Description
The Dental Low Speed Handpiece Kit is a comprehensive 3-in-1 restorative operatory set engineered for dental clinics, hygiene practices, and dental laboratories. Featuring a 1:1 latch-type contra angle, a straight nosecone handpiece, and an ISO 3964 E-type pneumatic air motor (available in 2-hole or 4-hole configurations), it delivers smooth, bi-directional rotation up to 20,000 RPM for cavity preparation, caries removal, prophy polishing, and prosthetic trimming.
Key Clinical Advantages
- Complete 3-in-1 Operatory Set: Includes a latch contra angle, a straight nosecone handpiece, and an air motor in one versatile kit to handle diverse operative, prosthodontic, and laboratory tasks.
- 2-Hole & 4-Hole Motor Flexibility: Available in both 2-hole (Borden) and 4-hole (Midwest) air motor configurations to connect seamlessly with any clinic delivery unit.
- 1:1 Direct Drive Torque: Provides stable 1:1 speed transmission up to 20,000 RPM with forward and reverse directional control for precise prophy, trimming, and finishing.
- External Water Spray Cooling: Includes an external water spray attachment that delivers cooling directly to the treatment area, preventing thermal damage to tooth enamel and pulp.
- Universal ISO 3964 E-Type Connection: Motor and handpiece attachments feature standard E-type coupling, allowing interchangeable compatibility with existing dental handpieces.
- 135°C Fully Autoclavable: Constructed from medical-grade corrosion-resistant stainless alloys, both handpieces and motor withstand repeated steam autoclave sterilization up to 135°C (275°F).
Technical Specifications
| Transmission Ratio | 1:1 Direct Drive |
|---|---|
| Max Rotation Speed | 20,000 RPM (Forward & Reverse) |
| Working Air Pressure | 0.20 – 0.30 MPa (2.0 – 3.0 bar) |
| Hose Connection | 2 Holes (Borden) / 4 Holes (Midwest) options |
| Contra Angle Chuck | Latch type for CA burs (Ø 2.35 mm) |
| Straight Handpiece Chuck | Ring chuck for HP burs (Ø 2.35 mm) |
| Operating Noise | ≤ 70 dB |
| Cooling System | External detachable water spray pipe |
| Sterilization Standard | Steam autoclave safe up to 135°C (275°F) |
Package Contents
- 1 × Latch Type Contra Angle Handpiece (1:1)
- 1 × Straight Nosecone Handpiece (1:1)
- 1 × Pneumatic E-Type Air Motor (2-Hole or 4-Hole)
- 1 × External Water Spray Tube Attachment
- 1 × Oil Lubrication Nozzle Adapter
- 1 × Maintenance / Chuck Wrench
- 1 × English Instruction Manual




Frequently Asked Questions (FAQ)
Q: How do I select between 2-hole and 4-hole options?
A: Inspect the handpiece tubing connection on your dental chair delivery unit. If it has two round ports (drive air and water), select the 2-hole (Borden) option. If it has four ports (drive air, exhaust air, water, and chip air), select the 4-hole (Midwest) option.
Q: What bur shanks fit these handpieces?
A: The latch contra angle accepts standard Ø 2.35 mm Contra Angle (CA) latch burs. The straight handpiece accepts standard Ø 2.35 mm Handpiece (HP) long-shank burs, mandrels, and polishing wheels.
Q: Are all pieces in this kit autoclavable?
A: Yes. The contra angle, straight handpiece, and pneumatic air motor are all fully autoclavable up to 135°C (275°F) following proper cleaning and lubrication.




