Page 185 - Yamawa_European_Catalogue_YEU21

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

UNF 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 6.9 6.97 Y84616 2.5P 2.718 - 0.394 1.125 - 0.32 0.238 0.375 3 002 f
GH3 6.9 6.97 Y84016 1.5P 2.718 - 0.394 1.125 - 0.32 0.238 0.375 3 002 f SP
GH4 6.9 6.97 Y84632 2.5P 2.718 - 0.394 1.125 - 0.32 0.238 0.375 3 002 f
5/16-24UNF ANSI
GH5 6.9 6.97 Y84646 2.5P 2.718 - 0.394 1.125 - 0.32 0.238 0.375 3 002 f
GH5 6.9 6.97 Y84046 2.5P 2.718 - 0.394 1.125 - 0.32 0.238 0.375 3 002 f
SL
GH7 6.9 6.97 Y84676 2.5P 2.718 - 0.394 1.125 - 0.32 0.238 0.375 3 002 f
GH3 8.5 8.57 Y84618 2.5P 2.937 - 0.394 1.25 - 0.38 0.286 0.437 3 002 f
GH3 8.5 8.57 Y84018 1.5P 2.937 - 0.394 1.25 - 0.38 0.286 0.437 3 002 f
GH4 8.5 8.57 Y84633 2.5P 2.937 - 0.394 1.25 - 0.38 0.286 0.437 3 002 f
PO
3/8-24UNF GH4 8.5 8.57 Y84033 1.5P 2.937 - 0.394 1.25 - 0.38 0.286 0.437 3 002 f
GH5 8.5 8.57 Y84648 2.5P 2.937 - 0.394 1.25 - 0.38 0.286 0.437 3 002 f
GH5 8.5 8.57 Y84048 1.5P 2.937 - 0.394 1.25 - 0.38 0.286 0.437 3 002 f
GH7 8.5 8.57 Y84678 2.5P 2.937 - 0.394 1.25 - 0.38 0.286 0.437 3 002 f ST
GH3 9.9 9.96 Y84620 2.5P 3.156 - 0.472 - - 0.32 0.242 0.406 3 014 f
GH3 9.9 9.96 Y84020 1.5P 3.156 - 0.472 - - 0.32 0.242 0.406 3 014 f
GH5 9.9 9.96 Y84650 2.5P 3.156 - 0.472 - - 0.32 0.242 0.406 3 014 f
7/16-20UNF ROLL
GH5 9.9 9.96 Y84050 1.5P 3.156 - 0.472 - - 0.32 0.242 0.406 3 014 f
GH6 9.9 9.96 Y84691 2.5P 3.156 - 0.472 - - 0.32 0.242 0.406 3 014 f
GH7 9.9 9.96 Y84680 2.5P 3.156 - 0.472 - - 0.32 0.242 0.406 3 014 f
GH3 11.5 11.54 Y84622 2.5P 3.375 - 0.472 - - 0.37 0.275 0.437 3 014 f CARBIDE
GH3 11.5 11.54 Y84022 1.5P 3.375 - 0.472 - - 0.37 0.275 0.437 3 014 f
GH5 11.5 11.54 Y84652 2.5P 3.375 - 0.472 - - 0.37 0.275 0.437 3 014 f
1/2-20UNF
GH5 11.5 11.54 Y84052 1.5P 3.375 - 0.472 - - 0.37 0.275 0.437 3 014 f
LONG
GH6 11.5 11.54 Y84692 2.5P 3.375 - 0.472 - - 0.37 0.275 0.437 3 014 f
GH7 11.5 11.54 Y84682 2.5P 3.375 - 0.472 - - 0.37 0.275 0.437 3 014 f
GH3 12.9 13 Y84654 2.5P 3.593 - 0.512 - - 0.43 0.322 0.5 3 014 f
9/16-18UNF GH3 12.9 13 Y84054 1.5P 3.593 - 0.512 - - 0.43 0.322 0.5 3 014 f HAND
GH5 12.9 13 Y84698 2.5P 3.593 - 0.512 - - 0.43 0.322 0.5 3 014 f TAPS
GH3 14.5 14.6 Y84626 2.5P 3.812 - 0.512 - - 0.48 0.36 0.562 3 014 f
GH3 14.5 14.6 Y84026 1.5P 3.812 - 0.512 - - 0.48 0.36 0.562 3 014 f
5/8-18UNF GH5 14.5 14.6 Y84656 2.5P 3.812 - 0.512 - - 0.48 0.36 0.562 3 014 f EG (STI)
GH5 14.5 14.6 Y84056 1.5P 3.812 - 0.512 - - 0.48 0.36 0.562 3 014 f
GH7 14.5 14.6 Y84672 2.5P 3.812 - 0.512 - - 0.48 0.36 0.562 3 014 f
GH3 17.5 17.59 Y84628 2.5P 4.25 - 0.591 - - 0.59 0.442 0.687 4 014 f SPECIAL
THREADS,
GH3 17.5 17.59 Y84028 1.5P 4.25 - 0.591 - - 0.59 0.442 0.687 4 014 f
3/4-16UNF GAUGES
GH5 17.5 17.59 Y84658 2.5P 4.25 - 0.591 - - 0.59 0.442 0.687 4 014 f
GH7 17.5 17.59 Y84686 2.5P 4.25 - 0.591 - - 0.59 0.442 0.687 4 014 f
GH4 20.5 20.57 Y84696 2.5P 4.687 - 0.709 - - 0.7 0.523 0.75 4 014 f THREAD
7/8-14UNF MILLS
GH6 20.5 20.57 Y84694 2.5P 4.687 - 0.709 - - 0.7 0.523 0.75 4 014 f
1 -12UNF GH4 23.3 23.46 Y84668 2.5P 5.125 - 0.709 - - 0.8 0.6 0.812 4 014 f
1 1/8-12UNF GH5 26.5 26.63 Y84702 2.5P 5.437 - 0.787 - - 0.9 0.672 0.875 4 014 f
1 1/4-12UNF GH5 29.6 29.81 Y84705 2.5P 5.75 - 0.787 - - 1.02 0.766 1 4 014 f DIES
1 3/8-12UNF GH5 32.8 32.98 Y84707 2.5P 6.062 - 0.787 - - 1.11 0.831 1.062 4 014 f
1 1/2-12UNF GH5 36 36.16 Y84711 2.5P 6.375 - 0.787 - - 1.23 0.925 1.125 4 014 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. 183
Check page 673 of Technical info for full details.