859 Pointed Taper Diamond Bur – Busch, Made in Germany

Which Busch 859 Do You Need?

Choose the shank and grit first, then the head size; every active 859 in the collection is linked once below, and the last three digits of each Busch number are the ISO head size.

Busch 859 diamonds – FG, coarse grit

Busch No.	Pattern or size
6859 014	ISO size 014 (1.4 mm) · coarse grit, green ring · FG · pack of 6
6859 018	ISO size 018 (1.8 mm) · coarse grit, green ring · FG · pack of 6

Busch 859 diamonds – FG, medium grit

Busch No.	Pattern or size
859 010	ISO size 010 (1.0 mm) · medium grit · FG · pack of 6
859 014	ISO size 014 (1.4 mm) · medium grit · FG · pack of 6
859 016	ISO size 016 (1.6 mm) · medium grit · FG · pack of 6
859 018	ISO size 018 (1.8 mm) · medium grit · FG · pack of 6

Busch 859 diamonds – FG, fine and extra fine grit

Busch No.	Pattern or size
859EF 010	ISO size 010 (1.0 mm) · extra fine grit, yellow ring · FG · pack of 2
859EF 014	ISO size 014 (1.4 mm) · extra fine grit, yellow ring · FG · pack of 2
859EF 018	ISO size 018 (1.8 mm) · extra fine grit, yellow ring · FG · pack of 2
8859 010	ISO size 010 (1.0 mm) · fine grit, red ring · FG · pack of 2
8859 014	ISO size 014 (1.4 mm) · fine grit, red ring · FG · pack of 2
8859 018	ISO size 018 (1.8 mm) · fine grit, red ring · FG · pack of 2

Busch 859 diamonds – HP (straight handpiece)

Busch No.	Pattern or size
859 014	ISO size 014 (1.4 mm) · medium grit · HP · pack of 2
859 018	ISO size 018 (1.8 mm) · medium grit · HP · pack of 2
859 023	ISO size 023 (2.3 mm) · medium grit · HP · pack of 2
8859 018	ISO size 018 (1.8 mm) · fine grit, red ring · HP · pack of 2

Choosing a Grit

Busch marks grit with a colored ring and a prefix on the figure number, so you can order the exact 859 you need:

• Coarse (green ring): Busch No. 6859 for rapid reduction
• Medium (standard): Busch No. 859 for everyday preparation
• Fine (red ring): Busch No. 8859 for refining margins and surfaces
• Extra Fine (yellow ring): Busch No. 859EF for final finishing and polishing preparation

Sizes and Shanks

The three-digit size code is the head diameter in tenths of a millimeter (for example, 012 = 1.2 mm).

• HP (2.35 mm shank for the straight handpiece)
• FG (friction grip, 1.6 mm shank for the high-speed handpiece)

See the Busch Bur Size Chart for full dimensions and the Dental Bur Speed Chart for maximum recommended speeds.

Made in Germany by Busch & Co.

Busch & Co. has manufactured rotary instruments in Engelskirchen, Germany since 1905. Each diamond is produced under ISO 13485-certified quality management on a concentric shank for smooth, chatter-free cutting, and is covered by our Busch warranty.

Clinical Use

• Interproximal reduction: separating teeth and breaking contacts with a fine, pointed tip.
• Feather-edge margins: axial reduction ending in a knife-edge finish line.
• Line angles and grooves: refining axial line angles and placing guide grooves.

Care and Reconditioning

Busch rotary instruments are reusable: clean, disinfect and sterilize them between patients according to the manufacturer’s instructions, and replace a bur once it dulls or shows damage. Our Dental Bur Reprocessing & Sterilization Guide walks through the workflow for carbide, diamond and steel instruments.

Compare With

Related Busch collections: 852 Pointed Taper Diamond Bur, 858 Pointed Taper Diamond Bur, 850 Round-End Taper Diamond Bur, and Crown and Bridge Dental Burs. For numbering, sizes and speeds, see the US Bur Number Finder, the Color Coding & ISO Guide and the Dental Bur Speed Chart.

Reference resources: Bur Comparison Chart · Size Chart · Bur Glossary · All Busch Diamond Burs

FAQ

What sizes does the Busch 859 come in? We carry the 859 in head sizes 010 (1.0 mm), 014 (1.4 mm), 016 (1.6 mm), 018 (1.8 mm) and 023 (2.3 mm).

What do the numbers in front of 859 mean? They indicate grit: 6859 is coarse, 859 with no prefix is medium, 8859 is fine and 859EF is extra fine.

Should I order FG or HP? FG fits the high-speed handpiece used for most clinical preparation. HP fits the straight handpiece used for laboratory work and chairside adjustments.

Can Busch diamonds be reused? Yes. Clean, disinfect and sterilize between patients following the Bur Sterilization Guide, and replace the bur when cutting efficiency drops.