点击图片查看大图德国OSKAR-SCHWENK SMT深孔专用孔径规
SMT：包含握把、钨钢测头、垫片、木盒包装、不含量表。
深孔内径测量，孔深可达3000mm。
| 适用范围 | 测 量 深 度（mm） | |||||
| mm | 500mm | 750mm | 1000mm | 1500mm | 2000mm | 3000mm |
| 4.5-6 | - | - | - | - | - | - |
| 6-8 | 23100001 | 23100002 | 23100003 | - | - | - |
| 8-12 | 23200001 | 23200002 | 23200003 | - | - | - |
| 12-20 | 23300001 | 23300002 | 23300003 | - | - | - |
| 18-35 | 23400001 | 23400002 | 23400003 | 23400004 | - | - |
| 35-60 | 23500001 | 23500002 | 23500003 | 23500004 | 23500005 | 23500007 |
| 50-100 | 23600001 | 23600002 | 23600003 | 23600004 | 23600005 | 23600007 |
| 50-150 | 23700001 | 23700002 | 23700003 | 23700004 | 23700005 | 23700007 |
| 100-160 | 23800001 | 23800002 | 23800003 | 23800004 | 23800005 | 23800007 |
| 100-230 | 23900001 | 23900002 | 23900003 | 23900004 | 23900005 | 23900007 |
| 160-290 | 24000001 | 24000002 | 24000003 | 24000004 | 24000005 | 24000007 |
| 160-360 | 24100001 | 24100002 | 24100003 | 24100004 | 24100005 | 24100007 |
| 280-410 | 24200001 | 24200002 | 24200003 | 24200004 | 24200005 | 24200007 |
| 280-510 | 24300001 | 24300002 | 24300003 | 24300004 | 24300005 | 24300007 |
