Page 23 - HOLE MAKING CATALOG p185-310

USER GUIDE
ISO

DEEP DRILLING - BTA SYSTEM
Machining Recommendations for FINEBEAM Drills

Tensile Material Cutting Feed : f (mm/rev)
Strength Group speed Vc
[N/mm2] No.(1) Hardness (m/min) Drill dia. (mm)
(HB) 70 - 130
Material Condition 420 1 125 Chipbreaker 70-130 25.00 - 43.00 43.01 - 89.00
Annealed 190 HF 70-130
Non-alloy < 0.25 %C 650 2 250 G 70-130 0.11 - 0.41 0.14-0.45
steel and cast Annealed 220 HF 70-130 0.10-0.30 0.12-0.35
steel, free >= 0.25 Quenched and 850 3 300 G 70-130 0.11-0.41 0.14-0.45
cutting steel %C 200 HF 70-130 0.10-0.30 0.12-0.35
tempered 750 4 275 G 70-130 0.11-0.41 0.14-0.45
< 0.55 %C Annealed 300 HF 70-130 0.10-0.30 0.12-0.35
Quenched and 350 G 70-130 0.11-0.41 0.14-0.45
>= 0.55 tempered 200 HF 70-120 0.10-0.30 0.12-0.35
%C Annealed 325 G 70-120 0.11-0.41 0.14-0.45
200 HF 55-110 0.10-0.30 0.12-0.35
Quenched and 1000 5 240 G 60-120 0.11-0.41 0.20-0.45
tempered 180 HF 55-110 0.10-0.30 0.12-0.35
600 6 180 G 60-120 0.11-0.41 0.20-0.45
260 HF 55-110 0.10-0.30 0.12-0.35
P Low alloy and cast steel (less 930 7 160 G 60-120 0.11-0.41 0.20-0.45
than 5% of alloying elements) 250 HF 55-110 0.10-0.30 0.12-0.35
1000 8 130 G 70-130 0.11-0.41 0.20-0.45
230 HF 55-110 0.10-0.30 0.12-0.35
1200 9 60 G 70-130 0.11-0.38 0.20-0.40
100 HF 40-110 0.10-0.30 0.12-0.35
High alloyed steel, cast Annealed 680 10 75 G 70-130 0.11-0.38 0.20-0.40
steel and tool steel 11 90 HF 40-110 0.10-0.30 0.12-0.35
Quenched and High tem1p.1a0ll0oys 12 130 G 70-130 0.11-0.41 0.20-0.45
Stainless steel tempered 13 110 HF 40-110 0.10-0.30 0.12-0.35
and cast steel 90 G 70-130 0.11-0.41 0.20-0.45
Ferritic/martensitic 680 100 HF 50-110 0.10-0.30 0.12-0.35
200 G 50-110 0.11-0.41 0.20-0.45
Martensitic 820 280 HF 50-110 0.10-0.30 0.12-0.35
250 G 50-110 0.11-0.38 0.24-0.41
M Stainless steel and cast steel Austenitic, duplex 600 14 350 HF 50-110 0.10-0.25 0.12-0.35
320 G 50-110 0.11-0.38 0.24-0.41
Grey cast iron (GG) Ferritic/pearlitic 15 HF 50-110 0.10-0.25 0.12-0.35
Pearlitic/martensitic 16 G 50-110 0.11-0.38 0.24-0.41
HF 50-110 0.10-0.25 0.12-0.35
K Nodular cast iron (GGG) Ferritic 17 G 50-110 0.11-0.38 0.24-0.41
Pearlitic 18 HF 50-110 0.10-0.25 0.12-0.35
G 50-110 0.11-0.38 0.24-0.41
Malleable cast iron Ferritic 19 HF 65-150 0.10-0.25 0.12-0.35
Pearlitic 20 G 65-130 0.11-0.38 0.24-0.41
HF 65-150 0.10-0.25 0.12-0.35
Aluminum-wrought alloys Not hardenable 21 G 65-130 0.09-0.33 0.24-0.35
Hardenable 22 HF 65-150 0.10-0.25 0.12-0.35
G 65-130 0.09-0.33 0.24-0.35
Aluminum- ≤ 12% Si Not hardenable 23 HF 65-150 0.08-0.23 0.12-0.27
N cast alloys >12% Si Hardenable 24 G 65-130 0.09-0.33 0.24-0.35
25 HF 65-150 0.08-0.23 0.12-0.27
High temperature G 65-130 0.09-0.33 0.24-0.35
HF 65-150 0.08-0.23 0.12-0.27
>1% Pb Free cutting 26 G 65-130 0.09-0.33 0.24-0.35
HF 65-150 0.08-0.23 0.12-0.27
Copper alloys Brass 27 G 65-130 0.09-0.33 0.24-0.35
HF 65-150 0.08-0.23 0.12-0.27
Electrolitic copper 28 G 65-130 0.09-0.33 0.24-0.35
HF 0.08-0.23 0.12-0.27
High temp. Fe base Annealed 31 G 20-55 0.09-0.33 0.24-0.35
alloys Hardened 32 HF 20-50 0.08-0.23 0.12-0.27
Ni / Co Annealed 33 G 20-55 0.09-0.30 0.20-0.33
S base Hardened 34 HF 20-50 0.08-0.23 0.12-0.27
35 G 20-55 0.09-0.30 0.20-0.33
Cast HF 20-50 0.08-0.23 0.12-0.27
G 20-55 0.09-0.30 0.20-0.33
Titanium alloys Pure 400 36 HF 20-50 0.08-0.23 0.12-0.27
H Hardened steel ≥ 40HRC 1050 37 G 20-55 0.09-0.30 0.20-0.33
Alpha+beta alloys 38 HF 20-50 0.08-0.23 0.12-0.27
hardened G 30-60 0.09-0.30 0.20-0.33
HF 30-60 0.08-0.23 0.12-0.27
Hardened G 30-60 0.09-0.30 0.20-0.33
HF 30-60 0.08-0.23 0.12-0.27
G 30-60 0.09-0.30 0.20-0.33
HF 30-60 0.08-0.23 0.12-0.27
G 0.09-0.30 0.20-0.33
0.08-0.23 0.12-0.27

(1) For material groups see pages 495-524 207