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CNMG 120412-BM ET33C Carbide Medium & Unstable Cutting Inserts Edgetech
CNMG 120412-BM ET33C Carbide Medium & Unstable Cutting Inserts Edgetech

CNMG 120412-BM ET33C Carbide Medium & Unstable Cutting Inserts Edgetech

£4.00
(Exc. 20% VAT)
£14.27
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Part Number
TI00671
Shape
CNMG
Relief Angle
Negative = 0° (Clamp or Lever)
Edge Length
12 (12.7mm)
Thickness ISO/mm
04 (4.76mm)
Radius
12 (1.2mm)
Grade
ET33C
Chipbreaker Code
BM
Interrupted Cut?
No - Stable conditions
Will Cut Steel? (P-Blue)
Yes - Excellent
Will Cut Stainless Steel? (M-Yellow)
Yes - Excellent
Will Cut Cast Iron? (K-Red)
No
Will Cut Heat Resistant Alloys? (S-Orange)
No
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
CNMG120412-BM12 (12.7)04 (4.76)12 (1.2)BMET33C


Grade: ET33C
Type: New Multi-layer CVD coated grades are finished with a special process to enable smoother chip flow.
Colour: Black
Grade Summary: ET33C Tough grade for turning of Stainless Steel and interrupted cutting of Steel.
Type of Cut: BM chipbreaker - Medium cutting and unstable conditions.
Best for: Steels & Stainless Steel.

Technical Data & Info

Feed Rate & Depth of Cut

fn (mm/rev)0.15 - 0.30
ap (mm)1.5 - 3.0

Speeds Chart

Material VDI GroupMaterial DesignationMaterial ConditionHardnessGradeSpeed M/Min
1Non-alloy steel & Cast steel, Free cutting steel <0.15%C.Annealed≤125 HBET33C150 - 350
2Non-alloy steel & Cast steel, Free cutting steel <0.45%C.Annealed≤190 HBET33C150 - 350
3Non-alloy steel & Cast steel, Free cutting steel <0.45%C.Annealed≤250 HBET33C150 - 350
4Non-alloy steel & Cast steel, Free cutting steel <0.75%C.Annealed≤270 HBET33C150 - 350
5Non-alloy steel & Cast steel, Free cutting steel <0.75%C.Quenched & Tempered≤300 HBET33C150 - 350
6Low-alloy steel & Cast steel (less than 5% of alloying elements)Annealed≤180 HBET33C90 - 300
7Low-alloy steel & Cast steel (less than 5% of alloying elements)Quenched & Tempered≤275 HBET33C90 - 300
8Low-alloy steel & Cast steel (less than 5% of alloying elements)Quenched & Tempered≤300 HBET33C90 - 300
9Low-alloy steel & Cast steel (less than 5% of alloying elements)Quenched & Tempered≤350 HBET33C90 - 300
10High-alloy steel, Cast steel & Tool steelAnnealed≤200 HBET33C70 - 250
11High-alloy steel, Cast steel & Tool steelQuenched & Tempered≤325 HBET33C70 - 250
12Stainless steel & Cast stainless steelFerritic/Martensitic, Annealed≤200 HBET33C120 - 220
13Stainless steel & Cast stainless steelMartensitic, Quenched & Tempered≤240 HBET33C120 - 220
14Stainless steel & Cast stainless steelAustenitic≤180 HBET33C50 - 180
Turning Calculator
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Turning Speeds Calculator

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