Metric Size Depth-Limiting Drill Bit Stop Collars
Ensure identical hole depths every time. Position the collar on your bit and tighten the set screw.
For technical drawings and 3-D models, click on a part number.
For Drill Bit | |||||||
|---|---|---|---|---|---|---|---|
| Size, mm | Size Decimal Equivalent | Overall Lg. | OD | Hex Key Size for Set Screw | Material | Each | |
| 2.0 | 0.0787" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 00000 |
| 3.0 | 0.1181" | 1/2" | 3/8" | 3/32" | Steel | 00000000 | 0000 |
| 4.0 | 0.1575" | 1/2" | 7/16" | 3/32" | Steel | 00000000 | 0000 |
| 5.0 | 0.1968" | 1/2" | 1/2" | 3/32" | Steel | 00000000 | 0000 |
| 6.0 | 0.2362" | 1/2" | 1/2" | 3/32" | Steel | 00000000 | 0000 |
| 7.0 | 0.2756" | 5/8" | 5/8" | 3/32" | Steel | 00000000 | 0000 |
| 7.75 | 0.3051" | 5/8" | 5/8" | 3/32" | Steel | 00000000 | 0000 |
| 8.0 | 0.3150" | 3/4" | 3/4" | 3/32" | Steel | 00000000 | 0000 |
| 8.1 | 0.3189" | 3/4" | 3/4" | 3/32" | Steel | 00000000 | 0000 |
| 8.5 | 0.3346" | 3/4" | 3/4" | 3/32" | Steel | 00000000 | 0000 |
| 9.0 | 0.3543" | 3/4" | 3/4" | 3/32" | Steel | 00000000 | 0000 |
| 9.5 | 0.3740" | 3/4" | 3/4" | 3/32" | Steel | 00000000 | 0000 |
| 9.8 | 0.3858" | 7/8" | 7/8" | 1/8" | Steel | 00000000 | 0000 |
| 10.0 | 0.3937" | 7/8" | 7/8" | 1/8" | Steel | 00000000 | 0000 |
| 11.0 | 0.4331" | 7/8" | 7/8" | 1/8" | Steel | 00000000 | 0000 |
| 12.0 | 0.4724" | 7/8" | 7/8" | 1/8" | Steel | 00000000 | 0000 |
| 13.0 | 0.5118" | 1" | 1" | 1/8" | Steel | 00000000 | 00000 |
| 15.0 | 0.5905" | 1" | 1" | 5/32" | Steel | 00000000 | 00000 |
| 20.0 | 0.7874" | 1 1/4" | 1 1/4" | 5/32" | Steel | 00000000 | 00000 |