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Solid Threading Endmills for Internal Thread with Coolant Hole in the Flutes Solid Threading Endmills for Internal Thread with Coolant Hole in the Flutes

ISO 60 ° METRIC .
W 55 ° WHIT WORTH ( BSW BSF, BSP, BSB )
ap ap
P >i \< P
D —— dh6 D —= dh6
15
\ 15
\
1 / 8P R0.137P
Screw Screw
•Application: General engineering •Application: General engineering
fittings and pipe couplings

Dimension ( mm ) Dimension ( mm )
Pitch M Designation TPI BSP No . of flutes
Designation ( mm ) M coarse No . of flutes d D ap L
fine d D ap L SMTZ 08078 C 14 28 W 28 G1 / 8 8 7.8 14.1 64 3
SMTZ 1010 D 21 1.50 ISO 1.50 cp > 14 10 10.0 21.8 73 4 1010 D 16 19 W 19 G1/4 -3/8 10 10.0 16.7 73 4
1212 D 26 1.50 ISO 1.50 cp > 16 12 12.0 26.3 84 4 1616 E 26 14 W 14 G1/ 2 -7/8 16 16.0 26.3 101 5
1616 D 38 11 W 11 G >1 16 16.0 38.1 101 4
1616 E 33 1.50 ISO 1.50 cp > 20 16 16.0 33.8 101 5
1009 C 20 1.75 ISO 1.75 M 12 cp > 12 10 9.0 20.1 73 3
1009 C 28 1.75 ISO 1.75 M 12 cp > 12 10 9.0 28.9 73 3 NPT 60 ° NATIOANL PIPE
1010 C 27 2.00 ISO 2.00 M 14 cp > 15 10 10.0 27.0 73 3
12118 D 27 2.00 ISO 2.00 M 16 q > 17
) 12 11.8 27.0 84 4
ap
1615 E 33 2.50 ISO 2.00 M 20 cp > 22 16 15.0 33.8 101 5
D dh6
UN 60 ° AMERICAN UN ( UNC UNF UNEF UNS )
90°(* Taper 1:16
107
15
\ 108
• Application: Steam , gas and water pipes
ap
Dimension ( mm )
D dh6 Designation TPI NPT No . of flutes
d D ap L
1 / 8P Screw
15
\ SMTZ 08076 C 10 27 NPT 27 1/8 8 7.6 10.8 64 3
•Application: General engineering 1010 D 16 18 NPT 18 1/4-3/8 10 10.0 16.2 73 4
16155 D 22 14 NPT 14 1 / 2-3 / 4 16 15.5 22.7 105 4
Dimension ( mm ) No . of BSPT 55 ° BRITISH STANDARD PIPE
Designation TPI UNC UNF UNEF
d D ap L flutes
ap
SMTZ 1010 D 22 20 UN 20 1/2 10 10.0 22.3 73 4

SBH
ntt-
1212 E 27 20 UN 20 3 / 4 -1 12 12.0 27.3 84 5 D dh6
06056 C 14 18 UN 18 5 / 16 6 5.6 14.8 58 3 15?
*
L
12113 D 26 18 UN 18 9 / 16 - 5 / 8 11/ 8 -1 5 / 8 12 11.3 26.1 84 4 90 /1RO137P
T f ' Screw
08067 C 16 16 UN
1212 D 31 16 UN
16
16
3/8
3/4
8
12
6.7
12.0
16.7
31.0
64
84
3
4
• Application : Steam, gas and water pipes

08077 C 20 14 UN 14 7 / 16 8 7.7 20.9 64 3
1616 E 37 14 UN 14 7/8 16 16.0 37.2 105 5 Designation Dimension ( mm )
TPI BSPT No . of flutes
10092 C 22 13 UN 13 1/2 10 9.2 22.5 73 3 d D ap L
SMTZ 08078 C 14 28 BSPT 28 RC 1 / 8 8 7.8 14.1 64 3
12105 C 26 12 UN 12 9 / 16 12 10.5 26.5 84 3
1010 D 16 19 BSPT 19 RC 1 / 4 - 3 / 8 10 10.0 16.7 73 4
12114 C 28 11 UN 11 5/8 12 11.4 28.9 84 3 1616 E 26 14 BSPT 14 RC 1 / 2 - 7 / 8 16.0 5
16 26.3 101
16144 D 34 10 UN 10 3/4 16 14.4 34.3 101 4 1616 D 28 11 BSPT 11 RC 1 - 2 16 16.0 38.1 101 4