Drill stop collars make it easy to drill holes to a uniform depth Kit consists of 7 set screw collars Hex keys enclosed for easy installation Includes 1/8", 3/16", 1/4", 5/16", 3/8", 7/16", and 1/2" Zinc plating provides moderate corrosion resistance

Kits consist of 7 set screw collars that firmly grip the outer diameter of the drill bit. Sizes include: 1/8", 3/16", 1/4", 5/16", 3/8", 7/16". Climax Metal Products Co. in business for over 60 years is the leading manufacturer of shaft collars, rigid couplings & keyless locking assemblies. Climax Metals, where fair market pricing and excellent customer service is our promise to you.