Enhance your drilling accuracy and safety with this set of high-quality Drill Bit Stop Rings, crafted from durable zinc alloy for long-lasting corrosion and wear resistance. Designed specifically for carbon steel drill bits, these versatile stop rings effectively limit drilling depth to ensure precision and prevent over-penetration during your projects. Key Features: · Screw Locking Mechanism: Each stop ring features a secure screw lock with a clamping torsion up to 4.5kg, providing a firm grip to prevent the plate from being punctured or slipping during use. · Open Design for Flexibility: The open-type stop rings allow fine tuning and easy adjustment to meet various clamping needs across different drill bit sizes and applications. · Premium Zinc Alloy Construction: Made from excellent corrosion-resistant and wear-resistant zinc alloy, these stop rings guarantee a long service life and reliable performance on every job. · Precise Depth Limiting: Designed to fit carbon steel drill bits, these stop rings can be positioned and locked safely anywhere along the drill bit shaft, helping you maintain consistent drilling depths for accurate results. · Complete Set with Hex Wrench: Includes 3 metal stop rings in sizes 6mm, 8mm, and 10mm, along with a convenient hex wrench for quick and easy installation and adjustment. Specifications: · Material: Zinc Alloy · Color: Silver · Applicable Use: For carbon steel drill bits, to safely lock at adjustable positions for depth control · Package Includes: 3 x Drill Bit Stop Rings (6mm, 8mm, 10mm), 1 x Hex Wrench This Drill Bit Stop Ring set is an essential accessory for professionals and DIY enthusiasts alike, offering enhanced drilling precision, safety, and convenience. Its robust build and adjustable design make it ideal for repetitive and precise drilling tasks across woodworking, metalworking, and other applications.