 C HSS
Reference: 0000009536 In stock > 10 items
€34.74
€42.73 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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