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Whole catalog Tools and equipmentDrills, cutters, burs, taps, diesTwist drills with cylindrical shank
Код товара:
036484

Cobalt drill for metal 4.5mm HSS coiled DOUBLE SIDED

Tool cobalt steel for drilling metal, fiberglass and softer materials. Double sided, short series. Diameter 4.5 mm.
Cobalt drill for metal 4.5mm HSS coiled DOUBLE SIDED
NOT available.
Expected price: 27,20 UAH
from 1 pc : 27,20 UAH
from 10 pcs : 24,48 UAH ( -10,0%)
from 30 pcs : 21,76 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: 4.50 mm
  • total length L: 52 mm
  • spiral length F: 16 ​​mm
  • sharpening angle: 135 °

Twist drill bit made of HSS-Co tool steel.
Bilateral.
Short series.
The cobalt Co content in the alloy increases drill life. Alloying with cobalt also increases the red hardness (the ability to withstand overheating without degrading properties).
Without additional hardening coating.
Right-cutting, sharpening 135 °, those. for hard materials.
Sanded.
Two cutting edges, two spirals.
The shank diameter corresponds to the drilling diameter.
The 135°angle sharpener defines the recommended application for drilling the following materials:
  • alloyed and unalloyed steel
  • non-ferrous metals
  • cast iron of different grades
  • cermets
  • hard plastic, including fiberglass

Characteristics:
  • drill type: twist
  • direction of rotation: right-handed
  • sharpening angle: 135 °
  • cobalt content: ~ 1%
  • hardening surface coating: no
  • color: dark bronze
Attention!
Drilling of stainless steel must be done at the required drilling speeds, it is imperative to use coolant (cutting fluid). The use of coolant on any metal increases the resource many times over
drill.


 
Recommended sharpening angles of drills
 
Material to be drilled Drill angle
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.
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