Find the right 17 inch sanding discs for your floor machine quickly. This guide highlights five top options, explaining who they’re best for and why. Ideal for contractors, DIY homeowners refinishing hardwood, and professionals preparing concrete floors, these discs balance durability, performance, and value. Read on to compare options and choose the best 17″ sanding discs for your project.
Table quick glance: (Product, Best For, Key Benefit, Caution)
| Product | Best For | Key Benefit | Caution |
|---|---|---|---|
| Mercer Industries 427036 | Hardwood and concrete refinishing | Consistent silicon carbide, strong cloth backing | Requires 2″ center hole attachment |
| HUAALIUCHE 17″ Sanding Screen Discs 60 Grit | Floor buffers removing finishes | Mesh screen for efficient material removal | 60 grit may be aggressive on delicate finishes |
| HUAALIUCHE 17″ 80 Grit Screen | Between coats and prep | Good balance of finish removal and surface prep | Mesh screen may wear faster with tough materials |
| Mercer Industries 427060 | Heavy-duty refinishing | High-quality silicon carbide, durable backing | Similar to other Mercer discs; plan for replacement cycles |
| Mercer 427080 80X | Rough material removal | Coarse grit for fast stock removal | Coarser finish requires finer follow-up |
Mercer Industries 427036 Silicon Carbide Floor Disc, 17″ x 2″ Hole
Best for: Hardwood and concrete refinishing projects where a balance of price and performance is needed. This 20-pack of 17″ discs uses silicon carbide grain for consistent cutting and a heavy X-weight cloth backing for durability. The 2″ center hole matches standard drum sander attachments, making it easy to swap in quickly on large floor jobs.
Why selected: Silicon carbide provides reliable wear resistance, while the cloth backing resists tearing on tough surfaces. The 20-disc box supports larger projects without frequent restocking. A practical choice for professional floor refinishing or serious DIY floor renovations.
Caution: Ensure your sander’s dust collection and balance are appropriate for 17″ discs; vibration can be noticeable if discs are not centered properly.
HUAALIUCHE 17″ Sanding Screen Discs 60 Grit
Best for: Removing old finishes and wax from wood floors. The 60 grit mesh screen is designed for fast material removal and is well-suited for floor buffers or rotary floor machines. Use this when a strong initial cut is required to reset a worn surface.
Why selected: The mesh construction allows debris to clear quickly while maintaining aggressive cutting power. It’s a strong option when you need to strip finishes before refinishing a wood floor.
Caution: 60 grit is coarse; it can leave deeper scratches if not followed by finer grits or proper finishing steps.
HUAALIUCHE 17″ Sanding Screen Discs 80 Grit
Best for: Between-coats finishing prep on wood floors and light restoration tasks. The 80 grit screen provides a balanced approach, removing minor finish irregularities without excessive material removal.
Why selected: Designed for floor buffers and rotary machines, it’s a versatile choice for maintaining wooden floors between more aggressive passes. The mesh design remains relatively clog-resistant under typical floor finishing tasks.
Caution: Screen discs may wear more quickly than cloth-backed discs under heavy use; inspect for tears and replace as needed to avoid streaks on wood.
Mercer Industries 427060 Silicon Carbide Disc, 60X
Best for: Heavy-duty refinishing on hardwood or concrete floors where consistent cutting power is essential. This 60X grit disc continues Mercer’s emphasis on strong backing and reliable silicon carbide performance.
Why selected: A robust option for larger jobs requiring steady stock removal with a dependable grind rate. It pairs well with a wide range of floor machines and helps maintain a even surface profile during project phases.
Caution: Similar to other coarse discs, plan for subsequent finishing steps with finer grits to achieve a smooth final surface.
Mercer Industries 427080 Silicon Carbide Disc, 80X
Best for: Final surface preparation after heavy stock removal, or for general refinishing when a slightly finer finish is desired without switching disc types. It’s compatible with 17″ floor machines using the same center hole pattern.
Why selected: The 80X grit is a good middle ground between aggressive material removal and the need for a smoother final stage before finishing coats. It’s a reliable mid-range option within Mercer’s line.
Caution: Avoid using 80X on very rough substrates without first passing with a coarser grit to prevent excessive wear on the disc or uneven surfaces.
Buying Guide: 17 Inch Sanding Discs — Key Considerations
What matters most when choosing 17″ sanding discs is the balance between material removal rate, durability, and the type of floor you’re working on. Prioritize grit and backing type to match your machine and project scale.
- Grit: Coarser grits (60, 80) remove material quickly and are best for initial stock removal. Finer grits (80, 100, 120, or finer) leave smoother surfaces and are ideal for finishing before applying sealants or finishes.
- Backing: Cloth-backed discs tend to be stronger and resist tearing on heavy-duty jobs. Screen (mesh) discs cut efficiently and resist clogging but may wear faster in some applications.
- Attachment and compatibility: Confirm the center hole size (2″ is common for 17″ discs) and ensure your sander accepts this type of disc. Check machine speed and vibration as larger discs can exert more load.
- Floor material: Wood floors typically benefit from silicon carbide discs for predictable cuts, while concrete needs discs that cut hard coatings without excessive loading.
- Maintenance: Inspect discs for wear, cracks, or clogging. Replace discs showing significant wear to avoid streaking or gouging.
Frequently Asked Questions
- What is the advantage of silicon carbide discs?
Silicon carbide provides a fast, consistent cut and long life on hard surfaces, making it a common choice for both wood and concrete floors. - Are 17 inch discs compatible with most floor buffers?
Most 17″ discs are designed to fit standard floor machines with a 2″ center hole, but always verify your sander’s drum or pad configuration before purchasing. - When should I use mesh screens versus cloth-backed discs?
Mesh screens excel at debris clearance and aggressive material removal, while cloth-backed discs offer strength and durability for prolonged use on tough surfaces. - What grit should I start with on a worn wood floor?
Start with 60 or 80 grit to remove old finishes efficiently, then progress to finer grits (80–120) for finishing before sealing or staining. - How do I prevent disc tearing during use?
Ensure proper sander balance, secure mounting, and avoid forcing discs into corners or edges where they can bend or snag. - Can I use these discs on concrete and wood interchangeably?
Many 17″ discs are designed for both wood and concrete, but check the product features to confirm multi-surface suitability and follow manufacturer guidance for best results.