Busch Steel Twist Drill | Busch No. 203 016 – HP | Pack of 6
The steel twist drill pack of 6 from Busch & Co. GmbH is a precision-engineered rotary tool designed for reliable performance in demanding drilling applications. Manufactured from quality steel, this twist drill delivers consistent results whether you are working with plastics or intricate model-making projects.
Product Details
- Material: Steel
- Type: Twist Drill
- Pack Contents: 6 drills
- Standard Classification: ISO: 310 104 417 364 016
Applications
The steel twist drill pack of 6 is suited for use across a range of precision disciplines. Its geometry and steel construction make it a dependable choice for professionals and hobbyists alike.
The steel twist drill pack of 6 is well-suited for the following dental laboratory applications:
| Plastics Technology — Shaping, trimming and finishing of acrylic dentures and appliances. | |
| Model Making — Trimming and detailing of plaster and stone models. |
Instrument Dimensions
| Head Ø | 1.6 mm (ISO size 016) |
|---|---|
| Shank | HP (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.
German Engineering Quality
Busch & Co. GmbH has a long-standing reputation for manufacturing high-quality rotary tools. Each steel twist drill pack of 6 reflects the company's commitment to precision, consistency, and durability that professionals trust.

FAQ
What is included in this pack? Each order contains 6 individual steel twist drills.
What is the ISO classification for this drill? The standard classification is ISO: 310 104 417 364 016.
Which materials is this drill best suited for? The steel twist drill pack of 6 is recommended for use in plastics technology and model-making applications.

