6 PCS Stainless Steel Drill Stop Collar Set 3–10mm Sizes
6 PCS Stainless Steel Drill Stop Collar Set 3–10mm Sizes
6-Piece 304 Stainless Steel Drill Stop Collar Set
Take full control of your drilling depth with this precision 6-piece 304 stainless steel drill stop collar set. Whether you're working on woodworking projects, cabinetry, furniture assembly, or general DIY tasks, these adjustable depth stop rings help you drill consistently and accurately — every single time. No more guessing, no more drilling too deep.
Why You'll Love This Set
- 6 Sizes Included: Covers the most common drill bit diameters — 3mm, 4mm, 5mm, 6mm, 8mm, and 10mm — so you're always prepared for the job at hand.
- Premium 304 Stainless Steel: Rust-resistant and built to last, these collars withstand repeated use without warping, cracking, or corroding.
- Adjustable & Secure: The screw-type locking mechanism clamps firmly anywhere along the drill bit without damaging the bit's surface — easy to reposition and re-lock in seconds.
- Anodized Finish: The treated surface adds extra durability and a clean, professional look in silver and grey.
- Universal Compatibility: Designed to fit high-carbon steel drill bits and other standard drill bits. Ideal for woodworking, metalworking, and general DIY drilling tasks.
- Hex Wrench Included: Everything you need is in the box — 6 stop collars plus a hex wrench for quick and easy adjustments.
Product Specifications
| Material | 304 Stainless Steel |
| Sizes (Inside Diameter) | 3mm, 4mm, 5mm, 6mm, 8mm, 10mm |
| Color | Silver & Grey |
| Package Dimensions | 13 × 8 × 4 cm (5.12 × 3.15 × 1.57 in) |
| Country of Origin | Made in Mainland China |
What's in the Box
- 6 × Drill Stop Collar Rings (3/4/5/6/8/10mm)
- 1 × Hex Wrench
Great for Use With
These drill stop collars are the perfect companion for any workshop. Pair them with other precision tools and DIY accessories available in our store:
- 3PCS Silicone Sealant Scraper Set – Multi-Functional Caulking & Finishing Tools
- 1PC Multi-Use Faucet Bubbler Wrenches – 6 Sizes Sink Repair Spanner
- 1PC High-Grade Silicone Grease Lubricant for O-Rings & Tubes
Learn more: OSHA on personal protective equipment
Frequently Asked Questions
Q: What drill bit types are compatible with these drill stop collars?
A: These drill stop collar rings are designed to work with high-carbon steel drill bits and most standard twist drill bits in the matching sizes (3mm, 4mm, 5mm, 6mm, 8mm, and 10mm). The screw-type locking design grips securely without damaging the bit's surface.
Q: How do I adjust the depth on the drill stop collar set?
A: Simply slide the collar to your desired depth position on the drill bit, then use the included hex wrench to tighten the set screw. The collar will lock firmly in place, acting as a drilling depth limiter to prevent over-drilling.
Q: Are these drill stop collars suitable for woodworking projects?
A: Absolutely! These 304 stainless steel stop collars are ideal for woodworking, cabinetry, furniture assembly, and general DIY drilling. They help ensure consistent, repeatable hole depths across multiple drill points — a must-have for any woodworking toolkit.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.