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

Specification: 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm, 16 mm M3: Inner diameter: approx. 3.2 mm, outer diameter: approx. 9.8 mm, thickness: approx. 3.5 mm, height: approx. 8 mm M4: Inner diameter: approx. 4.2 mm, outer diameter: approx. 9.8 mm, thickness: approx. 3 mm, height: approx. 8 mm M5: Inner diameter: approx. 5.2 mm, outer diameter: approx. 11.8 mm, thickness: approx. 3.4 mm, height: approx. 8 mm M6: Inner diameter: approx. 6.2 mm, outer diameter: approx. 11.8 mm, thickness: approx. 3 mm, height: approx. 8 mm M8: Inner diameter: approx. 8.3 mm, outer diameter: approx. 16 mm, thickness: approx. 3.9 mm, height: approx. 8 mm M10: Inner diameter: approx. 10.3 mm, outer diameter: approx. 18 mm, thickness: approx. 3.8 mm, height: approx. 8 mm Stop ring: 3, 4, 5, 6, 8, 10, 12, 16 (mm) The drill stop ring is mainly used for fixed drilling depth limits in the forest. Works with standard and brad-point bits; the grub screw collar does not damage the bits. Stops made of carbon steel for long-lasting performance. Material: carbon steel. Hexagon shaft diameter: 2.5 mm Specifications: ◆ Material: Carbon steel ◆ Inner diameter: 3, 4, 5, 6, 8, 10, 12, 16 (mm) ◆ Surface treatment: Blackening treatment Package includes: Set of 2 limited edition 8-piece drill bushings with wrench 100% Satisfaction Guarantee: ● If the goods are defective or have other problems, please feel free to contact us by email. ● We will do our best to meet your needs. ● We will answer your questions as soon as possible. ● If you are not satisfied with our products, we can provide you with a 100% refund.