Busch Diamond Disc Bur | Busch No. 9690G 220 – Coarse Grit – HP | Pack of 1

The diamond disc coarse grit pre-grinding acrylic ceramic instrument — the Busch 9690G 220 HP — is a precision-engineered rotary disc designed for the pre-grinding of acrylics and ceramic materials in dental laboratory workflows. With a diamond interspersed construction and coarse grit designation, this disc delivers aggressive, controlled material removal where initial surface preparation is required.

Product Overview

The Busch 9690G is classified under ISO standard 803 104 354 534 220, ensuring compatibility and consistency across professional dental laboratory applications. As a diamond disc coarse grit pre-grinding acrylic ceramic solution, it is specifically formulated to handle the demands of veneering and ceramic technology, providing reliable performance during pre-grinding stages.

Key Features

• Diamond Interspersed Construction: Uniformly distributed diamond particles across the disc surface for consistent cutting efficiency and extended service life.
• Coarse Grit: Optimized for aggressive pre-grinding of acrylics and ceramic substrates.
• ISO Classification: 803 104 354 534 220 — conforming to internationally recognized standards.
• Made in Germany: Manufactured to the exacting quality standards associated with German dental instrument production.

Instrument Dimensions

Per ISO 6360, the size number is the maximum head diameter in tenths of a millimeter. See our Busch Bur Size Chart for the full size conversion table, shank codes, and color ring guide.

Applications

This diamond disc coarse grit pre-grinding acrylic ceramic disc is supplied as a pack of 1 and is intended for use with compatible handpiece systems (HP shank). Busch & Co. GmbH instruments are recognized for their precision engineering and consistent clinical-grade performance.

The diamond disc coarse grit pre-grinding acrylic ceramic is well-suited for the following dental laboratory applications:

	Veneering/Ceramic Technology — Contouring, adjustment and finishing of veneering ceramics and all-ceramic restorations.
	Plastics Technology — Shaping, trimming and finishing of acrylic dentures and appliances.

FAQ

What materials is this disc designed to grind? The 9690G is designed for the pre-grinding of acrylics and ceramic materials in dental laboratory settings.

What is the ISO classification for this instrument? The ISO classification is 803 104 354 534 220.

Is this a diamond disc coarse grit pre-grinding acrylic ceramic instrument? Yes — it features a diamond interspersed disc with a coarse grit rating, purpose-built for pre-grinding acrylic and ceramic substrates.

How is it supplied? This product is supplied as a pack of 1.