- Used for quick and accurate setting of dial bore gages, Holtest and inside micrometers.
- If a setting ring of an optimal size is prepared, it can be used for calibration
- Tolerance between the nominal size and the actual Diameter
- ± 10mm for 1mm - 45mm dia. Setting Rings
- ± 20mm for 50mm - 300mm dia. Setting Rings

Mitutoyo - Setting Rings - for Bore Gages - (Metric)
| Item No. | Ring Size | Material | MSRP | Our Price | QTY |
|---|---|---|---|---|---|
| 177-220 | 1mm | Steel | $171.00 | $154.00 | |
| 177-222 | 1.1mm | Steel | $171.00 | $154.00 | |
| 177-225 | 1.2mm | Steel | $171.00 | $154.00 | |
| 177-227 | 1.3mm | Steel | $171.00 | $154.00 | |
| 177-230 | 1.4mm | Steel | $171.00 | $154.00 | |
| 177-236 | 1.75mm | Steel | $171.00 | $154.00 | |
| 177-239 | 2mm | Steel | $171.00 | $154.00 | |
| 177-242 | 2.25mm | Steel | $171.00 | $154.00 | |
| 177-208 | 2.5mm | Steel | $171.00 | $154.00 | |
| 177-246 | 2.75mm | Steel | $171.00 | $154.00 | |
| 177-248 | 3mm | Steel | $171.00 | $154.00 | |
| 177-250 | 3.25mm | Steel | $171.00 | $154.00 | |
| 177-252 | 3.5mm | Steel | $171.00 | $154.00 | |
| 177-255 | 3.75mm | Steel | $171.00 | $154.00 | |
| 177-204 | 4mm | Steel | $153.00 | $140.00 | |
| 177-257 | 4.5mm | Steel | $171.00 | $154.00 | |
| 177-205 | 5mm | Steel | $153.00 | $140.00 | |
| 177-263 | 5.5mm | Steel | $171.00 | $154.00 | |
| 177-267 | 6mm | Steel | $171.00 | $154.00 | |
| 177-271 | 6.5mm | Steel | $171.00 | $154.00 | |
| 177-275 | 7mm | Steel | $171.00 | $154.00 | |
| 177-125 | 8mm | Steel | $177.00 | $159.00 | |
| 177-279 | 9mm | Steel | $183.00 | $165.00 | |
| 177-126 | 10mm | Steel | $191.00 | $172.00 | |
| 177-284 | 12mm | Steel | $183.00 | $165.00 | |
| 177-132 | 14mm | Steel | $196.00 | $176.00 | |
| 177-177 | 16mm | Steel | $229.00 | $206.00 | |
| 177-133 | 17mm | Steel | $223.00 | $201.00 | |
| 177-285 | 18mm | Steel | $217.00 | $195.00 | |
| 177-286 | 20mm | Steel | $210.00 | $189.00 | |
| 177-139 | 25mm | Steel | $259.00 | $233.00 | |
| 177-288 | 30mm | Steel | $237.00 | $213.00 | |
| 177-140 | 35mm | Steel | $359.00 | $232.00 | |
| 177-290 | 40mm | Steel | $340.00 | $306.00 | |
| 177-178 | 45mm | Steel | $370.00 | $333.00 | |
| 177-146 | 50mm | Steel | $375.00 | $319.00 | |
| 177-292 | 60mm | Steel | $475.00 | $427.00 | |
| 177-314 | 62mm | Steel | $498.00 | $448.00 | |
| 177-147 | 70mm | Steel | $442.00 | $398.00 | |
| 177-316 | 75mm | Steel | $568.00 | $511.00 | |
| 177-294 | 80mm | Steel | $543.00 | $489.00 | |
| 177-318 | 87mm | Steel | $607.00 | $546.00 | |
| 177-148 | 90mm | Steel | $596.00 | $536.00 | |
| 177-296 | 100mm | Steel | $782.00 | $704.00 | |
| 177-298 | 125mm | Steel | $1,463.00 | $1,317.00 | |
| 177-300 | 150mm | Steel | $1,595.00 | $1,435.00 | |
| 177-302 | 175mm | Steel | $1,936.00 | $1,742.00 | |
| 177-304 | 200mm | Steel | $2,563.00 | $2,306.00 | |
| 177-306 | 225mm | Steel | $2,882.00 | $2,594.00 | |
| 177-308 | 250mm | Steel | $3,124.00 | $3,114.00 | |
| 177-310 | 275mm | Steel | $3,608.00 | $3,247.00 | |
| 177-312 | 300mm | Steel | $3,608.00 | $3,247.00 |
Features:


