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NWKc Morse metal drill bits DIN 345
Drill 4 mm extra long - 220 mm / 150 mm HSS
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  • Drill 4 mm extra long - 220 mm / 150 mm HSS
  • Drill 4 mm extra long - 220 mm / 150 mm HSS - nr. 1
Artykuły Techniczne

Drill 4 extra long 220/150 HSS DIN 1869

Artykuły Techniczne Artykuły Techniczne
13149
Diameter (mm): 424 sizes of this drill
22,533,544,555,566,56,777,288,58,68,89101111,5121314
€3.56 tax inc.

Net price: €2.89

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W magazynie: 10-100 szt.
W magazynie: 10-100 szt.

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Call and order: (44) 755-04-05

Description

Technical data of extra long drill fi 4

Technical data
Working diameter of drill d fi 4 mm
Overall length l1 220 mm
Length of working part l2 150 mm

Cutting parameters of extra long drill fi 4 mm HSS NWKp

ISO symbolMaterialCutting 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

Metal fi 4 twist extra long drill bit with cylindrical shank for steel and cast iron for general use. The recommended use is for making deep holes, or when greater tool overhang is required. Application 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. It is acceptable to drill in alloy steel which has a tensile limit Rm 1200 N/mm2, zinc alloy, zinc, malleable cast iron.

High-quality long metal drill fi 4 with cylindrical shank - extra long. Type of drill NWKp. Nominal diameter 4 mm, length ranges 220/140. NWKp cylindrical drills offered in our store are made in accordance with the dimensional standard DIN 1869 from specialized HSS (High Speed Steel). It is a steel with exceptional technical properties. It is suitable for manufacturing cutting tools for special applications. The advantage of HSS is its much higher hardness and durability, as well as its increased resistance to very difficult cutting conditions. HSS drills are used for machining hard materials classified as P1.2 - P1.3. They can be used for drilling very deep holes in parts made of non-alloy steels, metals, non-ferrous metals, cast iron, brass, bronze, non-ferrous metals. NWKp drills do not require pre-drilling, scoring or pilot drilling. They are suitable for various conventional and CNC numerical machine tools.

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Drill 4 extra long 220/150 HSS DIN 1869

Drill 4 extra long 220/150 HSS DIN 1869

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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
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