Busch Hitzlos Unmounted Wheel | Busch No. 773 190 | Pack of 12

The unmounted abrasive wheel hitzlos medium grit from Busch & Co. GmbH is a precision-engineered rotary abrasive tool designed for demanding dental laboratory applications. Built to perform without generating excessive heat, the Hitzlos designation reflects its low-heat abrasive action, making it well-suited for work on heat-sensitive restorations and materials.

Product Details

• Type: Unmounted Abrasive Wheel
• Grit: Medium
• Series: Hitzlos
• Reference: 773 190
• ISO Classification: 654 900 373 522 190
• Pack Contents: 12 wheels per pack

Applications

The unmounted abrasive wheel hitzlos medium grit is well-suited for the following dental laboratory applications:

	Crown and Bridge Technology — Shaping, trimming and finishing of crown and bridge frameworks in the laboratory.
	Veneering/Ceramic Technology — Contouring, adjustment and finishing of veneering ceramics and all-ceramic restorations.

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.

Why Choose Hitzlos?

The term Hitzlos refers to a low-heat abrasive principle that helps protect delicate dental materials during grinding and finishing. The unmounted abrasive wheel hitzlos medium grit delivers consistent, reliable stock removal while minimising thermal stress on the workpiece. Manufactured in Germany to exacting standards, these wheels maintain performance across the entire pack of 12.

FAQ

What does unmounted mean? Unmounted indicates the wheel does not include an integrated mandrel or shank, and must be used with a compatible separate mandrel.

What is the ISO classification for this product? The ISO classification is 654 900 373 522 190.

How many wheels are included? Each pack contains 12 wheels.