Depth Stop Drill Bit Collar Set with Hex Wrench | Woodworking

Precision Depth Control for Every Drill Bit

Take the guesswork out of drilling with this Depth Stop Drill Bit Collar Set. Designed for woodworkers, DIY enthusiasts, and trade professionals alike, these positioner rings clamp firmly onto your drill bits to give you repeatable, consistent hole depths every single time — no measuring, no over-drilling, no mistakes.

Made in Mainland China.

Why You'll Love This Set

• Precise Depth Control: Set your desired drilling depth once and drill with confidence — each collar locks exactly where you place it.
• Hex Wrench Included: The included hex (Allen) wrench lets you tighten the stopper set screws securely, so collars won't slip during use.
• Fits a Wide Range of Bits: Compatible with standard twist drill bits used in woodworking, cabinetry, furniture making, and general DIY projects.
• Durable Metal Construction: Sturdy collar rings resist wear and maintain a firm grip on drill bit shanks even during repeated use.
• Time-Saving Design: Eliminate constant measuring and marking — ideal for repetitive drilling tasks like dowel holes, shelf pin holes, and hinge pockets.
• Compact & Organized: The set comes neatly packaged so you can keep all your collars together and ready in your workshop toolbox.

Perfect For

• Woodworking & cabinetmaking
• Furniture assembly and repair
• Shelf pin and dowel hole drilling
• Home improvement and DIY projects
• Professional carpentry and joinery

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Frequently Asked Questions

Q: What is a depth stop drill bit collar and how does it work?

A: A depth stop drill bit collar is a metal ring that clamps onto the shank of a drill bit at a set position. Once the collar is tightened with the included hex wrench using the stopper set screws, it acts as a physical stop — when the collar contacts the workpiece surface, you know you've reached the exact pre-set depth. This ensures every hole you drill is perfectly consistent without needing to re-measure each time.

Q: What size drill bits are compatible with this collar set?

A: This depth stop collar set is designed to fit a range of standard drill bit shank diameters commonly used in woodworking. Please refer to the product listing images for the specific sizes included in the set to ensure compatibility with your drill bits before purchasing.

Q: Is the hex wrench included, and what is it used for?

A: Yes, a hex (Allen) wrench is included with the set. It is used to tighten the stopper set screws on each collar ring, securing them firmly in place on the drill bit shank so they do not move or slip during drilling operations.

Q: Can this depth stop collar set be used with a power drill or drill press?

A: Yes, the depth stop collars are suitable for use with both handheld power drills and drill presses, making them a versatile addition to any woodworking or DIY workshop setup.