Page 710 - Iscar

USER GUIDE
TAPS Tap Selection Guide and Cutting Speed Recommendations

Hole Type (4)
Tap Color Code (1)
Tool Material (1)
Surface Treatment/Coating (2)
Flute Hand and Angle
Lead According to DIN 2197 (3)
1 2 3 4 5 Hole Type (4)

Material Tensile Strength Hard-ness
No. Material Condition [N/mm2] HB Chip Coolant
1 < 0.25 %C Annealed 420 125 Ext. Long T
Non-alloy steel and
2 cast steel, free >= 0.25 %C Annealed 650 190 Medium T
3 cutting steel < 0.55 %C Quench and tempered 850 250 Long T
4 and cast steel >= 0.55 %C Annealed 750 220 Long T
7 (less than 5% 930 275 Long X
8 all elements) Quench and tempered 1000 300 Long X
9 1200 350 Long A
10 High alloyed steel, cast steel and Annealed 680 200 Long X
11 tool steel Quench and tempered 1100 325 Long X
12 Stainless steel Ferritic/Martensitis 680 200 Medium A
13 Martensitic 820 240 Long A
14 Stainless steel Austenitic 600 180 Long A
15 Cast iron nodular (GGG) Ferritic/pearlitic 180 Ext. Short X
16 Pearlitic 260 Ext. Short X
17 Ferritic 160 Short X
18 Grey cast iron (GG) Pearlitic 250 Ext. Short X
19 Ferritic 130 Short X
20 Malleable cast iron Pearlitic 230 Short X
21 Not cureable 60 Medium T
22 Aluminum-wrought alloy Cured 100 Medium T
23 <=12% Si Not cureable 75 Short T
24 Aluminum-cast, alloyed Cured 90 Short T
25 >12% Si High temp. 130 Short T
26 >1% Pb Free cutting 110 Med/Short T
27 Copper alloys Brass 90 Long T
28 Electrolitic copper 100 Long T
29 Non-metalic Duroplastics, fiber plastics Short Z
31 Fe based Annealed 200 Long A
32 High temp. alloys Cured 280 Long A
33 Ni or Co Annealed 250 Long A
34 Super alloys based Cured 350 Long A
35 Cast 250 Long A
36 400 Med/Short A
37 Titanium and Ti alloys Alpha+beta alloys cured 1050 Med/Short A

(1) See page 705 Coolant
(2) See page 717 A - Cutting oil
(3) See page 718 T - Oil emulsion
(4) See page 719 X - Oil or emulsion
Z - Dry or emulsion

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