4-1/2 x 5/8-11 T29 Z3 ULT 40 Grit

Features

• Z3 ultimate flap discs have fewer flaps than Z3 XL flap discs which allows the material to further spread out reducing heat generation for easier break down compared to XL discs
• Premium zirconia alumina grain with a poly cotton heat treated backing
• The poly cotton combination provides low stretch and strength for the high zirconia concentration that Z3 contains
• Recommended for aggressive use and heavy duty applications
• 36 and 40 grit Z3 ultimate flap discs offer 30% more material than regular Z3 flap discs
• For working on contoured and edge work
• Flaps are angled at 8 deg for greater surface contact and aggressive use
• Best used at 15 to 25 deg angle