Page 195 - 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
GH3 5.1 5.19 Y87613 3P 2.5 - 0.433 1 - 0.26 0.191 0.312 3 002 f
1/4-20UNC
GH3 5.1 5.19 Y87628 1.5P 2.5 - 0.433 1 - 0.26 0.191 0.312 3 002 f SP
GH3 6.6 6.65 Y87615 3P 2.718 - 0.472 1.125 - 0.32 0.238 0.375 3 002 f
5/16-18UNC ANSI
GH3 6.6 6.65 Y87695 1.5P 2.718 - 0.472 1.125 - 0.32 0.238 0.375 3 002 f
GH3 8 8.07 Y87617 3P 2.937 - 0.551 1.25 - 0.38 0.286 0.437 3 002 f
3/8-16UNC SL
GH3 8 8.07 Y87611 1.5P 2.937 - 0.551 1.25 - 0.38 0.286 0.437 3 002 f
GH3 9.4 9.45 Y87619 3P 3.156 - 0.591 - - 0.32 0.242 0.406 3 014 f
7/16-14UNC
GH3 9.4 9.45 Y81629 1.5P 3.156 - 0.591 - - 0.32 0.242 0.406 3 014 f
GH3 10.9 10.91 Y87621 3P 3.375 - 0.630 - - 0.37 0.275 0.437 3 014 f
PO
1/2-13UNC GH3 10.9 10.91 Y87021 1.5P 3.375 - 0.630 - - 0.37 0.275 0.437 3 014 f
GH5 10.9 10.91 Y87626 3P 3.375 - 0.630 - - 0.37 0.275 0.437 3 014 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 ) ST
ANSI
GH3 4.1 4.12 Y87610 3P 2.375 - 0.276 0.875 - 0.19 0.152 0.25 3 002 )
GH3 4.1 4.12 Y87010 1.5P 2.375 - 0.276 0.875 - 0.19 0.152 0.25 3 002 f
ROLL
GH4 4.1 4.12 Y87630 3P 2.375 - 0.276 0.875 - 0.19 0.152 0.25 3 002 f
No.10-32UNF
GH5 4.1 4.12 Y87640 3P 2.375 - 0.276 0.875 - 0.19 0.152 0.25 3 002 f
GH6 4.1 4.12 Y87661 3P 2.375 - 0.276 0.875 - 0.19 0.152 0.25 3 002 f
GH7 4.1 4.12 Y87670 3P 2.375 - 0.276 0.875 - 0.19 0.152 0.25 3 002 f
CARBIDE
GH3 5.5 5.53 Y87614 3P 2.5 - 0.354 1 - 0.26 0.191 0.312 3 002 )
GH3 5.5 5.53 Y87014 1.5P 2.5 - 0.354 1 - 0.26 0.191 0.312 3 002 f
GH4 5.5 5.53 Y87631 3P 2.5 - 0.354 1 - 0.26 0.191 0.312 3 002 f
1/4-28UNF
GH5 5.5 5.53 Y87644 3P 2.5 - 0.354 1 - 0.26 0.191 0.312 3 002 f LONG
GH6 5.5 5.53 Y87662 3P 2.5 - 0.354 1 - 0.26 0.191 0.312 3 002 f
GH7 5.5 5.53 Y87674 3P 2.5 - 0.354 1 - 0.26 0.191 0.312 3 002 f
GH3 6.9 6.97 Y87616 3P 2.718 - 0.394 1.125 - 0.32 0.238 0.375 3 002 ) HAND
GH3 6.9 6.97 Y87016 1.5P 2.718 - 0.394 1.125 - 0.32 0.238 0.375 3 002 f TAPS
GH4 6.9 6.97 Y87632 3P 2.718 - 0.394 1.125 - 0.32 0.238 0.375 3 002 f
5/16-24UNF
GH5 6.9 6.97 Y87646 3P 2.718 - 0.394 1.125 - 0.32 0.238 0.375 3 002 f
GH6 6.9 6.97 Y87663 3P 2.718 - 0.394 1.125 - 0.32 0.238 0.375 3 002 f EG (STI)
GH7 6.9 6.97 Y87676 3P 2.718 - 0.394 1.125 - 0.32 0.238 0.375 3 002 f
GH3 8.5 8.57 Y87618 3P 2.937 - 0.394 1.25 - 0.38 0.286 0.437 3 002 )
GH4 8.5 8.57 Y87633 3P 2.937 - 0.394 1.25 - 0.38 0.286 0.437 3 002 f SPECIAL
GH5 8.5 8.57 Y87648 3P 2.937 - 0.394 1.25 - 0.38 0.286 0.437 3 002 f THREADS,
3/8-24UNF GAUGES
GH6 8.5 8.57 Y87664 3P 2.937 - 0.394 1.25 - 0.38 0.286 0.437 3 002 f
GH7 8.5 8.57 Y87678 3P 2.937 - 0.394 1.25 - 0.38 0.286 0.437 3 002 f
GH3 8.5 8.57 Y87018 1.5P 2.937 - 0.394 1.25 - 0.38 0.286 0.437 3 002 f THREAD
GH3 9.9 9.96 Y87620 3P 3.156 - 0.472 - - 0.32 0.242 0.406 3 014 f MILLS
7/16-20UNF GH3 9.9 9.96 Y87020 1.5P 3.156 - 0.472 - - 0.32 0.242 0.406 3 014 f
GH5 9.9 9.96 Y87650 3P 3.156 - 0.472 - - 0.32 0.242 0.406 3 014 f
GH3 11.5 11.54 Y87622 3P 3.375 - 0.472 - - 0.37 0.275 0.437 3 014 f DIES
1/2-20UNF GH3 11.5 11.54 Y87023 1.5P 3.375 - 0.472 - - 0.37 0.275 0.437 3 014 f
GH5 11.5 11.54 Y87652 3P 3.375 - 0.472 - - 0.37 0.275 0.437 3 014 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 off ers a wide range of alternative
tap classes allowing each customer to select the most suitable one according to application requirement. 193
Check page 673 of Technical info for full details.