Page 199 - Yamawa_European_Catalogue_YEU23

h stock standard, ) check stock EU, f check stock JP, m stock exhaustion

TCTR Ø Hole Ø Code THCHT LF THL LU LS DCON K LK NOF Type Stock Intro
UNC (tolerance) (mm) (mm) (chamfer) (inch) (inch) (inch) (inch) (inch) (inch) (inch)
ANSI
GH3 5.1 5.19 Y85613 5P 2.5 0.591 1 - 0.255 0.191 0.312 3 006 f
1/4-20UNC
GH5 5.1 5.19 Y85643 5P 2.5 0.591 1 - 0.255 0.191 0.312 3 006 f SP
GH3 6.6 6.65 Y85615 5P 2.718 0.669 1.125 - 0.318 0.238 0.375 3 006 f
5/16-18UNC
GH5 6.6 6.65 Y85645 5P 2.718 0.669 1.125 - 0.318 0.238 0.375 3 006 f
GH3 8 8.07 Y85617 5P 2.937 0.748 1.25 - 0.381 0.286 0.437 3 006 f
SL
GH5 8 8.07 Y85647 5P 2.937 0.748 1.25 - 0.381 0.286 0.437 3 006 f
3/8-16UNC
GH3 9.4 9.45 Y85619 5P 3.156 0.866 - - 0.323 0.242 0.406 3 007 f ANSI
7/16-14UNC
GH5 9.4 9.45 Y85649 5P 3.156 0.866 - - 0.323 0.242 0.406 3 007 f
GH3 10.9 10.91 Y85621 5P 3.375 0.984 - - 0.367 0.275 0.437 3 007 f
PO
1/2-13UNC
GH5 10.9 10.91 Y85651 5P 3.375 0.984 - - 0.367 0.275 0.437 3 007 f
GH3 13.6 13.75 Y85625 5P 3.812 1.083 - - 0.48 0.36 0.562 3 007 f
5/8-11UNC
GH3 16.6 16.7 Y85627 5P 4.25 1.201 - - 0.59 0.442 0.687 3 007 f
3/4-10UNC
ST
TCTR Ø Hole Ø THCHT LF THL LU LS DCON K LK
(tolerance) (mm) (mm) (chamfer) (inch) (inch) (inch) (inch) (inch) (inch) (inch)
UNF Code NOF Type Stock
ANSI
GH3 4.1 4.12 Y85610 5P 2.375 0.531 0.875 - 0.194 0.152 0.25 3 030 )
ROLL
GH4 4.1 4.12 Y85630 5P 2.375 0.531 0.875 - 0.194 0.152 0.25 3 030 f
GH5 4.1 4.12 Y85640 5P 2.375 0.531 0.875 - 0.194 0.152 0.25 3 030 f
No.10-32UNF
GH6 4.1 4.12 Y85661 5P 2.375 0.531 0.875 - 0.194 0.152 0.25 3 030 f
GH7 4.1 4.12 Y85670 5P 2.375 0.531 0.875 - 0.194 0.152 0.25 3 030 f
CARBIDE
GH3 5.5 5.53 Y85614 5P 2.5 0.591 1 - 0.255 0.191 0.312 3 006 )
GH4 5.5 5.53 Y85631 5P 2.5 0.591 1 - 0.255 0.191 0.312 3 006 f
GH5 5.5 5.53 Y85644 5P 2.5 0.591 1 - 0.255 0.191 0.312 3 006 f
1/4-28UNF
GH6 5.5 5.53 Y85662 5P 2.5 0.591 1 - 0.255 0.191 0.312 3 006 f LONG
GH7 5.5 5.53 Y85674 5P 2.5 0.591 1 - 0.255 0.191 0.312 3 006 f
GH3 6.9 6.97 Y85616 5P 2.718 0.669 1.125 - 0.318 0.238 0.375 3 006 )
GH4 6.9 6.97 Y85632 5P 2.718 0.669 1.125 - 0.318 0.238 0.375 3 006 f HAND
GH5 6.9 6.97 Y85646 5P 2.718 0.669 1.125 - 0.318 0.238 0.375 3 006 f TAPS
5/16-24UNF
GH6 6.9 6.97 Y85663 5P 2.718 0.669 1.125 - 0.318 0.238 0.375 3 006 f
GH7 6.9 6.97 Y85676 5P 2.718 0.669 1.125 - 0.318 0.238 0.375 3 006 f
GH3 8.5 8.57 Y85618 5P 2.937 0.748 1.25 - 0.381 0.286 0.437 3 006 ) EG (STI)
GH4 8.5 8.57 Y85633 5P 2.937 0.748 1.25 - 0.381 0.286 0.437 3 006 f
GH5 8.5 8.57 Y85648 5P 2.937 0.748 1.25 - 0.381 0.286 0.437 3 006 f
3/8-24UNF
GH6 8.5 8.57 Y85664 5P 2.937 0.748 1.25 - 0.381 0.286 0.437 3 006 f SPECIAL
GH7 8.5 8.57 Y85678 5P 2.937 0.748 1.25 - 0.381 0.286 0.437 3 006 f THREADS,
GAUGES
GH3 9.9 9.96 Y85620 5P 3.156 0.866 - - 0.323 0.242 0.406 3 007 f
7/16-20UNF
GH5 9.9 9.96 Y85650 5P 3.156 0.866 - - 0.323 0.242 0.406 3 007 f
GH3 11.5 11.54 Y85622 5P 3.375 0.984 - - 0.367 0.275 0.437 3 007 f THREAD
1/2-20UNF MILLS
GH5 11.5 11.54 Y85652 5P 3.375 0.984 - - 0.367 0.275 0.437 3 007 f
GH3 14.5 14.6 Y85626 5P 3.812 1.083 - - 0.48 0.36 0.562 3 007 f
5/8-18UNF
GH3 17.5 17.59 Y85628 5P 4.25 1.201 - - 0.59 0.442 0.687 3 007 f
3/4-16UNF
DIES

CENTER
DRILLS

Technical
info

The most suitable GH tap class to cut accurate 2B, 3B (UNJ) and 2B oversized internal threads tolerance, depends
on application conditions and work-piece materials. Yamawa GH class system offers a wide range of alternative
tap classes allowing each customer to select the most suitable one according to application requirement. 197
Check page 673 of Technical info for full details.