Description
Overview:
This Blade Bush 20mm is a genuine Husqvarna replacement part for Husqvarna/Partner cut-off saws, including the K650 and K750. It is a precision metal adapter bush that centres and supports the cutting disc on the spindle, helping your machine run smoothly with reduced vibration. The bush adapts a 20 mm blade bore to a 15 mm spindle (inner diameter 14.9 mm) and features a stepped outer profile: 20 mm on the main body with a 23 mm maximum outer diameter at the flange for positive location. Built for tough site use, it provides a secure, accurate fit for abrasive and diamond blades used in construction cutting. As a genuine part, it matches OEM dimensions for reliable integration and long service life on compatible models.
Key Features:
- Genuine Husqvarna part for consistent fit and performance
- Adapts 20 mm blade bore to a 15 mm spindle (I/D 14.9 mm) for correct centring
- Stepped design: O/D 20 mm body with 23 mm flange for stable seating
- Durable metal construction for high-speed cut-off applications
- Helps reduce blade wobble and vibration for cleaner, more accurate cuts
- Simple, drop-in replacement with no modifications needed
- Suitable for abrasive and diamond blades used on site and in workshops
- Supports safe operation by ensuring proper blade support and alignment
- Designed to integrate seamlessly with K650, K750, and K760 platforms
- Reliable choice for replacing worn or damaged blade bushes
Typical Applications:
Used on petrol cut-off saws for cutting concrete, masonry, brick, block, stone, and asphalt. Ideal for construction, landscaping, utilities, and hire fleets where consistent blade alignment and smooth running are essential. Suits both diamond and abrasive discs in day-to-day site work and maintenance tasks.
Also known as:
Blade bushing, reducer ring, arbor bush, reducer washer, centring bush, flanged reducer, blade spacer, bore reducer, blade adaptor.
Fits Models:
K650 Active, K650 Mark II, K650 Super, K750, K760
Alternate Part Numbers:
506 37 96-01, 506 03 95 20, 506 02 88 20, 506379601, 506039520, 506028820, E6140
Product Specifications
L&S Part No. | 650 033 |
---|---|
Part Type | Genuine Part |
Manufacturer | Husqvarna |
OEM No. | 506379601 |
Unit of Sale | 1 |
Size | 20mm |
Applications | K650 Active, K650 Mark II, K650 Super, K650Active, K650MarkII, K650Super, K750, K760, MARKII, Mark II |
Machine Type | Disc Cutters |
Fits Brands | Husqvarna |
Fits Models | K750 | K650 Super, Mark II | K760 |