3-16mm Drill Bit Depth Stop Ring Positioner Ring Positioner Durable Woodworking Drill Bit with Hex Wrench (8 PCS Depth Stop Depth Collar)

General descriptionThe 3-16mm Drill Bit Depth Stop Ring Positioner is designed for precise drilling depth control. This durable woodworking tool includes 8 depth stop collars that can be easily adjusted to set the desired drilling depth, ensuring accuracy and efficiency in your projects.Technical specificationsMaterial: Carbon steelHex Shank Diameter: 2.5 mmDepth Stop Collar Sizes: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 16mmM3: Inner diameter: about 3.2mm, Outer diameter: about 9.8mm, Thickness: about 3.5mm, Height: about 8mmM4: Inner diameter: about 4.2mm, Outer diameter: about 9.8mm, Thickness: about 3mm, Height: about 8mmM5: Inner diameter: about 5.2mm, Outer diameter: about 11.8mm, Thickness: about 3.4mm, Height: about 8mmM6: Inner diameter: about 6.2mm, Outer diameter: about 11.8mm, Thickness: about 3mm, Height: about 8mmM8: Inner diameter: about 8.3mm, Outer diameter: about 16mm, Thickness: about 3.9mm, Height: about 8mmM10: Inner diameter: about 10.3mm, Outer diameter: about 18mm, Thickness: about 3.8mm, Height: about 8mmUsageThe drill stop collar is primarily used to fix the limit of drilling depth on the drill bit. It works effectively with standard and brad-point bits, and the setscrew type collar ensures that the bits remain undamaged during use.