
■ Specification of SIT is available up to M48 (U1 3/4). For details, please contact us.
TYPE:4 TYPE:5 TYPE:6
●Premium HSS material extends the tool life dramatically. ●Tool for through hole or blind hole is available individually. ●Color case and color mark on the tool simplify tool storage control. Inclination
end where the whole profile of screw thread becomes incrementally larger.
efficiently particularly when checking the screw threads with fine pitches. Pitch diameter of first thread profile Pitch diameter of gauge thread profile
Note : Step screw thread is not applied to the gauge for blind hole(NP gauge)
of thread plug gauge.
| ■Com Size | paris | on bet | we OD | en | GB-6H/ | and G | P-6H/ P | thread D | plug | gauge Pitch tolerance | unit:mm Tolerance for thread half angle | ■Com Size | parison betw O | een N D | B-6H | /and N | P-6H P | /th D | rea | d plug | gauge Pitch tolerance | unit:mm Tolerance for thread half angle |
| Basic size | Max | M | in | Tolerance | Basic size | Max | Min | Tolerance | (±) | (±minute) | Basic size Max | Min | Tolerance | Basic size | Max | M | in | Tolerance | (±) | (±minute) | ||
| GB-6H M6×1 | 6.000 | 6.023 | 6. | 001 | 0.022 | 5.350 | 5.3675 | 5.3565 | 0.011 | 0.005 | 15 | NB-6H M6×1 | 5.7055 5.7165 | 5.6945 | 0.022 | 5.500 | 5.511 | 5. | 500 | 0.011 | 0.005 | 16 |
| GP-6H M6×1 | 6.000 | 6.023 | 6. | 001 | 0.022 | 5.350 | 5.3675 | 5.3565 | 0.011 | 0.005 | 15 | NP-6H M6×1 | 5.7055 5.7165 | 5.6945 | 0.022 | 5.500 | 5.511 | 5. | 500 | 0.011 | 0.005 | 16 |
| The pitc | h diame | ter is si | mple | pit | ch diamet | er. Pitch t | oleranc | e include | s error | of thread l | ead. | The pitc | h diameter is sim | ple pitc | h diamet | er. Pitch | toleran | ce in | clud | es error | of thread l | ead. |
※ Main specification of SIT is same with that of thread gauge. But SIT has partly Yamawa's own design in the length of thread and bottom part relief. Due to these features, Yamawa has adopted the name "Simple Inspection Tool or SIT" instead of using the name "thread gauge".