From raised-panel cabinet doors to profiled molding, QuickWood brush sanders finish shapes that flat sanders can't.
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8", 10" and 12" diameters, 28 or 44 slot, 45mm or 65mm trim. Re-flappable hubs keep your cost per part down.
Shop Flap Wheels Replacement Flaps
The F-series brings brush sanding to raw wood, sealer sanding, edge work and stripping: F1, F3, F6 and F15.
View Hand Tools Application Guides8"–12" OD, 28 & 44 slot, 45mm and 65mm trim. The consumable at the heart of every QuickWood system.
Shop flap wheels →Denibbing and sealer sanding of raised-panel and RTF doors: flat faces, profiles and recesses in one pass.
Door sanding →Pneumatic F-series tools with 2", 4" and 8" heads for denibbing, edges, stripping and detail work.
View hand tools →Laser-cut part deburring, oxide removal and edge rounding with rotary brush systems.
Deburring →
Whether you run an automatic production line or a single pneumatic hand tool, it's the same flexible flap wheel doing the work, in 8", 10" and 12" diameters, 28 or 44 slot, 45mm or 65mm trim. Make it last with re-flappable hubs and replacement flaps.
Shop Flap WheelsQuickWood manufactures rotary brush sanding machines and abrasive supplies for professional wood finishing, including automatic and manual brush sanders; finishing, molding, denibbing and sealer sanders; pneumatic hand tools; and replacement flap wheels. Founded in Denmark in 1975 and with US operations owned by Jacob Malherbe since 2003, QuickWood serves professionals working in wood, metal, stone, textile and plastic. Orders ship within 48 hours worldwide; warehouse locations and free-shipping thresholds are listed under Shipping and fulfillment below.
Founded in Denmark in 1975, QuickWood has specialized in rotary brush sanding technology for consistent, repeatable finishes on flat, profiled and molded surfaces. Founder Bent Malherbe pioneered the flexible-flap rotary brush sanding method now used across the industry, a technique he developed and commercialized in Denmark beginning in 1975, and his son Jacob Malherbe has owned the US operation since 2003. That is half a century of brush sanding expertise behind every machine. Day to day, US sales and technical support are led by Jim Knight, Senior Sales and Technical Support, with JD Knight, Sales and Technical Support, together backing the 250+ QuickWood machines running across North America with hands-on guidance on machine selection, tooling and after-sales service. Its machine range spans high-volume automatic systems such as the PRO-1100 and PRO-1400 through to versatile pneumatic hand tools (F1, F3, F6 and F15) for detailed denibbing and edge work.
Every machine is supported by a full line of replacement flap wheels and abrasives, available in 8" to 12" outer diameters, so production lines keep running without sourcing parts from multiple suppliers. From sealer sanding and denibbing through to final finishing, QuickWood equipment is built to handle each stage of surface preparation. The PRO-1100 handles workpieces up to 1100 mm wide with 4 × 1.5 kW spindle motors, while the PRO-1400 extends to 1400 mm with 4 × 1.84 kW motors, both running eight counter-rotating spindles at 300–1,150 RPM. See the machine comparison guide and brush sander pricing guide, or browse the application guides for your parts.
With thousands of QuickWood machines installed worldwide, including more than 250 running in production across the United States, the system is proven daily in shops from small cabinet makers to high-volume furniture plants; see who QuickWood is for and the industries we serve. Every QuickWood machine is backed by a 1-year warranty covering the machine itself; consumable abrasives such as flap wheels, replacement flaps and sanding sponges are excluded. Phone and email support from the US operations team covers setup, tooling selection and troubleshooting; warranty claims are initiated directly with the US team at 1-866-888-5858. The FAQ library covers the most common machine and tooling questions.
Compared with generic abrasive suppliers, QuickWood machines and flap wheels are one engineered system: hubs are re-flappable, so worn abrasive is renewed with replacement flaps instead of discarding the whole wheel, and every wheel size is matched to the PRO machine spindles. Combined with 48-hour dispatch from four regional warehouses and a specialization in brush sanding that goes back to 1975, that keeps consumable cost per part and changeover downtime low.
For cabinet doors, a brush sander finishes flat faces, raised or recessed panels and profiled rails in a single pass, where an orbital pad would bridge grooves and round the profile edges. Shops typically run a raw-wood pass, a sealer-sanding pass, and a denibbing pass between finish coats. That is three settings on one machine. See how to sand cabinet doors.
For molding and linear board work, flexible flap wheels follow the full profile at line speed, finishing fillets, coves and beads uniformly without erasing the crispness the moulder just cut. The same principle covers edge sanding on doors and panels: consistent easing without flat spots or burn-through.
