TNMG 160412-MM ET21P Carbide Medium Cutting Inserts Edgetech

£3.74

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~~£13.35~~

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Part Number

TI00784

Shape

TNMG

Relief Angle

Negative = 0° (Clamp or Lever)

Edge Length

16 (16mm)

Thickness ISO/mm

04 (4.76mm)

Radius

12 (1.2mm)

Grade

ET21P

Chipbreaker Code

MM

Interrupted Cut?

No - Stable conditions

Will Cut Steel? (P-Blue)

Yes

Will Cut Stainless Steel? (M-Yellow)

Yes - Excellent

Will Cut Cast Iron? (K-Red)

No

Will Cut Heat Resistant Alloys? (S-Orange)

Yes

Will Cut Non-Ferrous? (N-Green)

No

Will Cut Hardened Steel? (H-Grey)

No

Information

ISO Designation	Edge Length LE (mm)	Thickness S (mm)	Radius RE(mm)	Chipbreaker	Grade
TNMG160412-MM	16 (16)	04 (4.76)	12 (1.2)	MM	ET21P

Grade: ET21P
Type: Single layer PVD coated grades are designed to balance edge strength with extended tool life..
Colour: Gold
Grade Summary: ET21P Optimised grade for cutting of stainless steel at high cutting speeds.
Type of Cut: MM chipbreaker - Medium cutting of Stainless Steel.
Best for: Stainless Steels.

Technical Data & Info

Feed Rate & Depth of Cut

fn (mm/rev)	0.20 - 0.35
ap (mm)	1.5 - 3.5

Speeds Chart

Material VDI Group	Material Designation	Material Condition	Hardness	Grade	Speed M/Min
1	Non-alloy steel & Cast steel, Free cutting steel <0.15%C.	Annealed	≤125 HB	ET21P	135 - 405
2	Non-alloy steel & Cast steel, Free cutting steel <0.45%C.	Annealed	≤190 HB	ET21P	135 - 405
3	Non-alloy steel & Cast steel, Free cutting steel <0.45%C.	Annealed	≤250 HB	ET21P	135 - 405
4	Non-alloy steel & Cast steel, Free cutting steel <0.75%C.	Annealed	≤270 HB	ET21P	135 - 405
5	Non-alloy steel & Cast steel, Free cutting steel <0.75%C.	Quenched & Tempered	≤300 HB	ET21P	135 - 405
6	Low-alloy steel & Cast steel (less than 5% of alloying elements)	Annealed	≤180 HB	ET21P	120 - 350
7	Low-alloy steel & Cast steel (less than 5% of alloying elements)	Quenched & Tempered	≤275 HB	ET21P	120 - 350
8	Low-alloy steel & Cast steel (less than 5% of alloying elements)	Quenched & Tempered	≤300 HB	ET21P	120 - 350
9	Low-alloy steel & Cast steel (less than 5% of alloying elements)	Quenched & Tempered	≤350 HB	ET21P	120 - 350
10	High-alloy steel, Cast steel & Tool steel	Annealed	≤200 HB	ET21P	95- 280
11	High-alloy steel, Cast steel & Tool steel	Quenched & Tempered	≤325 HB	ET21P	95 - 280
12	Stainless steel & Cast stainless steel	Ferritic/Martensitic, Annealed	≤200 HB	ET21P	130 - 230
13	Stainless steel & Cast stainless steel	Martensitic, Quenched & Tempered	≤240 HB	ET21P	130 - 230
14	Stainless steel & Cast stainless steel	Austenitic	≤180 HB	ET21P	100 - 200
31	Heat resistant super alloys	Fe based, Annealed	≤200 HB	ET21P	30 - 90
32	Heat resistant super alloys	Fe based, Aged	≤280 HB	ET21P	30 - 90
33	Heat resistant super alloys	Ni or Co based, Annealed	≤250 HB	ET21P	30 - 90
34	Heat resistant super alloys	Ni or Co based, Aged	≤350 HB	ET21P	30 - 90
35	Heat resistant super alloys	Ni or Co based, Cast	≤320 HB	ET21P	30 - 90
36	Titanium alloys	Pure Titanium	400 Rm	ET21P	30 - 90
37	Titanium alloys	Alpha & Beta alloys, Hardened	1050 Rm	ET21P	30 - 90