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Description
Technical data of extra long drill fi 4
| Technical data | |
|---|---|
| Working diameter of drill d | fi 4 mm |
| Overall length l1 | 190 mm |
| Length of working part l2 | 280 mm |
Cutting parameters of extra long drill fi 4 mm HSS NWKp
| 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 | 955 | 38 |
| K | Cast iron | 10-15 | 0,04 | 796 | 32 |
| Copper and alloys | 12-25 | 0,05 | 955 | 48 |
May be useful
Cutting parameters calculator
Extra-long twist drills with cylindrical shank for steel and cast iron for general use. The recommended use is for deep holes, or when greater tool overhang is required. Use in: carbon steel, auto steel, structural steel, gray iron, aluminum bronze, new silver Cu Zn Ni alloy, gray iron, tin-zinc bronze, electronic copper malleable brass. High-performance drilling; precision, heavy duty.
Extra long drill bit for metal 4
Modern very long drill bit for metal fi 4 with cylindrical shank of 4 mm section and length 280/190. It is a NWKp drill bit, complying with the dimensional standard DIN 1869, made entirely by grinding method from high-grade HSS (High Speed Steel). The drill bit is suitable for drilling very deep holes in workpieces made of very hard and hard-to-machine materials of the P1.2 class - P1.3. Long metal drills fi 4 NWKp found in our store are designed for machining unalloyed steel, metals, non-ferrous metals, metal alloys and other hard raw materials. They can be used for various types of conventional machine tools (drills, milling machines, lathes) as well as for modern CNC (computerized numerical control) machine tools. The drills in our store are very resistant to harsh cutting conditions and resistant to abrasion under high temperatures - up to 600 degrees C.
Product accessories
Metal drill bit 4.5 extra long 235/160 HSS DIN 1869
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Reference: 10639 In stock > 10 items
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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 |
Metal drill bit 4 extra long 280/190 HSS DIN 1869 Podgląd zdjęć produktu
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