WCMX 040208 DX NK240 Carbide Inserts for Drilling PVD Coated General Use APT

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Model: WCMX040208DXNK240
Brand: APT Carbide

Shipped Weight: 4g

Availability:

Only 27 left in stock - order soon

APT Carbide

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

Carbide Inserts for Drilling PVD Coated Grade NK240 (P40–M35–S15 + PVD TiAlN Coating) Main application – Steel & Stainless, extended application – Hi–Temp Alloy

Geometry DX for drilling Steel & Stainless

Dimensions for WCMX 040208 DX NK240 (mm)

Cutting Edge Length	Inscribed Circle or Width	Thickness	Hole Dia	Corner Radius	Side Clearance
3.99	6.35	2.38	3.1	0.8	7°

General Cutting parameters for WCMX 040208 DX NK240

Material	Hardness HB	Cutting Speed VC: m/min	Feed f mm/rev
Non alloyed steel 0-0.45℅ C	150-250	90-260	0.04-0.12
Low alloyed steel	250-300	80-220	0.06-0.10
High alloyed steel	200	100-220	0.08-0.12
Corrosion resistant steel	200	90-200	0.08-0.12
Stainless - Ferritic	150-270	90-200	0.04-0.12
Stainless - Austenitic	150-250	70-150	0.04-0.12
Stainless - Duplex	230-260	60-130	0.04-0.10
Stainless - Martensitic	330	60-230	0.04-0.10

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