Busch Steel Twist Drill | Busch No. 203 015 – HP | Pack of 6
The steel twist drill pack of 6 from Busch & Co. GmbH is a precision rotary cutting tool engineered for reliable, consistent performance across demanding applications. Crafted from high-quality steel, this twist drill delivers clean, accurate holes in a range of materials commonly encountered in technical and model-making workflows.
Product Details
- Material: Steel
- Type: Twist Drill
- Pack Quantity: 6 pieces
- Standard Classification: ISO: 310 104 417 364 015
Applications
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 | 1.5 mm (ISO size 015) |
|---|---|
| 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.
Why Choose This Steel Twist Drill?
Busch & Co. GmbH has a longstanding reputation for producing high-precision rotary tools manufactured in Germany. Each steel twist drill pack of 6 reflects that commitment to quality, offering professionals a dependable supply of tools that meet strict ISO classification standards. Buying in a pack of 6 ensures continuity of work and reduces downtime between tasks.

FAQ
What is included in this pack? This listing includes 6 individual steel twist drill bits, all conforming to the same ISO classification.
What materials can this drill be used on? This tool is particularly suited for plastics technology and model-making applications, as indicated by the product's application guidelines.
Is this product manufactured in Germany? Yes, Busch & Co. GmbH tools are made in Germany to high precision standards.