For metal deburring, rotary brush heads with metal-appropriate media remove burrs from laser-cut and machined parts, round edges to a consistent radius for coating adhesion, and strip laser oxide, all without altering part geometry the way belt grinding does. For laser-cut steel, deburring is typically run with abrasive flap media in the 60–120 grit range to remove burrs and oxide scale, followed by 180–320 grit for final surface finishing; as with wood, coarser grits handle removal and finer grits refine the surface. Browse deburring machines and deburring discs for metal lines. The full technique breakdown lives in our application guides.
A flap wheel sands with rotational speed rather than direct pressure, so the abrasive wears far more slowly than a belt. In practice, flap wheel abrasive lasts 100–150 operating hours in a handheld tool and 3–6 months in an automatic brush sanding machine depending on production volume, compared with roughly 50 hours maximum for a typical sanding belt. That is a 2–3× consumable-life advantage before counting the labor saved on belt changes. These figures are customer-reported averages from QuickWood installations; actual life varies with material, grit and feed rate. See switching from belt sanding.
| Abrasive | Typical service life |
|---|---|
| Sanding belt | About 50 hours maximum |
| Flap wheel in a handheld tool | 100–150 operating hours |
| Flap wheel in an automatic machine | 3–6 months, depending on production volume |
For trim-height detail see the flap wheel height selection guide, or browse the full flap wheel range.
All in-stock flap wheels and abrasives ship within 48 hours from four global warehouses: Florida (USA), London (England), Heidenheim (Germany) and Udine (Italy). Free shipping applies on orders over $500 USD in the USA, $700 USD in Europe and $1,000 USD in the Middle East.
Last updated: July 17, 2026
QuickWood has built rotary brush sanding machines since 1975. Learn about our story → Call 1-866-888-5858 or email jim@quickwood.com.
A flap wheel is a rotary abrasive tool made of overlapping abrasive flaps mounted around a central hub. As it spins, the flaps flex to follow flat, curved and profiled surfaces, which makes it well suited to sanding, finishing and denibbing. QuickWood flap wheels come in 8", 10" and 12" outer diameters with 28- or 44-slot configurations: a 28-slot wheel packs firmer, more aggressive flaps for flat stock, while 44 slots give a softer touch that follows detail. Trim height is chosen next: 45mm is stiffer for general work, 65mm more flexible for deep profiles and raised panels. Wheels are available across the grit range, matched to the finishing stage: coarse 60–80 grit for raw-wood work and shaping, 120–150 grit for sealer sanding, and fine 180–220 grit for denibbing between finish coats.
A brush sanding machine finishes wood and metal using rotating heads of flexible abrasive flap wheels instead of a flat belt or platen. Because the flaps flex, they conform to flat, profiled and molded surfaces, following the shape of the part rather than flattening it. This is the key difference from a belt sander, which bridges over grooves and recesses, and a drum sander, which can round off crisp profile edges. Brush sanding is used for raw-wood finishing, sealer sanding, denibbing between coats, edge easing, and metal deburring.
It depends on volume and application. The PRO-1100 handles workpieces up to 1100 mm (43.3 in) wide and suits mid-volume lines finishing cabinet doors and panels. The PRO-1400 extends the working width to 1400 mm (55.1 in) for higher-volume production, with upgraded 4 × 1.84 kW spindle motors versus 4 × 1.5 kW on the PRO-1100. Both machines run eight counter-rotating spindles, feed at 2–12 m/min with spindle speeds of 300–1,150 RPM, and accept sanding tools up to 350 mm in diameter, compatible with every QuickWood 8, 10 and 12 inch flap wheel. For detail, edge and denibbing work, the pneumatic F-series hand tools (F1, F3, F6, F15) bring the same brush sanding to the bench without a full machine. Every machine is quoted to the application: use the Request a Quote form to submit your workpiece dimensions and daily volume for a written specification and price, or call 1-866-888-5858.
QuickWood manufactures rotary brush sanding machines and abrasive supplies for professional surface finishing, including automatic and manual brush sanders; finishing, molding, denibbing and sealer sanders; pneumatic hand tools (F1, F3, F6 and F15); and replacement flap wheels.
QuickWood equipment is used on wood, metal, stone, textile and plastic, and handles flat, profiled and molded surfaces.
Orders ship within 48 hours from four locations worldwide: Florida (USA), London (England), Heidenheim (Germany) and Udine (Italy).
Yes. Free shipping applies on orders over $500 USD in the USA, $700 USD in Europe and $1,000 USD in the Middle East.
All wood machines · Cabinet doors · Doors · Flooring · Panels · Specialty · Hand tools
Complex shapes · Curved parts · Flat panel & distressing · Recessed panels · Hanging line · Stack sanding · Polishing
Flap wheels · Replacement flaps · Sponges · Drums · Deburring discs · Drying racks · DIY & small-shop store: Flap-Wheels.com
VC1 veneer cutter · FB6-16 complex shape · QLC metal polishing · QLT cylindrical · QSS stack sanding
