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WNMG 080412-SM ET21P Carbide Medium Cutting Inserts Edgetech
WNMG 080412-SM ET21P Carbide Medium Cutting Inserts Edgetech

WNMG 080412-SM ET21P Carbide Medium Cutting Inserts Edgetech

£4.00
(Exc. 20% VAT)
£14.27
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Part Number
TI01264
Shape
WNMG
Relief Angle
Negative = 0° (Clamp or Lever)
Edge Length
08 (8.0mm)
Thickness ISO/mm
04 (4.76mm)
Radius
12 (1.2mm)
Grade
ET21P
Chipbreaker Code
SM
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
Europa Edgetech
Information
ISO DesignationEdge
Length
LE (mm)		Thickness
S (mm)		Radius
RE(mm)
ChipbreakerGrade
WNMG080412-SM08 (8.0)04 (4.76)12 (1.2)SMET21P


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: SM chipbreaker - Medium cutting of clean HRSA material.
Best for: Stainless Steels.

Technical Data & Info

Feed Rate & Depth of Cut

fn (mm/rev)0.10 - 0.25
ap (mm)0.5 - 4.0

Speeds Chart

Material VDI GroupMaterial DesignationMaterial ConditionHardnessGradeSpeed M/Min
1Non-alloy steel & Cast steel, Free cutting steel <0.15%C.Annealed≤125 HBET21P135 - 405
2Non-alloy steel & Cast steel, Free cutting steel <0.45%C.Annealed≤190 HBET21P135 - 405
3Non-alloy steel & Cast steel, Free cutting steel <0.45%C.Annealed≤250 HBET21P135 - 405
4Non-alloy steel & Cast steel, Free cutting steel <0.75%C.Annealed≤270 HBET21P135 - 405
5Non-alloy steel & Cast steel, Free cutting steel <0.75%C.Quenched & Tempered≤300 HBET21P135 - 405
6Low-alloy steel & Cast steel (less than 5% of alloying elements)Annealed≤180 HBET21P120 - 350
7Low-alloy steel & Cast steel (less than 5% of alloying elements)Quenched & Tempered≤275 HBET21P120 - 350
8Low-alloy steel & Cast steel (less than 5% of alloying elements)Quenched & Tempered≤300 HBET21P120 - 350
9Low-alloy steel & Cast steel (less than 5% of alloying elements)Quenched & Tempered≤350 HBET21P120 - 350
10High-alloy steel, Cast steel & Tool steelAnnealed≤200 HBET21P95- 280
11High-alloy steel, Cast steel & Tool steelQuenched & Tempered≤325 HBET21P95 - 280
12Stainless steel & Cast stainless steelFerritic/Martensitic, Annealed≤200 HBET21P130 - 230
13Stainless steel & Cast stainless steelMartensitic, Quenched & Tempered≤240 HBET21P130 - 230
14Stainless steel & Cast stainless steelAustenitic≤180 HBET21P100 - 200
31Heat resistant super alloysFe based, Annealed≤200 HBET21P30 - 90
32Heat resistant super alloysFe based, Aged≤280 HBET21P30 - 90
33Heat resistant super alloysNi or Co based, Annealed≤250 HBET21P30 - 90
34Heat resistant super alloysNi or Co based, Aged≤350 HBET21P30 - 90
35Heat resistant super alloysNi or Co based, Cast≤320 HBET21P30 - 90
36Titanium alloysPure Titanium400 RmET21P30 - 90
37Titanium alloysAlpha & Beta alloys, Hardened1050 RmET21P30 - 90
Turning Calculator
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Turning Speeds Calculator

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