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TCMT 16T308-BF ET31C Carbide Finishing Inserts Edgetech
TCMT 16T308-BF ET31C Carbide Finishing Inserts Edgetech

TCMT 16T308-BF ET31C Carbide Finishing Inserts Edgetech

£3.96
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£14.13
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Part Number
TI00844
Shape
TCMT
Relief Angle
Positive = 7? (Screw on)
Edge Length
16 (15.7mm)
Thickness ISO/mm
T3 (3.97mm)
Radius
04 (0.4mm)
Grade
ET31C
Chipbreaker Code
BF
Interrupted Cut?
No - Stable conditions
Will Cut Steel? (P-Blue)
Yes - Excellent
Will Cut Stainless Steel? (M-Yellow)
No
Will Cut Cast Iron? (K-Red)
Yes - Excellent
Will Cut Heat Resistant Alloys? (S-Orange)
No
Will Cut Non-Ferrous? (N-Green)
No
Will Cut Hardened Steel? (H-Grey)
Yes - Hard
Europa Edgetech
Information
ISO DesignationEdge
Length
LE (mm)		Thickness
S (mm)		Radius
RE(mm)
ChipbreakerGrade
TCMT16T304-BF 16 (15.7) T3 (3.97) 08 (0.8) BF ET31C


Grade: ET31C
Type: New Multi-layer CVD coated grades are finished with a special process to enable smoother chip flow.
Colour: Black
Grade Summary: ET31C First choice for high speed finishing of Steels and ductile Cast Iron.
Type of Cut: BF chipbreaker - Finishing cuts in materials with stable/uninterrupted cuts.
Best for: Hard > Moderate Steels and ductile Cast Iron.

Technical Data & Info

Feed Rate & Depth of Cut

fn (mm/rev)0.05 - 0.25
ap (mm)0.8 - 2.0

Speeds Chart

Material VDI GroupMaterial DesignationMaterial ConditionHardnessGradeSpeed M/Min
1Non-alloy steel & Cast steel, Free cutting steel <0.15%C.Annealed≤125 HBET315C180 - 500
2Non-alloy steel & Cast steel, Free cutting steel <0.45%C.Annealed≤190 HBET315C180 - 500
3Non-alloy steel & Cast steel, Free cutting steel <0.45%C.Annealed≤250 HBET315C180 - 500
4Non-alloy steel & Cast steel, Free cutting steel <0.75%C.Annealed≤270 HBET315C180 - 500
5Non-alloy steel & Cast steel, Free cutting steel <0.75%C.Quenched & Tempered≤300 HBET315C180 - 500
6Low-alloy steel & Cast steel (less than 5% of alloying elements)Annealed≤180 HBET315C170 - 450
7Low-alloy steel & Cast steel (less than 5% of alloying elements)Quenched & Tempered≤275 HBET315C170 - 450
8Low-alloy steel & Cast steel (less than 5% of alloying elements)Quenched & Tempered≤300 HBET315C170 - 450
9Low-alloy steel & Cast steel (less than 5% of alloying elements)Quenched & Tempered≤350 HBET315C170 - 450
10High-alloy steel, Cast steel & Tool steelAnnealed≤200 HBET315C60 - 180
11High-alloy steel, Cast steel & Tool steelQuenched & Tempered≤325 HBET315C60 - 180
Turning Calculator
Document

Turning Speeds Calculator

RPM
mtrs/min
mm

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