Description
SEM 3" 36 Grit Quicklock Grinding Disc (25pk) | Boat Supply Store
Engineered for aggressive material removal in demanding marine environments, this 3-inch 36-grit grinding disc utilizes SEM's 'precision grain technology' with full ceramic grain for superior cutting speed and extended disc life. Its reinforced backing ensures durability during heavy-duty tasks on metal, fiberglass, and composite hull structures. Ideal for fabricating, repairing, or preparing surfaces on offshore sportfishing vessels or coastal cruising yachts.
Key Features
- Aggressive Material Removal: Full ceramic grain cuts faster and lasts longer.
- Uniform Finish: Precision grain technology ensures consistent surface preparation.
- Extended Disc Life: Ceramic grain withstands high temperatures and wear.
- Robust Construction: Reinforced backing provides enhanced durability.
- Quick & Secure Mounting: Quicklock attachment system for efficient tool changes.
- Optimal Coarseness: 36-grit provides aggressive stock removal.
- 3-Inch Diameter: Compact size for detailed work.
- Bulk Packaging: Box of 25 for continuous project workflow.
Specifications
| Product Specifications | |
|---|---|
| Diameter | 3-inch |
| Grit Coarseness | 36 Grit |
| Grain Type | Full Ceramic Grain |
| Attachment System | Quicklock |
| Quantity | 25 discs per box |
| Backing | Reinforced |
Who This Is For
Marine professionals, boat builders, and dedicated DIY boat owners requiring rapid material removal and surface preparation for metallic, fiberglass, and composite substrates. Essential for hull fabrication, repair, and restoration projects.
How It Compares
| Feature | SEM 3" 36 Grit Quicklock Grinding Disc (25pk) | Competitor |
|---|---|---|
| Grit | 36 Grit | Coarse (~60-80 grit equivalent), Not specified |
| Grain Type | Full Ceramic Grain | Non-woven abrasive, Aluminum Oxide |
| Attachment System | Quicklock | Roloc, Arbor Mount |
| Quantity per Box | 25 | Varies (often sold individually or in packs of 5-10), Varies |
Common Concerns Answered
Is this disc too aggressive for fine finishing tasks?
This 36-grit disc is designed for aggressive material removal; for more delicate finishing, consider discs with a higher grit count or different abrasive types.
What backing pad do I need for this disc?
A compatible 3" Quicklock or Roloc backing pad is required for secure and efficient mounting to your angle grinder.
Will the investment in these discs pay off?
While the initial cost may be higher than generic options, the superior cutting performance and extended longevity provided by SEM's ceramic grain technology offer significant long-term value for demanding marine applications.
Frequently Asked Questions
What is the grit of the SEM 3" 36 Grit Quicklock Grinding Disc?
The grit coarseness of this SEM grinding disc is 36 Grit.
How many discs are included in a box of SEM 3" 36 Grit Quicklock Grinding Discs?
A box of SEM 3" 36 Grit Quicklock Grinding Discs contains 25 discs.
What type of grain technology does SEM use in their abrasive products?
SEM utilizes 'precision grain technology' with full ceramic grain in these abrasive products.
What substrates are these SEM grinding discs suitable for?
These SEM grinding discs are suitable for metal, fiberglass, and composite materials.
What is the purpose of the reinforced backing on these discs?
The reinforced backing on these discs enhances their durability for demanding marine applications and prolonged use.
