Extra Deep Three Eighths Inch Drill Bushings Hardened Steel Guide Sleeves For Doweling Jigs Improve Alignment Over Longer Guiding Distance Reducing Tearout And Improving Hole Accuracy Precision Drill Guides For Woodworking 12 Pack

Extra-Deep Drill Bushings for Precise Dowel Jigs (12 Pack)
✔️ 3/8 bore, 1/2 OD, hardened steel, press-fit into 1/2 jig blocks

These extra-deep drill bushings provide long, precise guiding sleeves for dowel jig projects in woodworking. Made from hardened steel, they resist wear and extend the life of jig blocks when drilling hardwoods.

✅ inner diameter 3/8" bore, outer diameter 1/2" for secure press-fit into standard 1/2" jig blocks
✅ hardened, heat-treated steel for longevity in repeated drilling
✅ extended guiding surface reduces bit wobble and heat buildup
✅ collaboration-informed design with workshop-tested principles
✅ 12-pack for multiple jigs and backups

💡 What is a drill bushing used for in woodworking and dowel jig setups?

These handy sleeves guide the drill bit to maintain straight, repeatable holes. - Handy for guiding drill bits in dowel joinery to improve accuracy - Reduces tear-out and bit wander when drilling hardwoods - Works with standard 1/2" jig blocks for easy integration