Overview
The United Abrasives 70011 is a premium general-purpose flap wheel designed for metalworking, deburring, and finishing tasks. This aluminum oxide grain wheel measures 1 inch diameter × 1 inch width with a 1/4 inch mandrel stem and delivers 80 grit medium-grade abrasion at maximum speeds up to 30,000 RPM. Packaged as a box of 10, these wheels are ideal for CNC machines, bench grinders, and rotary tools in manufacturing, fabrication, and maintenance environments.
Key Features
- Premium aluminum oxide grain for general-purpose cleaning, deburring, polishing, and blending
- Resin-over-resin construction for heat and moisture resistance; high-quality Egyptian cotton cloth backing for superior durability
- 2A style coated flap wheel for consistent cutting action and material removal
- 1/4 inch straight mandrel—fits standard rotary tool spindles and drill chucks
- Applicable to metal and wood materials
- Meets OSHA and ANSI B7.1 safety requirements for abrasive wheels
Technical Specifications
| Part Number | 70011 |
| Wheel Diameter | 1 inch |
| Wheel Width | 1 inch |
| Shank/Stem Diameter | 1/4 inch |
| Grit Size | 80 (Medium) |
| Abrasive Material | Aluminum Oxide |
| Wheel Type | 2A Coated Flap Wheel |
| Maximum Operating Speed | 30,000 RPM |
| Backing Material | Egyptian Cotton Cloth |
| Quantity per Box | 10 wheels |
| Manufacturer | United Abrasives / SAIT |
Typical Applications
- Metal deburring and edge conditioning on CNC machines and manual mills
- Surface blending and polishing on steel, stainless steel, and aluminum components
- Wood finishing and prep work
- Rust and scale removal in maintenance and restoration
- General-purpose finishing in job shops, fabrication plants, and in-house toolrooms
Compatibility & Replacements
Compatible With
- Bench grinders with 1/4 inch collets or straight mandrel chucks
- Rotary tools and flexible shaft tools with 1/4 inch spindles
- CNC finishing centers and surface grinders with 1/4 inch tool holders
- Pneumatic and electric die grinders rated for 30,000 RPM
Replaces / Drop-In Replacement For
Verify compatibility with your equipment manufacturer before ordering. The 1/4 inch mandrel design is standard across most flap wheel applications. Check spindle specifications and RPM ratings to ensure proper fit and safe operation.
Works With
- Manual rotating equipment and CNC finishing operations
- Handheld die grinders and Dremel-compatible rotary tools
- Industrial bench grinders and flex-shaft finishing stations














