Page 189 - Yamawa_European_Catalogue_YEU21

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

UNC TCTR Ø Hole Ø Code THCHT LF LT THL LU LS DCON K LK NOF Type Stock Intro
(tolerance) (mm) (mm) (chamfer) ( inch ) ( inch ) ( inch ) ( inch ) ( inch ) ( inch ) ( inch ) ( inch )
ANSI
No.2-56UNC GH2 1.8 1.83 Y86500 2.5P 1.772 - 0.276 0.472 - 0.14 0.11 0.187 2 002 f
No.4-40UNC GH2 2.3 2.33 Y86501 2.5P 2.205 - 0.433 0.709 - 0.14 0.11 0.187 2 002 f SP
No.5-40UNC GH2 2.6 2.64 Y86502 2.5P 2.205 - 0.433 0.709 - 0.14 0.11 0.187 3 002 f
ANSI
No.6-32UNC GH3 2.8 2.83 Y86503 2.5P 2.205 - 0.512 0.787 - 0.14 0.11 0.187 3 002 f
No.8-32UNC GH3 3.4 3.47 Y86504 2.5P 2.48 - 0.512 0.827 - 0.17 0.131 0.25 3 002 f
SL
No.10-24UNC GH3 3.89 3.9 Y86505 2.5P 2.756 - 0.63 0.984 - 0.19 0.152 0.25 3 002 f
GH3 5.1 5.19 Y86507 2.5P 3.15 - 0.748 1.181 - 0.26 0.191 0.312 3 002 f
1/4-20UNC
GH5 5.1 5.19 Y86508 2.5P 3.15 - 0.748 1.181 - 0.26 0.191 0.312 3 002 f
5/16-18UNC GH3 6.6 6.65 Y86512 2.5P 3.543 - 0.866 1.378 - 0.32 0.238 0.375 3 002 f
PO
GH3 8 8.07 Y86516 2.5P 3.937 - 0.945 1.535 - 0.38 0.286 0.437 3 002 f
3/8-16UNC
GH5 8 8.07 Y86517 2.5P 3.937 - 0.945 1.535 - 0.38 0.286 0.437 3 002 f
7/16-14UNC GH3 9.4 9.45 Y86520 2.5P 3.937 - 0.945 - - 0.32 0.242 0.406 3 014 f
GH3 10.9 10.91 Y86524 2.5P 4.331 - 1.142 - - 0.37 0.275 0.437 3 014 f ST
1/2-13UNC
GH5 10.9 10.91 Y86525 2.5P 4.331 - 1.142 - - 0.37 0.275 0.437 3 007 f

UNF TCTR Ø Hole Ø Code THCHT LF LT THL LU LS DCON K LK NOF Type Stock
(tolerance) (mm) (mm) (chamfer) ( inch ) ( inch ) ( inch ) ( inch ) ( inch ) ( inch ) ( inch ) ( inch )
ROLL
ANSI
No.10-32UNF GH3 4.1 4.12 Y86506 2.5P 2.756 - 0.63 0.984 - 0.19 0.152 0.25 3 002 f
GH3 5.5 5.53 Y86509 2.5P 3.15 - 0.748 1.181 - 0.26 0.191 0.312 3 002 f
1/4-28UNF
GH4 5.5 5.53 Y86511 2.5P 3.15 - 0.748 1.181 - 0.26 0.191 0.312 3 002 f
CARBIDE
3/8-24UNF GH3 8.5 8.57 Y86518 2.5P 3.543 - 0.787 1.535 - 0.38 0.286 0.437 3 002 f
1/2-20UNF GH3 11.5 11.54 Y86526 2.5P 3.937 - 0.866 - - 0.37 0.275 0.437 3 007 f

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 off ers a wide range of alternative
tap classes allowing each customer to select the most suitable one according to application requirement. 187
Check page 673 of Technical info for full details.