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Metal drill bit 3.7 long 112/73 HSS DIN 340
Artykuły Techniczne Artykuły Techniczne
0183
Diameter (mm): 3,7140 sizes of this drill
11,11,21,31,41,51,61,71,81,922,12,22,32,42,52,62,72,82,933,13,23,33,43,53,63,73,83,944,14,24,34,44,54,64,74,84,955,15,25,35,45,55,65,75,85,966,16,26,36,46,56,66,76,86,977,17,27,37,47,57,67,77,87,988,18,28,38,48,58,68,78,88,999,19,29,39,49,59,69,79,89,91010,110,210,410,510,610,710,810,91111,111,211,311,411,511,611,711,811,91212,112,212,312,412,512,712,81313,313,513,71414,2514,51515,515,751616,51717,2517,51818,2518,518,751919,2519,520
€1.23 tax inc.
Net price: €1.00
Instant Shipping
W magazynie: 10-100 szt.
Description
Technical data of long drill fi 3.7
| Technical data | |
|---|---|
| Working diameter of drill d | fi 3,7 mm |
| Overall length l1 | 112 mm |
| Length of working part l2 | 73 mm |
Cutting parameters of long drill bit fi 3,7 mm HSS NWKb
| ISO symbol | Material | Cutting speed Vc [m/min] | Feed per revolution f [mm] | Revolutions n [obr/min] | Total feed rate [mm/min] |
|---|---|---|---|---|---|
| P | Steel | 12-21 | 0,04 | 1274 | 51 |
| K | Cast iron | 10-15 | 0,04 | 1062 | 42 |
| Copper and alloys | 12-25 | 0,05 | 1274 | 64 |
May be useful
Cutting parameters calculator
Long drill bit for metal fi 3,7
Modern long drill bit for metal fi 3,7 twist with cylindrical shank 3,7 mm. It is suitable for professional processing of very hard materials in large locksmith shops and workshops. Drills of this type are made according to the NWKb DIN 340 dimensional standard from modern HSS - High Speed Steel. Thanks to it, the drills allow high-performance drilling at high speed, and the drill blades are resistant to the high temperatures created as a result. In addition, long drills for metal fi 3,7 are resistant to other harsh conditions and resistant to various types of mechanical damage (fractures, cracks, chipping, dulling). They are suitable for drilling through-holes and blind holes in parts made of unalloyed steel, metals, metal alloys, bronze brass. Designed for various types of conventional machine tools (drills, lathes, milling machines) and CNC computer-controlled 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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