BHA High Density Zirconia Flap Discs Jumbo Grinding Wheels XL Type 27, 4.5" x 7/8", 40 Grit - 10 Pack

Heavy duty grinding Heavy duty grinding jobs require heavy duty flap discs, plain and simple. Black Hawk 4-1/2" x 7/8" High Density Zirconia Flap Discs are the newest and THICKEST thing to come into the Black Hawk Flap Disc Family. Black Hawk 4.5 Inch XL Flap Discs are built to last and are perfect for jobs requiring rapid stock removal of hard materials. Each Jumbo Flap Disc is manufactured using top quality Zirconia grain resin over resin bonded to Heavy Duty X-weight polyester flaps coated with Grinding Aid. The resin over resin bonding provides superior abrasive grain retention to other bonding methods and the Grinding Aid reduces loading and lessens friction heat which protects the work piece and further increases the life of the flap disc. Additionally and most obviously, this Flap Disc wouldn’t be an Extra Large Flap Discs unless is was…you guessed it, EXTRA LARGE. Black Hawk High Density Flap Discs boasts an impressive 50% more cloth than a standard flap disc. This increased size, quality of grains, and reduced loading from it's grinding aid creates the longest lasting flap disc possible and will allow you to keep working without continual stops to change over to a new flap disc. This 4.5" flap discs is Type 27 - flat grinding face for when less grinding pressure is required, better for general sanding, blending and deburring. These 4-1/2" grinding discs are meant to be used on an angle grinder. So if you’re ready to do some serious grinding, leave the days of standard flap disc behind and grab a Black Hawk High Density Flap Disc.

• Extra large high density flap disc containing over 50% more grinding material than standard flap discs ( Lasts twice as long as standard flap discs )
• Made with premium Zirconia Grains that are resin over resin bonded onto extra strong polyester / cotton flap material
• Excellent for grinding, sanding, blending, or deburring on stainless steel, carbon steel, cast iron, titanium, hard wood and various other metals
• Type 27 - Flat Grinding Surface
• Comes with 10 High Density Flap Discs