Page 253 - 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 Y86200 5P 1.772 0.276 0.472 - 0.141 0.11 0.187 2 030 f
No.2-56UNC
GH2 2.3 2.33 Y86201 5P 2.205 0.433 0.709 - 0.141 0.11 0.187 2 030 f SP
No.4-40UNC
GH2 2.6 2.64 Y86202 5P 2.205 0.433 0.709 - 0.141 0.11 0.187 3 030 f
No.5-40UNC
GH3 2.8 2.83 Y86203 5P 2.205 0.512 0.787 - 0.141 0.11 0.187 3 030 f
No.6-32UNC
GH3 3.4 3.47 Y86204 5P 2.48 0.512 0.827 - 0.168 0.131 0.25 3 030 f
No.8-32UNC
SL
GH3 3.89 3.9 Y86205 5P 2.756 0.63 0.984 - 0.194 0.152 0.25 3 030 f
No.10-24UNC
GH3 5.1 5.19 Y86207 5P 3.15 0.748 1.181 - 0.255 0.191 0.312 3 030 f
1/4-20UNC
GH5 5.1 5.19 Y86208 5P 3.15 0.748 1.181 - 0.255 0.191 0.312 3 030 f
GH3 6.6 6.65 Y86212 5P 3.543 0.866 1.378 - 0.318 0.238 0.375 3 030 f
PO
5/16-18UNC
GH5 6.6 6.65 Y86213 5P 3.543 0.866 1.378 - 0.318 0.238 0.375 3 030 f
ANSI
GH3 8 8.07 Y86216 5P 3.937 0.945 1.535 - 0.381 0.286 0.437 3 030 f
3/8-16UNC
GH5 8 8.07 Y86217 5P 3.937 0.945 1.535 - 0.381 0.286 0.437 3 030 f
GH3 9.4 9.45 Y86220 5P 3.937 0.945 - - 0.323 0.242 0.406 3 007 f ST
7/16-14UNC
GH5 9.4 9.45 Y86221 5P 3.937 0.945 - - 0.323 0.242 0.406 3 007 f
GH3 10.9 10.91 Y86224 5P 4.331 1.142 - - 0.367 0.275 0.437 3 007 f
1/2-13UNC
GH5 10.9 10.91 Y86225 5P 4.331 1.142 - - 0.367 0.275 0.437 3 007 f
ROLL
TCTR Ø Hole Ø Code THCHT LF THL LU LS DCON K LK NOF Type Stock
UNF (tolerance) (mm) (mm) (chamfer) (inch) (inch) (inch) (inch) (inch) (inch) (inch)
ANSI
GH3 4.1 4.12 Y86206 5P 2.756 0.63 0.984 - 0.194 0.152 0.25 3 030 f
No.10-32UNF CARBIDE
GH3 5.5 5.53 Y86209 5P 3.15 0.748 1.181 - 0.255 0.191 0.312 3 030 f
GH4 5.5 5.53 Y86211 5P 3.15 0.748 1.181 - 0.255 0.191 0.312 3 030 f
1/4-28UNF
GH3 6.9 6.97 Y86214 5P 3.543 0.866 1.378 - 0.318 0.238 0.375 3 030 f
5/16-24UNF LONG
GH4 6.9 6.97 Y86215 5P 3.543 0.866 1.378 - 0.318 0.238 0.375 3 030 f
GH3 8.5 8.57 Y86218 5P 3.543 0.787 1.535 - 0.381 0.286 0.437 3 030 f
3/8-24UNF
GH4 8.5 8.57 Y86219 5P 3.543 0.787 1.535 - 0.381 0.286 0.437 3 030 f
GH3 9.9 9.96 Y86222 5P 3.937 0.945 - - 0.323 0.242 0.406 3 007 f HAND
7/16-20UNF
GH5 9.9 9.96 Y86223 5P 3.937 0.945 - - 0.323 0.242 0.406 3 007 f TAPS
GH3 11.5 11.54 Y86226 5P 3.937 0.866 - - 0.367 0.275 0.437 3 007 f
1/2-20UNF
GH5 11.5 11.54 Y86227 5P 3.937 0.866 - - 0.367 0.275 0.437 3 007 f
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. 251
Check page 673 of Technical info for full details.