Page 107 - HOLE MAKING CATALOG p185-310

USER GUIDE
ISO
Tensile Strength
[N/mm2]
Hardness HB
Material
Group No.

GUNDRILLS
Machining Recommendations for TRIDEEP Drills

TOGT

Feed per insert size "GF" & "DT"

V m/min 06 07 08 09 10 11 12 13
0.06-0.12
Material Condition mm/rev 0.08-0.18
Annealed 0.06-0.10
< 0.25 %C Annealed 420 125 1 0.08-0.16 0.06-0.12
Quenched and 650 190 2 0.08-0.18
Non-alloy >= 0.25 %C tempered 0.04-0.08 0.04-0.10 0.04-0.12 0.06-0.10 0.02-0.06
Annealed 850 250 3 0.08-0.14 0.08-0.16 0.06-0.20 0.08-0.16 0.04-0.12
steel and cast < 0.55 %C Quenched and 0.05-0.18
tempered 750 220 4 0.04-0.08 0.04-0.10 0.06-0.10 0.06-0.10 0.08-0.30
steel, free >= 0.55 %C Annealed 0.08-0.14 0.08-0.16 0.08-0.16 0.08-0.16
cutting steel 1000 300 5 0.02-0.06 0.02-0.06 0.02-0.06 0.02-0.06 0.03-0.18
Quenched and 0.04-0.12 0.04-0.12 0.04-0.12 0.04-0.12 0.08-0.20
P Low alloy and cast steel (less tempered 600 200 6 80-120 0.03-0.15 0.03-0.15 0.05-0.18 0.05-0.18
than 5% of alloying elements) 930 275 7 0.08-0.25 0.08-0.25 0.08-0.25 0.08-0.30 0.08-0.16
Annealed 1000 300 8 50-100
High alloyed steel, cast Quenched and 1200 350 9 50-100 0.03-0.15 0.03-0.15 0.03-0.18 0.05-0.18
steel and tool steel 680 200 10 80-120 0.08-0.20 0.08-0.20 0.08-0.20 0.08-0.20
tempered
Stainless steel and cast steel Ferritic/ 1100 325 11 80-160 0.08-0.14 0.08-0.16 0.08-0.16 0.08-0.16
martensitic.
M Stainless steel and cast steel Martensitic 680 200 12 20-50
Austenitic,
Grey cast iron (GG) duplex 820 240 13
Ferritic/pearlitic
K Cast iron nodular (GGG) Pearlitic / 600 180 14
martensitic
Malleable cast iron Ferritic 180 15
Pearlitic
Aluminum-wrought alloys Ferritic 260 16
Pearlitic
Aluminum- <=12% Si Not hardenable 160 17
cast alloys >12% Si Hardenable 250 18
Not hardenable 130 19
N >1% Pb Hardenable 230 20
60 21
Copper alloys High 100 22
temperature 75 23
Non metallic Free cutting 90 24

S High temp. Fe based Brass 130 25
alloys Electrolitic
Ni or Co 110 26
based copper 90 27
Duroplastics,
fiber plastics 100 28
Hard rubber
200 29
Annealed 280
Hardened 250 30
Annealed 350 31
Hardened 320 32
33
Cast 34
35

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