Premium quality Zirconia Flap Disc. Made with genuine  Zirconia Abrasive Material for best performance on steel and high power grinders. Fibreglass Backing. Shrink wrapped in 10s.

Recommended in grits 24, 36 and 40 for frequent use by demanding professionals who are looking for long life. Not recommended for finishing.

ZZCUT Flap Discs are manufactured using the highest quality Self-Sharpening Zirconia Alumina abrasive material.

Discs made with continuous self-sharpening High-Tech Zirconia Alumina grain, achieve extremely high cutting rates, long lifetimes, better surface finish, and better economy.


Suitable for the following materials:

  • Carbon Steel
  • Heat treated steels
  • High speed and tool steels
  • Alloyed Steels
  • Sheet metal

Depending on the grinding angle and surface to be ground, Flap Discs are available in two types:

Type 27 – has flat surface and can achieve maximum efficiency when applied at a work angle of 0-15 deg angle. These discs are the most suitable for grinding flat surfaces.


Type 29 – has a slightly conical surface, for grinding at 10-25 deg angle. These discs are the most suitable for grinding contoured surfaces.



SIZES4" / 4 1/2" / 5" / 6" / 7"TYPE:Flat (Type 27) / Conical (Type 29)
GRITS:24 / 36 / 40 / 60 / 80 / 120COLOUR:Blue
MAX RPM. (OD in inches - RPM)4" - 15,300 / 4 1/2" - 13,300 / 5" - 12,200 / 6" - 10,200 / 7"- 8,500

Item Numbers  Packaging and Availability

For items not listed below please contact customer service.

Item #SizeGritTypePkg. Qty.Availability
ZZ0450274 1/2" x 7/8"24G Z/AT27F10STOCK
ZZ0450374 1/2" x 7/8"36G Z/AT27F10STOCK
ZZ0450474 1/2" x 7/8"40G Z/AT27F10STOCK
ZZ0450674 1/2" x 7/8"60G Z/AT27F10STOCK
ZZ0450874 1/2" x 7/8"80G Z/AT27F10STOCK
ZZ0451274 1/2" x 7/8"120G Z/AT27F10STOCK
ZZ0450294 1/2" x 7/8"24G Z/AT29F10STOCK
ZZ0450394 1/2" x 7/8"36G Z/AT29F10STOCK
ZZ0450494 1/2" x 7/8"40G Z/AT29F10STOCK
ZZ0450694 1/2" x 7/8"60G Z/AT29F10STOCK
ZZ0450894 1/2" x 7/8"80G Z/AT29F10STOCK
ZZ0451294 1/2" x 7/8"120G Z/AT29F10STOCK

Add SAFE LOC (Patented), Quick Change

SAFE LOC is a 5/8″-11 threaded attachment for flap discs. Available for 4 1/2″, 5″, 6″ and 7″ discs with any backing type.

For Item with SAFE LOC Quick Change add S to the end of Item with 7/8″ Arbor Hole. e.g. Item: ZZ045049 with 7/8″ AH will become ZZ045049S with 5/8″-11 SAFE LOC.

For Item with 5/8″-11 Zinc Hub add H to the of Item with 7/8″ Arbor Hole. e.g. Item: ZZ045049 with 7/8″ AH will become ZZ045049H with 5/8″-11 Zinc Hub.