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Whole catalog Tools and equipmentDrills, cutters, burs, taps, diesTwist drills with cylindrical shank
Код товара:
036485

Cobalt drill, short 5.0mm HSS spiral BILATERAL

Cobalt tool steel For drilling in metal, fiberglass and softer materials. Double sided, short series. Diameter 5.0 mm.
Cobalt drill, short  5.0mm HSS spiral BILATERAL
NOT available.
Expected price: 37,80 UAH
from 1 pc : 37,80 UAH
from 10 pcs : 34,02 UAH ( -10,0%)
from 30 pcs : 30,24 UAH ( -20,0%)
Prices are indicated at the time of product availability and may change upon receipt

Current balances:

NOT available

Изображение товара

Product description format_size zoom_out zoom_in

Drill size:
  • diameter D: 5.00 mm
  • total length L: 55 mm
  • spiral length F: 20 mm
  • Grinding angle: 135°

Twist drill bit made of HSS-Co tool steel
Double-sided.
Short series.
The cobalt Co content in the alloy increases drill life. Alloying with cobalt also increases redness (the ability to withstand overheating without deterioration of properties).
Without additional hardening coating.
Right-handed, sharpened 135 °,   i.e. for hard materials.
Ground.
Two cutting edges, two spirals.
Shank diameter corresponds to drilling diameter.
Angle sharpening 135°defines the recommended area of ​​application for drilling the following materials:
  • alloy and non-alloy steel
  • non-ferrous metals
  • different grades of cast iron
  • cermets
  • hard plastic, including fiberglass

Features:
  • drill type: twist
  • direction of rotation: right hand
  • sharpening angle: 135°
  • cobalt content: ~ 1%
  • surface hardening: no
  • color: dark bronze
Attention!
Drilling of stainless steel must be done at the required drilling speeds, be sure to use coolant (cutting fluid). The use of coolant on any metal significantly increases the resource
drills.


 
Recommended sharpening angles of drills
 
Material that will be drilled Angle of sharpening drills
Cast iron and steel 116…118
Steel forgings and hardened steel 125
Brass and soft bronze 130…140
Soft copper 125
Aluminum , babbit 130…140
Silumin 90…100
Magnesium alloys 110…120
Ebonite, celluloid 80…90
Marble and other fragile materials 90…100
Organic glass 70
Plastics 50…60
 

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The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
To carry out technical calculations and obtain the exact parameters of the goods, use the datasheets from the manufacturer's website.

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