Drill Stop Collar DORMER R95022.5 — diameter 22.5 mm

DORMER R95022.5 drill stop collar with a 22.5 mm diameter is a clamp-style accessory for controlling drilling depth. Designed for use with standard drill shanks, the collar provides a positive mechanical stop that helps achieve consistent hole depths in metalworking, woodworking and general construction tasks. The simple clamping mechanism allows for quick positioning and secure holding on round shanks during production setups and repair jobs.

Advantages

The drill stop collar offers repeatable depth control and reduces the risk of over-drilling. Its clamp-style design enables fast attachment and removal without special tools, and the solid construction ensures stable concentricity around the drill shank. By providing a reliable physical stop, the collar improves process consistency across multiple holes and workpieces.

Suitable for

• Setting and limiting drill depth in metalworking operations
• Depth control for woodworking drilling and dowel hole preparation
• Construction and installation tasks where uniform hole depth is required
• Production runs and repetitive maintenance or repair work

Key specifications

• Diameter (stop) — 22.5 mm
• Attachment — clamp-style collar suitable for round drill shanks
• Material — hardened metal construction for wear resistance
• Compatibility — designed for use with standard straight shank drills
• Mounting — secured by tightening screws for repeatable positioning

How to use

Slide the collar onto the drill shank to the position corresponding to the desired drilling depth, then tighten the clamp screws evenly to secure the collar. Verify concentric alignment and that the collar is seated firmly against the shank before starting the drill. During operation, the collar acts as a mechanical stop to prevent the drill from advancing beyond the set depth. For multiple holes, recheck tightness between cycles to maintain consistent results.

Usage recommendations

Inspect the collar and screws for wear or damage before use and ensure the drill shank diameter matches the collar bore for secure clamping. Use recommended tightening torque to avoid deforming the shank, and remove chips or debris from the shank and collar seating surfaces to preserve concentricity and accuracy.