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Description
Technical data of metal drill fi 2,9
| Technical data | |
|---|---|
| Working diameter of drill bit d | fi 2,9 mm |
| Overall length l1 | 61 mm |
| Length of working part l2 | 33 mm |
- Drill bit made according to DIN-338
- Possible drilling to a hardness of 35 HRC
- Blade angle of 118 degrees suitable for drilling in steel, cast steel
- Made of the best grade of high speed steel HSS ( High speed steel )
- Makes a hole in h8 tolerance
- Low roughness of the hole
Cutting parameters of drill fi 2,9 mm HSS NWKa
| ISO symbol | Material | Cutting speed Vc [m/min] | Feed per revolution f [mm] | Revolutions n [obr/min] | Total feed rate [mm/min] |
|---|---|---|---|---|---|
| P | Steel | 14-25 | 0,05 | 1537 | 77 |
| K | Cast iron | 10-18 | 0,05 | 1098 | 55 |
May be useful
Calculator of cutting parameters
Drill fi 2.9 with cylindrical shank.
Drill 2.9 mm HSS. Modern NWKa drill bit, DIN 338, section fi 2.9 mm for drilling through-holes and blind holes in very hard and hard-to-machine materials falling into the category P1.2 - P1.3. The drill bit is made of modern, high-grade HSS (High Speed Steel). This is a unique tool steel characterized by greater hardness and durability against abrasion under high temperatures. Thanks to it, the drills allow high-performance and high-precision drilling (holes with low roughness). In addition, they are insensitive to any mechanical damage (breakage, cracking, chipping, dulling). Recommended for professional drilling in large locksmith shops. Drill bits for metal 2,9 mm are suitable for drilling machines, lathes and milling machines, as well as CNC numerical control machine tools.
Product accessories
Tapered countersink 6.3/90 DIN 335 C HSS
Reference: 0000004110 In stock > 10 items
€4.21
€5.18 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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