Page 255 - 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
GH2 1.8 1.83 Y85523 4.5P 1.75 0.256 0.437 - 0.141 0.11 0.187 2 030 f
No.2-56UNC
GH2 2.3 2.33 Y85501 4.5P 1.875 0.335 0.562 - 0.141 0.11 0.187 2 030 f SP
GH3 2.3 2.33 Y85502 4.5P 1.875 0.335 0.562 - 0.141 0.11 0.187 2 030 f
No.4-40UNC
GH4 2.3 2.33 Y85504 4.5P 1.875 0.335 0.562 - 0.141 0.11 0.187 2 030 f
GH2 2.6 2.64 Y85503 4.5P 1.937 0.374 0.625 - 0.141 0.11 0.187 3 030 f
No.5-40UNC
SL
GH3 2.8 2.83 Y85505 4.5P 2 0.413 0.687 - 0.141 0.11 0.187 3 030 f
GH4 2.8 2.83 Y85524 4.5P 2 0.413 0.687 - 0.141 0.11 0.187 3 030 f
No.6-32UNC
GH5 2.8 2.83 Y85535 4.5P 2 0.413 0.687 - 0.141 0.11 0.187 3 030 f
GH7 2.8 2.83 Y85511 4.5P 2 0.413 0.687 - 0.141 0.11 0.187 3 030 f
PO
GH3 3.4 3.47 Y85507 4.5P 2.125 0.453 0.75 - 0.168 0.131 0.25 3 030 f
ANSI
GH4 3.4 3.47 Y85529 4.5P 2.125 0.453 0.75 - 0.168 0.131 0.25 3 030 f
GH5 3.4 3.47 Y85537 4.5P 2.125 0.453 0.75 - 0.168 0.131 0.25 3 030 f
No.8-32UNC
GH6 3.4 3.47 Y85560 4.5P 2.125 0.453 0.75 - 0.168 0.131 0.25 3 030 f ST
GH7 3.4 3.47 Y85567 4.5P 2.125 0.453 0.75 - 0.168 0.131 0.25 3 030 f
GH3 3.89 3.9 Y85509 4.5P 2.375 0.531 0.875 - 0.194 0.152 0.25 3 030 f
GH5 3.89 3.9 Y85539 4.5P 2.375 0.531 0.875 - 0.194 0.152 0.25 3 030 f
No.10-24UNC
ROLL
GH3 5.1 5.19 Y85513 4.5P 2.5 0.591 1 - 0.255 0.191 0.312 3 030 f
1/4-20UNC
GH5 5.1 5.19 Y85543 4.5P 2.5 0.591 1 - 0.255 0.191 0.312 3 030 f
GH3 6.6 6.65 Y85515 4.5P 2.718 0.669 1.125 - 0.318 0.238 0.375 3 030 f
GH5 6.6 6.65 Y85545 4.5P 2.718 0.669 1.125 - 0.318 0.238 0.375 3 030 f
5/16-18UNC CARBIDE
GH7 6.6 6.65 Y85553 4.5P 2.718 0.669 1.125 - 0.318 0.238 0.375 3 030 f
GH3 8 8.07 Y85517 4.5P 2.937 0.748 1.25 - 0.381 0.286 0.437 3 030 f
GH5 8 8.07 Y85547 4.5P 2.937 0.748 1.25 - 0.381 0.286 0.437 3 030 f
3/8-16UNC
LONG
GH3 9.4 9.45 Y85519 4.5P 3.156 0.866 - - 0.323 0.242 0.406 3 007 f
GH5 9.4 9.45 Y85549 4.5P 3.156 0.866 - - 0.323 0.242 0.406 3 007 f
7/16-14UNC
GH3 10.9 10.91 Y85521 4.5P 3.375 0.984 - - 0.367 0.275 0.437 3 007 f
GH5 10.9 10.91 Y85551 4.5P 3.375 0.984 - - 0.367 0.275 0.437 3 007 f HAND
1/2-13UNC
GH7 10.9 10.91 Y85581 4.5P 3.375 0.984 - - 0.367 0.275 0.437 3 007 f TAPS
GH3 13.6 13.75 Y85525 4.5P 3.812 1.083 - - 0.48 0.36 0.562 3 007 f
GH5 13.6 13.75 Y85555 4.5P 3.812 1.083 - - 0.48 0.36 0.562 3 007 f
5/8-11UNC
GH7 13.6 13.75 Y85585 4.5P 3.812 1.083 - - 0.48 0.36 0.562 3 007 f EG (STI)
GH3 16.6 16.7 Y85527 4.5P 4.25 1.201 - - 0.59 0.442 0.687 3 007 f
GH5 16.6 16.7 Y85557 4.5P 4.25 1.201 - - 0.59 0.442 0.687 3 007 f
3/4-10UNC
SPECIAL
TCTR Ø Hole Ø Code THCHT LF THL LU LS DCON K LK NOF Type Stock THREADS,
UNF (tolerance) (mm) (mm) (chamfer) (inch) (inch) (inch) (inch) (inch) (inch) (inch)
GAUGES
ANSI
GH2 2.9 2.97 Y85512 4.5P 2 0.413 0.687 - 0.141 0.11 0.187 3 030 f
No.6-40UNF
GH3 4.1 4.12 Y85510 4.5P 2.375 0.531 0.875 - 0.194 0.152 0.25 3 030 ) THREAD
GH4 4.1 4.12 Y85530 4.5P 2.375 0.531 0.875 - 0.194 0.152 0.25 3 030 f MILLS
GH5 4.1 4.12 Y85540 4.5P 2.375 0.531 0.875 - 0.194 0.152 0.25 3 030 f
GH6 4.1 4.12 Y85561 4.5P 2.375 0.531 0.875 - 0.194 0.152 0.25 3 030 f
No.10-32UNF
GH7 4.1 4.12 Y85570 4.5P 2.375 0.531 0.875 - 0.194 0.152 0.25 3 030 f DIES
GH2 4.1 4.12 Y85541 4.5P 2.375 0.531 0.875 - 0.194 0.152 0.25 3 030 f

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. 253
Check page 673 of Technical info for full details.