5/8" High Diamond Stained Glass Lapidary Glass Grinder Head Bit Adapter

The 300 Series Adapter (Inland #40317) enables precision drilling and fine detailing without removing existing ¾" or 1" diamond grinding drums. Designed for seamless integration with Inland grinders, this adapter supports 1/8" (3mm), 1/4" (6mm), and 3/8" (10mm) drilling bits on a 0.312" (7.92mm) arbor with ultra-low TIR (<0.0025"/0.0635mm). Key Features: Multi-Task Efficiency: 100-grit diamond abrasive for versatile drilling, grinding, and edge finishing. Swiss-Machined Brass Core: Ensures <0.0025" runout for precision alignment and vibration-free operation. No Drum Removal: Mounts directly atop ¾" or 1" diamond drums, saving setup time. Technical Specifications: Diameter: 5/8" (16mm) Height: 10mm Compatibility: Fits Inland, Glastar, and most grinders with 0.312" arbors. Applications: Jewelry Making: Drill precise holes for gemstone settings or micro-engraving. Glass & Ceramics: Create clean openings in stained glass or technical ceramics. Mo