【Multifunctional Variety】Our depth stop drill bits are available in a wide range of sizes: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, and 16mm. Coupled with an Allen wrench, they can fully meet the requirements of different equipment models, ensuring versatility in various applications.

【Professional Engineering】The stop collar set features a split - ring design, allowing for infinite adjustability along the drill bit. This design offers you precise control over the drilling depth. The drill bit depth stop collar is equipped with a durable carbon - steel fixing screw - type collar. Once tightened, it remains rock - solid without causing any damage to the drill bit.

【Premium Materials】Crafted from high - hardness carbonized steel, the drill bit positioning ring is built to last. Its robust material ensures long - term performance and resistance to wear and tear.

【Broad Application】This drill stop bit collar set is incredibly versatile. It can be used with twist drills, woodworking drills, multi - function drills, ceramic wall drills, or any other type of bit. It effectively prevents over - penetration of the drill bit, making it ideal for any task that demands precision when using a drill. Whether you're working with plastics, wood, or ceramics, it provides excellent punching and positioning capabilities.