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Description
Technical data of trepan drill fi 21 Weldon
- working diameter D - 21 mm
- working length l1 - 30 mm
- weldon shank 3/4" - 19,05 mm
Crown drill fi 21 for metal for magnet drills - Magnet machines
High quality core hole drill 21 for metal crown drill also called trepanning or crown drill. It has a nominal diameter of 21 mm. It is a short drill bit, of Polish production, made of modern HSS high-speed steel. The advantage of the drill is its peculiar way of drilling (milling) the hole only on its circumference. In this way, the amount of cut material is reduced, and the resulting chips can be used as full-value material. The tubular drills in our store have a metric fi ¾ inch shank, with the possibility of changing to a Morse taper. Core hole drill 14 to metal tubular in case of wear are suitable for regeneration (resharpening). Their advantage is also the possibility of reducing working time by about 30-40% compared to standard drills. They are made of high-speed steel, which not only increases the strength of the tools to withstand harsh cutting conditions, but also causes greater resistance to mechanical damage.
Pipe drill fi 21 (also known as trepanning cutter ) of Polish design and production made of high-grade HSS high speed steel. The drill is ideal for magnet drilling machines.
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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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