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Tiny Tools
Technical Section
Carbide Grades:
BXC (P30 - P50, K25 - K40)
PVD TiN coated grade for low cutting speed.
Works well with a wide range of stainless steels.
BMK (K10 - K20)
Sub-micron grade with advanced PVD triple coating. Extremely high heat
resistant and smooth cutting operation, for high performance, and normal machining conditions.
General purpose for all materials.
K20 (K10 - K30)
Uncoated Carbide grade for non ferrous metals, aluminum and cast iron.
Cutting speed for Tiny Tools*
Cutting Speed
ISO m/min
Material Condition
Standard
BXC BMK K20
<0.25%C Annealed
Non-Alloy steel and 0.25%C Annealed
cast steel, free < 0.55%C Quenched and tempered 25-70 30-80 15-30
P
cutting steel 0.55%C Annealed
0.55%C Quenched and tempered
Low alloy steel and cast steel (less Annealed
than 5% alloying elements) 20-40 25-50 10-20
Quenched and tempered
High alloy steel, cast steel, and tool Annealed
steel 20-40 25-50 10-20
Quenched and tempered
M
Ferritic/martensitic
Stainless steel and cast steel Martensitic 25-40 30-60 15-25
Austenitic
Ferritic/pearlitic
Cast iron nodular (GGG) 25-60 30-80 15-30
Pearlitic
K Grey cast iron (GG)
Ferritic
Pearlitic
Ferritic
30-70 30-80 20-40
Malleable cast iron 20-40 20-50 10-20
Pearlitic
Not cureable
Aluminum-wrought alloy 50-100 60-120 30-50
Cured
<=12% Si Not cureable
Aluminum-cast,
Cured 40-80 50-90 20-40
N
alloyed
>12% Si High temperature
>1% Pb Free cutting
Copper alloys Brass 30-60 30-70 20-40
Electrolytic copper
Duroplastics, fiber plastics
Non metalic 40-80 20-40
Hard rubber
Annealed
Fe based
Cured
S
High temp.
Annealed 15-30 15-40 10-20
alloys, Super alloys Ni or Co
Cured
based
Cast
Titanium alloys Alpha+beta alloys cured 10-30 10-30 5-15
Hardened 45-50 HRc
H
Hardened steel Hardened 51-55 HRc 10-30 15-40 5-15
Hardened 56-62 HRc
Chilled cast iron Cast 10-30 10-30 5-15
Cast iron Hardened 10-20 10-20 5-15
* For CMR see page 104 Recommended Feed Rate: 0.01 - 0.03 mm/rev
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