OPTIgrind GZ 20D – Double Grinder

The HOLZMANN BT1220 is a robust and versatile belt and disc sander designed for sanding wood, plastics, and similar materials in workshops and hobby environments. The combined sanding belt and sanding disc allow straight, angled, and contour sanding in one machine. It operates on 230 V power and features a 1.125 kW (S6) motor for smooth and consistent performance. 

Key Features:

• Combined belt and disc sanding unit for versatile applications
• Powerful motor: 1.125 kW (S6), 750 W (S1)
• Graphite‑coated contact surface reduces belt friction and increases belt lifetime
• Grey cast iron work table and base for excellent stability and low vibration
• Pivoting sanding table with mitre gauge for precise angle sanding
• Dust extraction port for a cleaner working environment
• Supplied with stand, sanding belt, sanding disc, and mitre gauge 

Technical Specifications:

• Supply voltage: 230 V / 50 Hz
• Motor power: 1.125 kW (S6) / 750 W (S1)
• Speed: 1400 min⁻¹
• Sanding disc diameter: 228 mm
• Sanding belt size: 150 × 1220 mm
• Work table size: 310 × 190 mm
• Net / gross weight: approx. 51 / 52 kg

The HOLZMANN BT1220TOP is a powerful and robust professional belt and disc sanding machine, designed for precise sanding of edges, flat surfaces, angles, and curved workpieces made of wood and wood‑based materials. Thanks to its large sanding surfaces and rigid construction, it is ideal for demanding workshops and semi‑professional applications.

The machine is equipped with a tilting aluminium work table (up to 45°) and a belt sanding unit adjustable from 0° to 90°, both horizontally and vertically, offering excellent versatility. The cast‑iron base and work surfaces ensure high stability and low vibration during operation. The quick‑release belt tensioning system allows fast and easy belt changes, while the Ø 50 mm dust extraction port helps maintain a clean working environment.

The sander can be operated with the supplied stand or mounted on a suitable workbench.

Key Features:

• Powerful 750 W motor for continuous, stable sanding performance
• Combination belt and disc sander for versatile applications
• Tilting aluminium work table (0°–45°)
• Belt sanding unit adjustable from 0° to 90°, horizontally and vertically
• Heavy‑duty cast‑iron base and working surfaces for excellent stability
• Quick belt change system with fast‑tensioning mechanism
• Dust extraction port Ø 50 mm
• Suitable for edge, angle, curved and surface sanding

Technical Specifications:

• Power supply: 230 V / 50 Hz
• Motor power: 750 W (S1)
• Sanding belt size: 150 × 1220 mm
• Sanding belt speed: 8 m/s
• Sanding disc diameter: 250–254 mm
• Disc speed: 2980 rpm
• Work table size: 332 × 170 mm
• Dust extraction port: Ø 50 mm
• Net weight: approx. 39 kg
• Gross weight: approx. 42 kg

Scope of Delivery:

• HOLZMANN BT1220TOP belt & disc sander
• Stand / base frame
• Sanding belt
• Sanding disc
• Mitre gauge
• Fence and mounting hardware

The HOLZMANN BT46 is a compact and reliable belt and disc sander, designed for sanding edges, flat surfaces, angles and curved workpieces made of wood and wood‑based materials. Its compact footprint makes it an excellent choice for home workshops and limited working spaces, while still offering versatile adjustment options.

The machine features a tilting aluminium work table (up to 45°) and a belt sanding unit adjustable from 0° to 90°, both horizontally and vertically, allowing flexible and precise sanding. The cast‑iron machine base ensures good stability and low vibration during operation. A quick‑release belt tensioning system enables fast belt changes, and the dust extraction option helps keep the workspace clean. 

Key Features:

• Combination belt and disc sander for versatile applications
• Motor power: 250 W (0.25 kW)
• Tilting aluminium work table (0°–45°)
• Belt sanding unit adjustable 0°–90°, horizontally and vertically
• Heavy‑duty cast‑iron base for improved stability
• Quick belt change system with fast clamping mechanism
• Dust extraction option for cleaner operation

Technical Specifications:

• Power supply: 230 V / 50 Hz
• Motor power: 250 W
• Sanding belt size: 100 × 915 mm
• Belt speed: up to 490 m/min
• Sanding disc diameter: 150 mm
• Table size: 150 × 230 mm
• Net weight: approx. 18 kg

Technical Specifications:

• Motor power: 0.35 kW (S1)
• Supply voltage: 230 V / 50 Hz
• Sanding belt size: 100 × 914 mm
• Sanding disc diameter: 150 mm
• Belt speed: approx. 292 m/min
• Disc speed: 1450 min⁻¹
• Table size: 190 × 125 mm
• Weight (net): approx. 12.5 kg

The HOLZMANN BT75 is a compact and versatile mini belt and disc sander, ideal for precise sanding, edge finishing and small workpiece processing. Thanks to its compact size and robust design, it is perfectly suited for hobby workshops, model making, and light-duty finishing tasks.

The machine features a constant-speed sanding belt, a rotating disc sanding table, and a reliable induction motor, ensuring smooth, low‑vibration operation. The aluminium housing provides a lightweight yet stable structure, enabling accurate and safe handling.

Key Features:

• Compact mini design, ideal for limited workspace
• Combination belt and disc sander for versatile sanding tasks
• Constant belt speed for uniform sanding results
• Rotating sanding table for different sanding angles
• Durable aluminium housing
• Reliable induction motor for smooth and quiet operation
  
  

Technical Specifications:

• Power supply: 230 V / 50 Hz
• Motor power: 250 W
• Sanding belt size: 25 × 760 mm
• Sanding disc diameter: 125 mm
• Disc speed: approx. 2950 rpm
• Table size: approx. 190 × 125 mm
• Net weight: approx. 7.5 kg