Drill Bit Depth Controller Ring

Choose Your Bundle

Drill holes with highly precise depth!

Stop scrambling on calculations! Use this Drill Bit Depth Controller Ring for exact boring depth on every woodwork project you are about to make.

PRECISE DRILLING DEPTH CAPABILITY - With these drill bit attachment rings, you are guided on the exact size and depth of the drilling to speed up the workflow. 

SET OF VARIED SIZES - Available in sets composed of seven (7) different sizes per set to suit your boring needs. These are the 7 most common and requested controller ring sizes from 3mm to 12mm.

ATTACHABLE TO ALL DRILL BITS - These stopper rings fit all drill bits. You can use any brand that is within your reach. Just insert this ring into your drill bit and tighten with a bolt for a smooth and steady work.

LONG PERIOD OF USABILITY - Each controller ring is made from strong and durable solid steel for long term use. It is made tightly to fit drill bits to avoid easy breakdown.

SMALL AND EASY TO CARRY - It has a size big as a human ring and with a net weight ranging from 4g to 9g. You wouldn't find it difficult to bring it to your work destination.

WIDE SCOPE OF USE - This is suitable for wood drilling and crafting jobs that need perfect, high precision holes with uniform depth. This is ideal for professionals and DIY enthusiasts doing production work or repeated drilling projects. 

Make accurate drill holes easily in every woodworking jobs you need to do with this Drill Bit Depth Controller Ring. Buy yours NOW!


Material: Carbon Steel


  Inside Diameter Outer Diameter Height Net Weight
3mm 3mm 10mm 8mm 4g
4mm 4mm 10mm 8mm 4g
5mm 5mm 12mm 8mm 6g
6mm 6mm 12mm 8mm 6g
8mm 8mm 16mm 8mm 8g
9mm 9mm 17mm 8mm 9g
12mm 12mm 18mm 8mm 9g

Package Inclusion/s: Choose Your Bundle...

  • Buy 1 Set Only -  1 set. Drill Bit Depth Controller Ring includes 7 pcs. collar ring + 1 pc. small wrench
  • Buy 2 Sets - 14 pcs. collar ring + 2 small wrench
  • Buy 3 Sets - 21 pcs. collar ring + 3 small wrench


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