寶禾機械內徑干分尺（分二點式和三點式兩款）具有易續，操作方便和經濟耐用的特點。它的測量范圍是2－300mm，其測頭及環規都具有UKAS認證。
特點
- 測量范圍2－300mm（0.080“－12”）
- 2－6mm為兩點式測量范圍。6－300為三點式內徑測量的范圍
- 分度值:2-6mm為0.001mm 6-300mm為0.005mm
- 硬質合金測量面可大于12.5mm
- 可測2-6mm以及大于12.5mm的盲孔
- 可選加長型設計測量深孔
- 棘齒限位
| Code | Size |
|---|---|
| XTA1M | 2.0 - 2.5MM |
| XTA2M | 2.5 - 3.0MM |
| XTA3M | 3.0 - 4.0MM |
| XTA4M | 4.0 - 5.0MM |
| XTA5M | 5.0 - 6.0MM |
| XTA6M | 6 - 8MM |
| XTA8M | 8 - 10MM |
| XTA10M | 10 - 12.5MM |
| XTA12M | 12.5 - 16MM |
| XTA16M | 16 - 20MM |
| XTA20M | 20 - 25MM |
| XTA25M | 25 - 35MM |
| XTA35M | 35 - 50MM |
| XTA50M | 50 - 65MM |
| XTA65M | 65 - 80MM |
| XTA80M | 80 - 100MM |
| XTA100M | 100 - 125MM |
| XTA125M | 125 - 150MM |
| XTA150M | 150 - 175MM |
| XTA175M | 175 - 200MM |
| XTA200M | 200 - 225MM |
| XTA225M | 225 - 250MM |
| XTA250M | 250 - 275MM |
| XTA275M | 275 - 300MM |
| XTA1I | 0.080 - 0.100" |
| XTA2I | 0.100 - 0.120" |
| XTA3I | 0.120 - 0.160" |
| XTA4I | 0.160 - 0.200" |
| XTA5I | 0.200 - 0.250" |
| XTA6I | 1/4 - 5/16" |
| XTA8I | 5/16 - 3/8" |
| XTA10I | 3/8 - 1/2" |
| XTA12I | 1/2 - 5/8" |
| XTA16I | 5/8 - 3/4" |
| XTA20I | 3/4 - 1" |
| XTA25I | 1 - 1 3/8" |
| XTA35I | 1 3/8 - 2" |
| XTA50I | 2 - 2 5/8" |
| XTA65I | 2 5/8 - 3 1/4" |
| XTA80I | 3 1/4 - 4" |
| XTA100I | 4 - 5" |
| XTA125I | 5 - 6" |
| XTA150I | 6 - 7" |
| XTA175I | 7 - 8" |
| XTA200I | 8 - 9" |
| XTA225I | 9 - 10" |
| XTA250I | 10 - 11" |
| XTA275I | 11 - 12" |
