US No. 303 Busch Stainless Steel Mandrel | Busch No. 303RS 050 – RA | Pack of 6
The stainless steel disc mandrel dental bur from Busch & Co. GmbH is a precision-engineered instrument designed to securely hold and drive disc-type abrasives and cutting tools in the dental operatory. Manufactured in Germany to exacting standards, this mandrel delivers reliable performance across a wide range of clinical and laboratory applications.
This is a US No. 303. See all 2 Busch versions — materials, shanks, cuts and packs — on our US No. 303 page.
Product Overview
This stainless steel disc mandrel dental bur is classified under ISO standard 330 204 603 391 050 and is offered in a convenient pack of six, ensuring a ready supply for busy practices. The RA (right angle) shank configuration makes it compatible with standard contra-angle handpieces, providing a secure and stable connection during use.
Key Features
- Material: Stainless steel construction for durability and corrosion resistance
- Type: Disc mandrel
- Shank: RA (right angle)
- ISO Classification: 330 204 603 391 050
- Pack Quantity: 6 per pack
- Origin: Made in Germany
Applications
The stainless steel disc mandrel dental bur is suitable for mounting and driving separating discs, finishing discs, and similar rotary accessories. It is commonly used in restorative, prosthetic, and laboratory workflows where consistent rotational stability is essential.
Why Choose Busch?
Busch & Co. GmbH has a long-standing reputation for producing high-quality rotary dental instruments. Each stainless steel disc mandrel dental bur undergoes rigorous quality control to meet the demands of modern dental professionals seeking precision, longevity, and clinical reliability.
Instrument Dimensions
| Head Ø | 5.0 mm (ISO size 050) |
|---|---|
| Shank | RA / CA (Contra-Angle, latch) — 2.35 mm Ø, 22 mm overall length (ISO 204) |
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.
Busch Warranty & 60-Day Returns
This Busch instrument is guaranteed against manufacturing and workmanship defects — we'll repair or replace it under normal professional use. Unused, unopened product in its original packaging can also be returned or exchanged within 60 days of delivery. Full terms are on our Warranty page and Returns page.
FAQ
What handpieces are compatible with this instrument?
It has an RA (right angle, latch-type) shank, which fits standard slow-speed contra-angle handpieces.
How many are included per pack?
Each pack contains 6 mandrels.
Where is this instrument made?
It is manufactured by Busch & Co. in Engelskirchen, Germany, an ISO 13485-certified specialist in rotary precision instruments since 1905.
