日本三豐Holtest（三點內(nèi)徑千分尺）368系列
特點：
1.鈦涂層測針（測量范圍大于12mm型號）具有良好的耐用性和沖擊阻力，可直達(dá)盲孔底端測量內(nèi)徑。
2.可貼近盲孔底端進(jìn)行測量。
3.延長桿（選件）可用于測量深孔，此功能適于6mm（.275''）以上型。
4.棘輪鎖定裝置可保持恒定測力。
5.校正環(huán)規(guī)(選件)可用于原點設(shè)置。
公制型單體裝
| 測量范圍 | 貨號 | 分度值 | 精度* | 尺寸h | 尺寸L | 延長桿 |
| 2-2.5mm | 368-001 | 0.001mm | 2μm | --- | 12mm | --- |
| 2.5-3mm | 368-002 | 0.001mm | 2μm | --- | 12mm | --- |
| 3-4mm | 368-003 | 0.001mm | 2μm | --- | 22mm | --- |
| 4-5mm | 368-004 | 0.001mm | 2μm | --- | 22mm | --- |
| 5-6mm | 368-005 | 0.001mm | 2μm | --- | 22mm | --- |
| 6-8mm | 368-101-10 | 0.001mm | 2μm | 2mm | 59mm | 100mm |
| 8-10mm | 368-102-10 | 0.001mm | 2μm | 2mm | 59mm | 100mm |
| 10-12mm | 368-103-10 | 0.001mm | 2μm | 2mm | 59mm | 100mm |
| 12-16mm | 368-164 | 0.005mm | 2μm | 0.3mm | 80mm | 150mm |
| 16-20mm | 368-165 | 0.005mm | 2μm | 0.3mm | 80mm | 150mm |
| 20-25mm | 368-166 | 0.005mm | 3μm | 0.3mm | 90mm | 150mm |
| 25-30mm | 368-167 | 0.005mm | 3μm | 0.3mm | 90mm | 150mm |
| 30-40mm | 368-168 | 0.005mm | 3μm | 0.3mm | 98mm | 150mm |
| 40-50mm | 368-169 | 0.005mm | 3μm | 0.3mm | 98mm | 150mm |
| 50-63mm | 368-170 | 0.005mm | 3μm | 0.3mm | 105mm | 150mm |
| 62-75mm | 368-171 | 0.005mm | 3μm | 0.3mm | 105mm | 150mm |
| 75-88mm | 368-172 | 0.005mm | 3μm | 0.3mm | 105mm | 150mm |
| 87-100mm | 368-173 | 0.005mm | 3μm | 0.3mm | 105mm | 150mm |
| 100-125mm | 368-174 | 0.005mm | 5μm | 13mm | 158mm | 150mm |
| 125-150mm | 368-175 | 0.005mm | 5μm | 13mm | 158mm | 150mm |
| 150-175mm | 368-176 | 0.005mm | 5μm | 13mm | 158mm | 150mm |
| 175-200mm | 368-177 | 0.005mm | 5μm | 13mm | 158mm | 150mm |
| 200-225mm | 368-178 | 0.005mm | 5μm | 13mm | 158mm | 150mm |
| 225-250mm | 368-179 | 0.005mm | 5μm | 13mm | 158mm | 150mm |
| 250-275mm | 368-180 | 0.005mm | 5μm | 13mm | 158mm | 150mm |
| 275-300mm | 368-181 | 0.005mm | 5μm | 13mm | 158mm | 150mm |
