Page 59 - Aluminum_Machining_catalog_2023

½ TAPS

Taps

Tap Selection Guide and Cutting Speed Recommendations
Hole Type (4) tap color code (1) W (1) M M M M M M N H F
tool material (1) HSS HSS-E HSS-E HSS-E HSS-E HSS-E HSS-E HSS-E HSS-E HSS-E
surface treatment/coating (2) - - TI ST - TI ST ST ST TI
flute hand and angle - - - - R40° R40° R40° R40° R40° -
lead according to DIN 2197 (3) 1\2\3 B B B C C C C C C
1-2-3- 1-2-3-
1 2 3 4 5 Hole Type (4) 4-5 4-5 4-5 1-2-3 1-2-3 1-2-3 1-2-3 1-2-3
4-5 4-5
Material No. Hardness HB Coolant

Chip
Condition
Material
• 25-35 • 50-70 • 12-25 •• 25-35 • 30-60 • 12-25 •• 12-25 •• 25-35 ••
21 aluminum- not cureable 60 medium T m/min m/min m/min m/min m/min m/min m/min m/min m/min m/min
22 wrought alloy cured 100 medium T • 25-35 • 50-70 • 12-25 •• 25-35 • 30-60 • 12-25 •• 12-25 •• 25-35 ••
23 aluminum- <=12% Si not cureable 75 short T • 10-15 • 10-40 • 10-25 •• 10-15 • 15-40 • 10-25 •• 10-25 •• 10-15 ••
24 cast, cured 90 short T • 10-15 • 10-40 • 10-25 •• 10-15 • 15-40 • 10-25 •• 10-25 •• 10-15 ••
25 alloyed >12% Si high temp. 130 short T • 10-15 • 10-30 • 10-20 •• 10-15 • 15-30 • 10-20 •• 10-20 •• 10-15 ••
med/
26 >1% Pb free cutting 110 short T • 25-35 • 50-70 • 20-40 •• 25-35 • 30-65 • 20-40 •• 20-40 •• 25-35 •• 17-40
copper
27 brass 90 long T • 15-20 • 5-60 • 13-30 •• 15-20 • 20-45 • 13-30 •• 13-30 •• 15-20 •• 20-60
alloys
28 electrolitic 100 long T • 15-20 • 5-25 • 10-17 •• 15-20 • 15-30 • 10-17 •• 10-17 •• 15-20 •• 20-60
copper
duroplastics,
29 non metallic short Z • 6-10 • 5-25 • 6-13 •• 6-10 • 10-20 • 6-13 •• 6-13 •• 6-10 ••
fiber plastics
(1) See page 58 Coolant • Recommended
(2) See page 65 T -oil emulsion •• Suitable
(3) See page 66 Z -dry or emulsion (1) Hand tap
(4) See page 66

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