Techniweld Sand Star 4-1/2" Type 29 High-Performance Flap Discs 

Techniweld Sand Star 4-1/2" Type 29 Flap Discs are engineered for aggressive grinding, shaping, and blending on metal surfaces. With a high-performance zirconia or aluminum oxide abrasive, these flap discs deliver fast stock removal and a smooth finish across a wide range of metalworking applications.

• Size: 4-1/2"
• Type: 29 – Angled profile for better surface contact and control
• Bore: 7/8" (unhubbed) or 5/8-11" (hubbed) (variant-specific)
• Abrasive: Zirconia or Aluminum Oxide (based on grit)
• Grit Options: 36, 40, 60, 80, 120
• Applications: Weld grinding, edge chamfering, deburring, surface prep
• Packaging: Sold in boxes of 10 discs

Perfect for welders, fabricators, and industrial shops who demand long-lasting performance and a clean finish on steel, stainless, and alloy metals.