Bobcat Flat Style Flap Discs 3 in 40 Grit 20 000 rpm Weiler Bobcat Flat Style Flap Discs WARNING: This product can expose you to Silica a chemical known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov Arbor Thread - TPI or Pitch: 1/2 in thread 7.375 threads per inch Wt.: 0.75 lb Grit: 40 Used With: Right Angle Air Die Grinder Mounting: Turn On Applications: Grinding; Finishing; Weld blending; Deburring Speed [Max]: 20 000 rpm Abrasive Material: Zirconium Applicable Materials: Steel; Most Metals; Stainless Steel Length [Nom]: 3 1/8 in Quantity: 1 per pack Height [Nom]: 5 in Arbor Diam [Nom]: 1/2 in Tool Shape: Type 27 Body Material: Plastic Width [Nom]: 3 1/8 in Dia. [Nom]: 3 in