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Description
Technical data of long drill 4,9
- working diameter of the drill d- 4.9 mm,
- total length l1 - 132,0 mm,
- length of the side part l2 -87,0 mm.
Long drill bit for metal 4,9
Professional long drill bit for metal 4,9 with smooth cylindrical shank intended for drilling cylindrical through-holes and blind holes in very hard and hard-to-machine non-alloy steels, sheets, metals, metal alloys, non-ferrous metals and plastics. Long drills for metal 4,9 of this type are produced according to the dimensional standard NWKb, DIN 340 from special molybdenum high-speed steel HSS - High Speed Steel. The drills have an apex angle of 118 degrees, 2 central blades, special chip grooves for fast removal of cut chips and strong ground cutting edges. The cutting properties of HSS steel and the specific unique geometric features of the drill bits enable high cutting properties, with which they far exceed the cutting properties of drill bits made of standard tool steel. The advantages of the drill bits contribute to higher resistance to mechanical damage, which increases their service life. They are suitable for conventional drilling machines and CNC machine tools.
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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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