Premium quality Zirconia Flap Disc. Made with genuine VSM ZK765X  Zirconia Abrasive Material for best performance on all materials  and angle grinders. Fibreglass Backing. Also known as JUMBO Flap Discs. Long life and excellent for blending and finishing. Shrink wrapped in 10s and packaged in white box.

Recommended for frequent use by professionals who are looking for long life and excellent finish.

ZirCUT 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
  • Stainless steel
  • Heat treated steels
  • High speed and tool steels
  • Alloyed Steels
  • Sheet metal
  • Cast iron
  • Non-Ferrous metals

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
Z52400374" x 5/8"36G Z/AT27F102-7 DAYS
Z52400474" x 5/8"40G Z/AT27F102-7 DAYS
Z52400674" x 5/8"60G Z/AT27F102-7 DAYS
Z52400874" x 5/8"80G Z/AT27F102-7 DAYS
Z52401274" x 5/8"120G Z/AT27F102-7 DAYS
Z52400394" x 5/8"36G Z/AT29F102-7 DAYS
Z52400494" x 5/8"40G Z/AT29F102-7 DAYS
Z52400694" x 5/8"60G Z/AT29F102-7 DAYS
Z52400894" x 5/8"80G Z/AT29F102-7 DAYS
Z52401294" x 5/8"120G Z/AT29F102-7 DAYS
Z52450374 1/2" x 7/8"36G Z/AT27F10STOCK
Z52450474 1/2" x 7/8"40G Z/AT27F10STOCK
Z52450674 1/2" x 7/8"60G Z/AT27F10STOCK
Z52450874 1/2" x 7/8"80G Z/AT27F10STOCK
Z52451274 1/2" x 7/8"120G Z/AT27F10STOCK
Z52450394 1/2" x 7/8"36G Z/AT29F10STOCK
Z52450494 1/2" x 7/8"40G Z/AT29F10STOCK
Z52450694 1/2" x 7/8"60G Z/AT29F10STOCK
Z52450894 1/2" x 7/8"80G Z/AT29F10STOCK
Z52451294 1/2" x 7/8"120G Z/AT29F10STOCK
Z52500375" x 7/8"36G Z/AT27F10STOCK
Z52500475" x 7/8"40G Z/AT27F10STOCK
Z52500675" x 7/8"60G Z/AT27F10STOCK
Z52500875" x 7/8"80G Z/AT27F10STOCK
Z52501275" x 7/8"120G Z/AT27F10STOCK
Z52500395" x 7/8"36G Z/AT29F10STOCK
Z52500495" x 7/8"40G Z/AT29F10STOCK
Z52500695" x 7/8"60G Z/AT29F10STOCK
Z52500895" x 7/8"80G Z/AT29F10STOCK
Z52501295" x 7/8"120G Z/AT29F10STOCK
Z52600376" x 7/8"36G Z/AT27F102-7 DAYS
Z52600476" x 7/8"40G Z/AT27F102-7 DAYS
Z52600676" x 7/8"60G Z/AT27F102-7 DAYS
Z52600876" x 7/8"80G Z/AT27F102-7 DAYS
Z52601276" x 7/8"120G Z/AT27F102-7 DAYS
Z52600396" x 7/8"36G Z/AT29F102-7 DAYS
Z52600496" x 7/8"40G Z/AT29F102-7 DAYS
Z5600696" x 7/8"60G Z/AT29F102-7 DAYS
Z52600896" x 7/8"80G Z/AT29F102-7 DAYS
Z52601296" x 7/8"120G Z/AT29F102-7 DAYS
Z52700377" x 7/8"36G Z/AT27F102-7 DAYS
Z52700477" x 7/8"40G Z/AT27F102-7 DAYS
Z52700677" x 7/8"60G Z/AT27F102-7 DAYS
Z52700877" x 7/8"80G Z/AT27F102-7 DAYS
Z52701277" x 7/8"120G Z/AT27F102-7 DAYS
Z52700297" x 7/8"24G Z/AT29F102-7 DAYS
Z52700397" x 7/8"36G Z/AT29F102-7 DAYS
Z52700497" x 7/8"40G Z/AT29F102-7 DAYS
Z52700697" x 7/8"60G Z/AT29F102-7 DAYS
Z52700897" x 7/8"80G Z/AT29F102-7 DAYS
Z52701297" x 7/8"120G Z/AT29F102-7 DAYS

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: Z5245049 with 7/8″ AH will become Z5245049S 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: Z5245049 with 7/8″ AH will become Z5245049H with 5/8″-11 Zinc Hub.