PTNT 40 NK240 GTN Style Part-off - Parting Insert 4.1mm PVD Coated for Stainless

PTNT 40 NK240 GTN Style Part-off - Parting Insert 4.1mm PVD Coated for Stainless
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Our Price:  £5.23
List Price:  £7.85
Saving Of:  £2.62 (33%)
(Exc. 20% VAT)(£6.28 Inc. VAT)

Model:  PTNT40NK240
Brand:  APT Carbide

Shipped Weight:  6g

Availability:  

In stock, immediate despatch  

In stock, immediate despatch

APT Carbide

Carbide Inserts APT Brand utilising modern Base Grades, MT-CVD & PVD Coatings and proven Chip Geometries


GTN style Carbide Insert for Parting PVD Coated 4.1mm wide Part–Off Insert in Grade NK240 (M30–P40–K40 + PVD TiAlN Coating) first choice for Stainless also suitable for Steel, Cast & high–temp Alloys

Competitors marking for similar product GTN 4.

General Cutting parameters for PTNT 40 NK240
Material Hardness HB Cutting Speed VC: m/min Feed f (mm) Per Revolution Width of Cut ap(mm)
Non alloyed steel 0-0.45℅ C 150-250 100-190 0.08-0.30 4.1
Low alloyed steel 250-300 80-160 0.08-0.30 4.1
High alloyed steel 200 50-100 0.08-0.20 4.1
Corrosion resistant steel 200 80-150 0.08-0.30 4.1
Stainless - Ferritic 200 100-140 0.08-0.20 4.1
Stainless - Austenitic 180 80-120 0.08-0.20 4.1
Stainless - Martensitic 330 40-70 0.08-0.15 4.1
Grey cast iron 180 100-190 1.00-0.30 4.1
Spheroidal cast iron 160 80-160 1.00-0.20 4.1
Malleable / Tempered iron 130 100-190 1.00-0.30 4.1
Iron Based Hi-temp Alloys 200-280 30-70 0.08-0.15 4.1
Nickel or Cobalt Based 30-58 HRC - 20-60 0.08-0.15 4.1
Nickel or Cobalt Based 250 HB 250 10-50 0.08-0.12 4.1
Pure Titanium - 20-30 0.08-0.15 4.1
Titanium  Alpha + Beta Alloys - 20-30 0.08-0.15 4.1

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