Busch & Co. GmbH  |  SKU: 030462

Busch Diamond Cylinder Round Bur | Busch No. 842R 021 – Medium Grit – HP | Pack of 2

Regular price $27.99
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The medium grit cylinder diamond dental bur from Busch & Co. GmbH is a precision-engineered rotary instrument designed for reliable performance in demanding clinical environments. Manufactured to exacting standards in Germany, this diamond bur delivers consistent cutting efficiency and controlled material removal across a wide range of restorative and prosthetic applications.

ShapeCylinder Round
GritMedium
PackPack of 2
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$27.99
Product details

Product Specifications

  • Shape: Cylinder Round
  • Grit: Medium
  • ISO Classification: 806 104 143 524 021
  • Pack Contents: 2 burs per pack

Why Choose This Medium Grit Cylinder Diamond Dental Bur?

The medium grit cylinder diamond dental bur offers an optimal balance between cutting speed and surface finish. The cylindrical form provides excellent access and control during preparation work, allowing clinicians to achieve precise margins and defined cavity walls with confidence. Each bur is manufactured to ISO standard 806 104 143 524 021, ensuring dimensional accuracy and compatibility with standard high-speed handpieces.

Applications

This instrument is particularly suited for Crown and Bridge Technology, where precision and repeatability are essential. The medium grit diamond surface handles tooth structure and restorative materials efficiently, making it a dependable choice for everyday prosthetic workflows.

As a genuine Made in Germany product from Busch & Co. GmbH, this medium grit cylinder diamond dental bur reflects decades of expertise in dental rotary instrument manufacturing. German engineering standards underpin every aspect of the production process, from diamond bonding to shank tolerances.

Instrument Dimensions

Head Ø2.1 mm (ISO size 021)
ShankHP (Straight Handpiece) — 2.35 mm Ø, 44.5 mm overall length (ISO 104)

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.

Warranty & returns

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 is the ISO classification for this bur?

The ISO classification is 806 104 143 524 021, confirming the instrument type, grit, and geometry.

How many burs are included per pack?

Each pack contains 2 burs.

What applications is this bur recommended for?

It is recommended primarily for Crown and Bridge Technology procedures requiring controlled tooth preparation.

Compare With

Manufacturer Reference
Komet (Gebr. Brasseler) 842R.104.021
NTI (Kerr Rotary) M842R-021
Expert Help
Not sure which instrument fits your procedure?
Talk to our instrument specialists for selection assistance.
60-day returns
Busch products: 60 days, unopened and unused.
Returns & Refunds
Warranty
Busch instruments are guaranteed against manufacturing and workmanship defects.
View warranty
Made in Germany, shipped from the US
Busch & Co. has been making burs in Germany since 1905, under ISO 13485.