4-1/2 in. x 7/8 in. Z40 POWERBLEND III T29 Zirconia Flap Disc | JET-503213

Designed as a Type 29 depressed-center disc, JET Tool's 41/2in. x 7/8in. Z40 POWERBLENDIII T29 Zirconia Flap Disc is built for safety and durability at high RPMs (up to 13300RPM). Whether used in fabrication shops or maintenance operations, it offers consistent performance on structural steel, weld blending, and surface prep. Its robust construction helps reduce downtime from frequent disc changes, making it a smart choice for metal pros balancing productivity and quality

• The disc measures 4-1/2 inches in diameter with a 7/8-inch arbor for universal grinder fit
• Zirconia Z40 grit provides aggressive material removal on steel and stainless steel
• Convex fiberglass backing allows complete flap use without damaging surfaces
• Rated for speeds up to 13,300'¯RPM as a Type 29 depressed-center disc
• POWERBLEND III construction delivers up to 25 times longer life than resin-fiber alternatives