Page 13 - HOLE_MAKING_CATALOG_INCH_2022_P237-P372

USER GUIDE

Machining Recommendations for TRIDEEP BTA Drilling Heads
Tensile Material Cutting Feed : f (IPR)
Strength Group Hardness Speed Drill dia. (inch)
ISO Material Condition [ksi] No. (1) (HB) Chipbreaker Vc (SFM) Ø.630-.709 Ø.7091-1.575
GF 165 - 330 .001 - .004 .001 - .004
<0.25% C Annealed 61 1 125 DT 260 - 460 .002 - .004 .002 - .004
≥0.25% C Annealed 94 2 190 GF 165 - 330 .001 - .004 .001 - .004
Non-alloy steel DT 260 - 460 .002 - .004 .002 - .004
and cast steel, free <0.55% C Quenched and tempered 123 3 250 GF 165 - 330 .001 - .004 .001 - .005
260 - 460 .002 - .006
DT
.002 - .008
cutting steel GF 165 - 330 .001 - .004 .001 - .005
Annealed 109 4 220 DT 260 - 460 .002 - .006 .002 - .008 DEEP DRILLING - BTA SYSTEM
≥0.55% C GF 165 - 330 .001 - .004 .001 - .005
Quenched and tempered 145 5 300 DT 260 - 460 .002 - .006 .002 - .008
GF 165 - 330 .001 - .004 .001 - .004
Annealed 87 6 200 DT 260 - 460 .002 - .004 .002 - .004
P Low alloy and cast steel 135 7 275 GF 165 - 330 .001 - .004 .001 - .004
.002 - .004
DT
260 - 460 .002 - .004
(less than 5% of alloying elements) Quenched and tempered 145 8 300 GF 165 - 330 .001 - .004 .001 - .004
DT 260 - 460 .002 - .004 .002 - .004
174 9 350 GF 165 - 330 .001 - .004 .001 - .004
260 - 460 .002 - .004
.002 - .004
DT
GF 165 - 330 .001 - .004 .001 - .005
High alloyed steel, cast Annealed 99 10 200 DT 260 - 395 .002 - .006 .002 - .008
steel and tool steel Quenched and tempered 160 11 325 GF 165 - 330 .001 - .004 .001 - .005
.002 - .008
DT
260 - 395 .002 - .006
Ferritic/martensitic 99 12 200 GF 165 - 330 .001 - .002 .001 - .002
Stainless steel and cast steel DT 195 - 330 .002 - .004 .002 - .004
Martensitic 119 13 240 GF 165 - 330 .001 - .002 .001 - .002
DT 195 - 330 .002 - .004 .002 - .004
M Stainless steel and cast steel Austenitic, duplex 87 14 180 GF 165 - 330 .001 - .002 .001 - .002
.002 - .004
195 - 330 .002 - .004
DT
GF 165 - 330 .001 - .006 .002 - .007
Ferritic/pearlitic 15 180 DT 260 - 460 .002 - .01 .002 - .012
Grey cast iron (GG) GF 165 - 330 .001 - .006 .002 - .007
Pearlitic/martensitic 16 260 DT 260 - 460 .002 - .01 .002 - .012
Ferritic 17 160 GF 165 - 330 .001 - .006 .002 - .007
K Nodular cast iron (GGG) DT 260 - 460 .002 - .01 .002 - .012
Pearlitic 18 250 GF 165 - 330 .001 - .006 .002 - .007
DT 260 - 460 .002 - .01 .002 - .012
Ferritic 19 130 GF 165 - 330 .001 - .006 .002 - .007
Malleable cast iron DT 260 - 460 .002 - .01 .002 - .012
.002 - .007
GF
165 - 330 .001 - .006
Pearlitic 20 230 DT 260 - 460 .002 - .01 .002 - .012
GF 260 - 525 .001 - .006 .001 - .006
Not hardenable 21 60 DT 330 - 655 .002 - .008 .002 - .008
Aluminum-wrought alloys GF 260 - 525 .001 - .006 .001 - .006
Hardenable 22 100 DT 330 - 655 .002 - .008 .002 - .008
Not hardenable 23 75 GF 260 - 525 .001 - .006 .001 - .006
≤12% Si DT 330 - 655 .002 - .008 .002 - .008
Aluminum- cast alloys Hardenable 24 90 GF 260 - 525 .001 - .006 .001 - .006
DT
N GF 330 - 655 .002 - .008 .002 - .008
260 - 525 .001 - .006
.001 - .006
>12% Si High temperature 25 130 DT 330 - 655 .002 - .008 .002 - .008
GF 260 - 525 .001 - .006 .001 - .006
>1% Pb Free cutting 26 110 DT 330 - 655 .002 - .008 .002 - .008
GF 260 - 525 .001 - .006 .001 - .006
Copper alloys Brass 27 90 DT 330 - 655 .002 - .008 .002 - .008
Electrolitic copper 28 100 GF 260 - 525 .001 - .006 .001 - .006
DT
330 - 655 .002 - .008
.002 - .008
Annealed 31 200 GF 165 - 330 .001 - .002 .001 - .002
Fe based DT 195 - 330 .002 - .004 .002 - .004
Hardened 32 280 GF 165 - 330 .001 - .002 .001 - .002
DT 195 - 330 .002 - .004 .002 - .004
High temperature alloys Annealed 33 250 GF 65 - 165 .001 - .002 .001 - .003
.002 - .004
65 - 165 .002 - .003
DT
Ni or Co GF 65 - 165 .001 - .002 .001 - .003
S based Hardened 34 350 DT 65 - 165 .002 - .003 .002 - .004
Cast 35 320 GF 65 - 165 .001 - .002 .001 - .003
DT
.002 - .004
65 - 165 .002 - .003
Pure 58 36 GF 100 - 195 .001 - .004 .001 - .005
100 - 195 .002 - .005
.002 - .006
DT
Titanium alloys Alpha+Beta alloys GF 100 - 195 .001 - .004 .001 - .005
hardened 152 37 DT 100 - 195 .002 - .005 .002 - .006
H Hardened steel ≥40HRC Hardened 38 GF 130 - 330 .001 - .003 .001 - .003
165 - 330 .002 - .003
.002 - .004
DT
(1) For material groups see pages 573-604
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