
GP General Purpose Series
THCHT
PO Recommended Tapping Speeds Depending On Materials
FEATURES Long shank general purpose for extended overhang on blind and through hole application. For steel application at low cutting speed, also suitable for cast iron and non-ferrous materials.
| ISO | Vc (m/min) | ISO | Vc (m/min) | ISO | Vc (m/min) |
| P1 | 5÷10I | K1 | 5÷10I | N2 | 5÷10I |
| P2 | 5÷10H | K2 | 5÷10I | N3 | 5÷10I |
| P3 | 5÷10I | K3 | 5÷10I | N4 | 5÷10I |
| P4 | 5÷10I |
H 1st choice I suitable
JIS-LS-PF
TYPE: Pipe_039 TYPE: Pipe_055 K K DCON DCON
THL LK K THL LK K
LF LF
| G(BSP) | TCTR (tolerance) | Ø (mm) | Hole Ø (mm) | Code | THCHT (chamfer) | Basic major Ø (mm) | LF ( mm ) | THL ( mm ) | LS ( mm ) | DCON ( mm ) | K ( mm ) | LK ( mm ) | NOF | Type | Stock |
| JIS | |||||||||||||||
| II | 8.75 | 8.78 | L10F02K | 3.5P | 9.728 | 100 | 19 | - | 8 | 6 | 9 | 4 | 039 | f | |
| 1/8-28 | II | 8.75 | 8.78 | L15F02K | 3.5P | 9.728 | 150 | 19 | - | 8 | 6 | 9 | 4 | 039 | h |
| II | 8.75 | 8.78 | L20F02K | 3.5P | 9.728 | 200 | 19 | - | 8 | 6 | 9 | 4 | 039 | f | |
| II | 11.75 | 11.78 | L10F04- | 3.5P | 13.157 | 100 | 28 | - | 11 | 9 | 12 | 4 | 039 | f | |
| 1/4-19 | II | 11.75 | 11.78 | L15F04- | 3.5P | 13.157 | 150 | 28 | - | 11 | 9 | 12 | 4 | 039 | h |
| II | 11.75 | 11.78 | L20F04- | 3.5P | 13.157 | 200 | 28 | - | 11 | 9 | 12 | 4 | 039 | f | |
| II | 15.25 | 15.28 | L10F06- | 3.5P | 16.662 | 100 | 28 | - | 14 | 11 | 14 | 4 | 039 | f | |
| 3/8-19 | II | 15.25 | 15.28 | L15F06- | 3.5P | 16.662 | 150 | 28 | - | 14 | 11 | 14 | 4 | 039 | f |
| II | 15.25 | 15.28 | L20F06- | 3.5P | 16.662 | 200 | 28 | - | 14 | 11 | 14 | 4 | 039 | f | |
| II | 19 | 19.04 | L15F08Q | 3.5P | 20.955 | 150 | 35 | - | 18 | 14 | 17 | 4 | 039 | f | |
| 1/2-14 | II | 19 | 19.04 | L20F08Q | 3.5P | 20.955 | 200 | 35 | - | 18 | 14 | 17 | 4 | 039 | f |
| 3/414 | II | 24.5 | 24.52 | L15F12Q | 3.5P | 26.441 | 150 | 35 | - | 23 | 17 | 20 | 4 | 039 | f |
| - | II | 24.5 | 24.52 | L20F12Q | 3.5P | 26.441 | 200 | 35 | - | 23 | 17 | 20 | 4 | 039 | f |
| 1 -11 | II | 30.75 | 30.77 | L15F16U | 3.5P | 33.249 | 150 | 45 | - | 26 | 21 | 24 | 4 | 039 | f |
| II | 30.75 | 30.77 | L20F16U | 3.5P | 33.249 | 200 | 45 | - | 26 | 21 | 24 | 4 | 039 | f | |
| 1 1/4-11 | II | 39.3 | 39.43 | L20F20U | 3.5P | 41.910 | 200 | 45 | - | 32 | 26 | 30 | 4 | 055 | f |
| 1 1/2-11 | II | 45.25 | 45.33 | L20F24U | 3.5P | 47.803 | 200 | 45 | - | 38 | 29 | 32 | 6 | 055 | f |
| 2 -11 | II | 57 | 57.1 | L20F32U | 3.5P | 59.614 | 200 | 50 | - | 46 | 35 | 38 | 6 | 055 | f |
THREADS,