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Bridge reamer 21 NRRa DIN 311 HSS
Net price: €33.95
Description
Technical data of boiler reamer 21
- working diameter D (k11) - 21 mm
- length of working part l - 155 mm
- total length L - 271 mm
- number of blades Z - 5
- number of Morse taper - 3
Bridge reamer 21
Modern bridge reamer 21 machine torsion, boilermaker's screw, with Morse taper shank, type NRRa, with a diameter of 21 mm, made according to the dimensional standard DIN 311. It is a multi-tooth tool with torsion teeth, which makes it suitable for finishing cylindrical through-holes and blind holes. Machine reamers in the offer of our store are made of special HSS - High Speed Steel. Thanks to its properties, reamers are characterized by increased resistance to difficult cutting conditions and increased resistance of blades to possible mechanical damage. NRRa machine reamers are designed for finishing holes after they have been previously drilled. They are used both to increase the diameter of holes and to improve the quality of machined surfaces. They are used to reduce hole roughness and cutting accuracy. They are suitable for conventional and CNC numerical control machine tools.
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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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