CENTER PUNCH ALIGNMENT SET (Ø8–20 mm)

This 3D-printed centering guide set is designed for use with an automatic center punch. It allows precise and repeatable marking in holes ranging from 8 mm to 20 mm in diameter. Each bushing fits snugly into the hole and aligns the punch tip exactly at the center, ensuring accuracy in layout and drilling operations.Key Features: • For hole diameters from 8 mm to 20 mm (in 1 mm increments) • Compatible with standard automatic center punches • Provides tight fit to prevent tool wobble or misalignment • Compact and easy to use — ideal for woodworking, metalworking, and DIY • Can be printed without supports (recommended layer height: 0.2 mm)Usage: 1. Insert the appropriate guide bushing into the hole. 2. Place the automatic center punch into the guide. 3. Press down to mark the exact center.