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

300 Series Adapter (Inland No. 40317)

The 300 Series Adapter revolutionizes precision drilling and detailing by allowing you to use 1/8" (3 mm), 1/4" (6 mm), and 3/8" (10 mm) drilling bits without removing your existing ¾" or 1" grinding drum. Perfect for glass artists and lapidary experts seeking efficiency and accuracy.

Key Features

🔹 Universal Compatibility – Fits .312" (7.92 mm) arbors with ultra-low TIR <.0025" (.0635 mm) for wobble-free performance.
🔹 Multi-Task Design – Works seamlessly on top of ¾" or 1" diamond drums, eliminating downtime from tool changes.
🔹 Precision Engineering – Brass cores manufactured on "Swiss precision" machinery ensure consistent tolerances and balanced rotation.
🔹 Diamond-Coated Efficiency – Standard 100 Grit surface for versatile grinding, drilling, and edge refinement on glass, stone, and ceramics.

Technical Specifications

• Diameter: 5/8" (16 mm)

• Height: 10 mm

• Grit: 100 (multi-purpose)

• Compatibility: Designed for Inland grinders and universal lapidary machines.

Why Choose This Adapter?

✔ Time-Saving Workflow – Drill holes or add details without interrupting your grinding setup.
✔ Industrial-Grade Accuracy – Pre-measured brass cores ensure true spin alignment before diamond coating.
✔ Versatile Applications – Ideal for:

• Creating drainage holes in glass vases.

• Detailing gemstone cabochons.

• Precision drilling in metal inlays or ceramic tiles.

Usage Tips

1. Secure Installation – Use the included set-screw and Allen wrench for stable attachment.

2. Speed Control – Operate at medium RPM for glass drilling to prevent chipping.

3. Cooling – Apply water or coolant spray to extend bit life.

Ideal For:

• Glass Artists needing rapid tool switching for complex projects.

• Lapidary Workshops drilling precision holes in hard materials.

• DIY Enthusiasts upgrading their rotary tool kits.

Upgrade Your Precision Today!
Pair this adapter with diamond drilling bits and grinding drums for unmatched versatility in your studio.