
United Abrasives SAIT 70984 TrimBack Flap Disc delivers dependable grinding performance for metalworking professionals who need aggressive stock removal and long-lasting durability. Built with premium Aluminum Oxide 120 Grit abrasive, this disc provides fast cutting action while maintaining consistent results throughout its lifespan. Designed with a 4-1/2" Diameter, 5/8"-11 Arbor Hole, and Type 27 (flat) profile, this flap disc is ideal for grinding flat surfaces, beveling, deburring, rust removal, weld blending, and edge work.
The TrimBack design allows you to safely trim the backing to expose additional flap material—extending disc life and maximizing value. Upgrade your grinding efficiency with the reliable performance of the SAIT TrimBack Flap Disc—built for durability, speed, and precision.
Type: Flap Disc | Abrasive Material: Aluminum Oxide | Diameter (in.): 4-1/2 | Arbor Hole (in.): 5/8-11 | Grit: 120 | Max RPM: 13300 | Disc Type: Type 27 | Box of: 10 | __quantity: 10
Features:
- Premium aluminum oxide with grinding aid for grinding and finishing on stainless steel with minimal discoloration
- Works great on aluminum and non-ferrous materials with minimal loading
- Provides long life while maintaining high stock removal rates
- Trimmable design allows for easy trimming to expose more material
- Only the TrimBack line of flap discs are able to be trimmed to expose more abrasive overhang
- Never trim beyond the maximum trim line (more than 1/4") or the ridged edge of the backing TrimBack plastic backing
- Always mount a TrimBack flap disc on a properly guarded right angle grinder
- To properly trim a TrimBack flap disc, apply the plastic backing to a secured metal workpiece while the grinder is running

Looking for more information about United Abrasives/SAIT Flap Disc? Click here to view the Catalog.
For help choosing the correct United Abrasives/SAIT Flap Discs for your application, please call (800) 608-5210 or email info@intlairtool.com.
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