Klingspor 321691 SMT 626 Disco de lixa de lamelas, 180 x 22,23 mm, grão 40, convexo, zircónio, pack de 10

Grinding and finishing steel and stainless steel surfaces can be a time-consuming challenge, especially when you need consistent results without constantly switching abrasives. The Klingspor 321691 SMT 626 flap disc solves this by combining aggressive stock removal with a smooth finish in a single tool. Its convex shape and high-performance zirconia alumina abrasive make it ideal for weld preparation, deburring, and surface blending on angle grinders.

Who is it for

This flap disc is built for professional metalworkers, fabricators, welders, and serious DIY enthusiasts who demand high stock removal rates and long service life. It is especially suited for work on steel and stainless steel (INOX), where consistent performance and reduced downtime are critical.

Main features

• Convex (gewölbt) shape for better access to contours and edges
• Zirconia alumina abrasive for fast cutting and extended life
• Fiberglass backing plate for safety and durability at high speeds
• Grit 40 for aggressive material removal and weld blending
• 22.23 mm bore fits standard angle grinders
• Pack of 10 discs for cost-effective bulk use

Specifications

• Brand: Klingspor
• Model: 321691
• MPN: 321691
• EAN: 4014855203970
• Product type: Flap disc
• Series: SMT 626
• Disc diameter: 180 mm
• Bore diameter: 22.23 mm
• Disc shape: Convex
• Grit size: 40
• Abrasive material: Zirconia alumina (zirconium corundum)
• Backing plate material: Fiberglass
• Max. operating speed: 80 m/s
• Max. RPM: 8500 RPM
• Application suitability: Steel, stainless steel (INOX)
• Bonding agent: Synthetic resin
• Pack quantity: 10 pieces
• Tool compatibility: Angle grinder
• Safety standard: EN 13743

Tips

For best results, use a backing pad and ensure the disc is rated for your grinder's speed. Apply moderate pressure and let the abrasive do the work to maximize disc life. Always wear appropriate personal protective equipment, including eye protection and a dust mask, when grinding metal.