MACHINE TAPS FOR UNC THREADS
Standard
876
5726
881
1981
1986
3993
DIN 371
DIN 371
DIN 376
DIN 371
DIN 376
DIN/ANSI
Tool material
HSS-E
TAPS
Guhring no.
BLIND HOLE
HSS-E-PM
Surface
S
Type Form Cutting direction
N
N
C
C
N
right-hand right-hand
Tolerance
VA
C
C
right-hand
right-hand
VA
N
C
C
right-hand right-hand
2B
2B
2B
2B
2B
2B
10-15
10-15
10-15
6-12
6-12
6-12
Application Cutting speed m/min
d2
d1
SW
l2
dk
l1
d1
P
d2
SW
dk
I1
l2
Code
inch
inch
mm
mm
mm
mm
mm
no.
No.2 No.3 No.4 No.5 No.6 No.8 No.10 No.12 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1"
56 48 40 40 32 32 24 24 20 18 16 14 13 12 11 10 9 8
2.80 2.80 3.50 3.50 4.00 4.50 6.00 6.00 7.00 8.00 10.00 8.00 9.00 11.00 12.00 14.00 18.00 18.00
2.10 2.10 2.70 2.70 3.00 3.40 4.90 4.90 5.10 6.20 7.00 6.20 7.00 9.00 9.00 11.00 14.50 14.50
1.85 2.10 2.35 2.65 2.65 3.50 3.90 4.50 5.10 6.60 8.00 9.40 10.75 14.00 13.50 16.50 19.50 22.25
45.00 50.00 56.00 56.00 56.00 63.00 70.00 80.00 80.00 90.00 90.00 100.00 110.00 110.00 110.00 125.00 140.00 160.00
8.00 9.00 6.50 6.50 8.00 8.00 11.00 11.00 13.00 14.00 16.00 18.00 20.00 21.00 24.00 25.00 28.00 32.00
2.184 2.515 2.845 3.175 3.505 4.166 4.826 5.486 6.350 7.938 9.525 11.113 12.700 14.288 15.875 19.050 22.225 25.400
bright
steam tempered
nitrided
AVAILABILITY • • • • • • • • • •
• • • • • • • • • • • •
P AlCrN
• • • •
TiN
m m m m m
• • • • • • • • • • •
C TiCN
m
• • • • •
• • • • • • • • • m
Carbo
93 universal
general steel
tool steel
stainless steel
Aluminium
cast materials