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High-Performance Taps
Application Data
„ 
HSS-E-PM Taps • Metric
Through Holes
Blind Holes
Range — m/min
Material
Group
P1
P2
P
K
S
min max Tap Style Grade min Starting
Value GT20 GP6520 20 30 45
max
GT30, GT32, GT50 GP6520 14 21 32
GT24 WU32MG 20 30 45 GT24, GT26 WU32MG 14 21 32
GT20 GP6520 17 25 38 GT30, GT32, GT50 GP6520 12 18 26
GT24 WU32MG 17 25 38 GT24, GT26 WU32MG 12 18 26
14
GT20 GP6520 12 15 20 GT30, GT32, GT50 GP6520 8 11 GT00 WP31MG 5 6 8 GT02, GT04 WP31MG 3 4 5
P5 GT20 GP6520 12 15 20 GT30, GT32, GT50 GP6520 8 11 14
P6 GT00 WP31MG 6 8 10 GT02, GT04 WP31MG 4 6 7
GT20 GM6515 12 15 20 GT30, GT32, GT50 GM6515 8 11 14
GT24 WU32MG 5 8 12 GT24, GT26 WU32MG 4 6 8
11
M2 GT20 GM6515 9 12 16 GT30, GT32, GT50 GM6515 6 8 M3 GT00 WP31MG 4 5 7 GT02, GT04 WP31MG 3 4 5
K1 GT40 GP6520 27 35 46 GT40, GT42 GP6520 19 25 32
K2 GT40 GP6520 23 30 39 GT40, GT42 GP6520 16 21 27
GT72 WN44EG 33 50 65 GT82, GT86 WN44EG 23 35 46
GT22 WN48EG 37 55 72 GT22 WN48EG 26 39 50
GT40 GP6520 30 45 59 GT40, GT42 GP6520 21 32 41
GT72 WN44EG 30 45 59 GT82, GT86 WN44EG 21 32 41
GT22 WN38MG 33 50 65 GT22 WN38MG 23 35 46
N4 GT40 GP6520 7 10 15 GT40, GT42 GP6520 5 7 11
S1 GT20 GP6520 8 12 18 GT30, GT32 GP6520 6 8 13
GT90 WU32MG 3,3 5,0 7,5 GT92, GT94 WU32MG 2,3 3,5 5,3
N2
S2, S3
GT90 WS39MG 1,7 2,5 3,8 GT92, GT94 WS39MG 1,2 1,8 2,6
GT60 WS34MG 2,7 4,0 6,0 GT62 WS34MG 1,9 2,8 4,2
GT60 WS30MG 1,3 2,0 3,0 GT62 WS30MG 0,9 1,4 2,1
H1 GT06 WN35MG 1,3 2,0 3,0 GT06 WN35MG 0,9 1,4 2,1
H2 GT06 WN35MG 1,0 1,5 2,3 GT06 WN35MG 0,7 1,1 1,6
S4
H
Grade P4
N1
N
Tap Style P3
M1
M
Range — m/min
Starting
Value
™
widia.com
Y85
NOTE: Increase speed by up to 25% when using coolant taps (GT21, GT23, GT31, GT33 GT41, GT43, and GT51). Use grade GP6505 in steels.
Use 50% of the recommended speed listed for grade GP6520 ™ .