Standard Abrasives™ Zirconia HP Type 27 HD Flap Disc, 645957, 4-1/2 in x 5/8-11 36, 10 ea/Case Brushes (6 mm) permanently affixed shank

(6 mm) permanently affixed shank enables easy use on a small straight grinder or flat finisher (for larger wheels)

3M SKU: 7100249831

Sheets come in a range of standard grades to suit a variety of tasks

3M SKU: 7010328993

When finished

Standard Abrasives™ Zirconia HP Type 27 HD Flap Disc, 645957, 4-1/2 in x 5/8-11 36, 10 ea/Case Brushes (6 mm) permanently affixed shank3M SKU: 7010369289 Lead Time: ~2 days Constructed with 25% more material than our standard flap discs, our Standard Abrasives Zirconia HP HD Flap Disc offers extra long life for rapid, high pressure grinding operations. It features extra sharp alumina zirconia mineral on hard wearing polyester flaps. The flaps wear away with use to reveal fresh, sharp mineral for beveling, deburring, and edge chamfering. Flap construction achieves single step grinding