Carbide Countersink 4mm Diameter 90 Point 45 Chamfer AlTiN Coated 4 Flutes

Carbide Countersink 4mm Diameter 90 Point 45 Chamfer AlTiN Coated 4 Flutes
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Our Price:  £8.00
List Price:  £12.00
Saving Of:  £4.00 (33%)
(Exc. 20% VAT)(£9.60 Inc. VAT)

Model:  CS90-04040050
Brand:  APT Carbide End Mills

Shipped Weight:  25 g

Availability:  

In stock, immediate despatch  

In stock, immediate despatch

APT Carbide End Mills

Carbide End Mills APT Brand


4mm Diameter Carbide Countersink 90° Point 45° Chamfer AlTiN Coated.

4 Flutes.

Suitable for Steel, Cast Iron, Stainless and General Use on Materials up to 55HRC.

Dimensions for CS90-04040050 (mm)
Dia Shank Dia Length Flutes
4 4 50 4
General Cutting parameters
Material Hardness HB Cutting Speed VC: m/min Feed per Tooth Application Choice
Plain and Medium Carbon Steel 125-170 100-230 (165) 0.03-0.05 Good
Low alloyed steel 180-350 80-160 (120) 0.03-0.05 Good
High alloyed steel 200-325 60-100 (80) 0.03-0.05 Good
Corrosion resistant steel 200 60-130 (100) 0.03-0.05 Good
Stainless - Ferritic 200-330 70-100 (80) 0.03-0.05 Good
 Stainless - Austenitic 180-200 70-120 (90) 0.03-0.05 Good
Cast Iron 180-260 60-130 (100) 0.03-0.05 Good
Aluminium Alloys Si<12% 60-100 100-200 (150) 0.03-0.05 OK
High-temp Alloys 200-280 HB 200-280 25-60 (35) 0.03-0.05 Good
Hardened Steel 40-50HRC 50-60 (55) 0.03-0.05 Good
Hardened Steel 50-55HRC 40-50 (45) 0.03-0.05 Good

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