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Drill bit 3.5 long for metal - 112 mm / 73 mm HSS DIN 340 NWKb
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  • Drill bit 3.5 long for metal - 112 mm / 73 mm HSS DIN 340 NWKb
  • Drill bit 3.5 long for metal - 112 mm / 73 mm HSS DIN 340 NWKb - nr. 1
Artykuły Techniczne

Metal drill bit 3.5 long 112/73 HSS DIN 340

Artykuły Techniczne Artykuły Techniczne
0181
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Net price: €0.89

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W magazynie: 3 pcs.
W magazynie: 3 pcs.

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Description

Technical data of long drill fi 3.5

Technical data
Working diameter of drill d fi 3,5 mm
Total length l1 112 mm
Length of working part l2 73 mm

Cutting parameters of long drill bit fi 3,5 mm HSS NWKb

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 1274 51
K Cast iron 10-15 0,04 1062 42
Copper and alloys 12-25 0,05 1274 64

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Cutting parameters calculator

Long drill bit for metal fi 3,5

Twist long drill bit for metal fi 3,5 mm made according to the NWKb, DIN 340 dimensional standard. It has 2 central blades, strong ground cutting edges insensitive to impact and lateral forces, special chip grooves responsible for fast chip removal up the drilled hole, and a tip angle of 118 degrees. Long drills for metal fi 3,5 in our offer are produced from modern HSS high-speed steel. This is a unique material that allows for much higher cutting effects. First of all, cylindrical drills made of this steel are very efficient and allow drilling at very high speeds. Even under the influence of high temperatures (up to 600 degrees) generated during such drilling, the drill blades maintain high resistance to any mechanical damage. In addition, the drills allow drilling very accurately, and the holes made are axial along their entire length. They are suitable for drilling holes in unalloyed steel, metals, metal alloys and non-ferrous metals. They are designed for various types of drilling machines, lathes and milling machines, as well as modern computer-controlled numerical control machine tools.


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Metal drill bit 3.5 long 112/73 HSS DIN 340

Metal drill bit 3.5 long 112/73 HSS DIN 340

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