Page 339 - 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 2.3 2.33 Y89599 5P 1.875 0.335 0.562 - 0.141 0.11 0.187 3 030 f
No.4-40UNC
GH2 2.6 2.64 Y89601 5P 1.937 0.374 0.625 - 0.141 0.11 0.187 3 030 f SP
No.5-40UNC
GH3 2.8 2.83 Y89602 5P 2 0.413 0.687 - 0.141 0.11 0.187 3 030 f
No.6-32UNC
GH3 3.4 3.47 Y89604 5P 2.125 0.453 0.75 - 0.168 0.131 0.25 3 030 f
No.8-32UNC
GH3 3.89 3.9 Y89606 5P 2.375 0.531 0.875 - 0.194 0.152 0.25 3 030 f
No.10-24UNC
SL
GH3 5.1 5.19 Y89613 5P 2.5 0.591 1 - 0.255 0.191 0.312 3 042 f
1/4-20UNC
GH3 6.6 6.65 Y89615 5P 2.718 0.669 1.125 - 0.318 0.238 0.375 4 042 f
5/16-18UNC
GH3 8 8.07 Y89617 5P 2.937 0.748 1.25 - 0.381 0.286 0.437 4 042 f
3/8-16UNC
GH3 9.4 9.45 Y89619 5P 3.156 0.866 - - 0.323 0.242 0.406 4 007 f
7/16-14UNC PO
GH3 10.9 10.91 Y89621 5P 3.375 0.984 - - 0.367 0.275 0.437 4 007 f
1/2-13UNC
GH3 13.6 13.75 Y89625 5P 3.812 1.083 - - 0.48 0.36 0.562 4 007 f
5/8-11UNC
GH3 16.6 16.7 Y89627 5P 4.25 1.201 - - 0.59 0.422 0.687 4 007 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
ANSI
GH3 4.1 4.12 Y89607 5P 2.375 0.531 0.875 - 0.194 0.152 0.25 3 030 f
No.10-32UNF
ROLL
GH3 5.5 5.53 Y89614 5P 2.5 0.591 1 - 0.255 0.191 0.312 3 042 f
1/4-28UNF
GH3 6.9 6.97 Y89616 5P 2.718 0.669 1.125 - 0.318 0.238 0.375 4 042 f
5/16-24UNF
GH3 8.5 8.57 Y89618 5P 2.937 0.748 1.25 - 0.381 0.286 0.437 4 042 f
3/8-24UNF
GH3 9.9 9.96 Y89620 5P 3.156 0.866 - - 0.323 0.242 0.406 4 007 f
7/16-20UNF CARBIDE
GH3 11.5 11.54 Y89622 5P 3.375 0.984 - - 0.367 0.275 0.437 4 007 f
1/2-20UNF
GH3 14.5 14.6 Y89626 5P 3.812 1.083 - - 0.48 0.36 0.562 4 007 f
5/8-18UNF
GH3 17.5 17.59 Y89628 5P 4.25 1.201 - - 0.59 0.422 0.687 4 007 f
3/4-16UNF
LONG
HAND
TAPS
EG (STI)

SPECIAL
THREADS,
GAUGES

THREAD
MILLS

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. 337
Check page 673 of Technical info for full details.