Description
Built for demanding grinding applications, CERAMIC HD (JUMBO) delivers aggressive cutting performance with extended service life. Made with premium 100% ceramic VSM German abrasive material, it provides consistent material removal and long-lasting performance on tough metalworking applications. Its jumbo construction offers increased abrasive material for greater durability and productivity.
Constructed with a durable fiberglass backing, CERAMIC HD (JUMBO) provides excellent strength and stability during heavy grinding. Available in T27 and T29 configurations, with grit options from 36 to 120 to accommodate aggressive stock removal through finer finishing applications.
Available in 4-1/2″, 5″, and 6″ sizes with 7/8″ arbor hole, 5/8″-11 patented plastic SafeLOC, or 5/8″-11 metal zinc HUB options. Economy packaging is available shrink-wrapped in packs of 5 or 10.

Suitable for the following materials:
- Carbon Steel
- Stainless steel
- Titanium
- High speed and tool steels
- Alloyed Steels
- Sheet metal
- 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.
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Type 29 – has a slightly conical surface, for grinding at 10-25 deg angle. These discs are the most suitable for grinding contoured surfaces.
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Specifications
| SIZES | 4 1/2 X 7/8, 5 X 7/8 | TYPE: | Flat (Type 27) / Conical (Type 29) |
| ABRASIVE MATERIAL: | VSM Premium Ceramic | DENSITY: | Standard |
| GRITS: | 36/40/60/80/120 | COLOUR: | Red |
| BACKING: | Fiberglass | QUICK CHANGE | SAFE LOC / ZINC HUB |
| 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. For some items minimum quantity and longer lead times apply.
| Item # | Size | Grit | Type | Pkg. Qty. | Availability |
| C5845037 | 4 1/2 x 7/8 | 36G | 27F | 5/10 | 1-14 DAYS |
| C5845047 | 4 1/2 x 7/8 | 40G | 27F | 5/10 | 1-14 DAYS |
| C5845067 | 4 1/2 x 7/8 | 60G | 27F | 5/10 | 1-14 DAYS |
| C5845087 | 4 1/2 x 7/8 | 80G | 27F | 5/10 | 1-14 DAYS |
| C5845127 | 4 1/2 x 7/8 | 120G | 27F | 5/10 | 1-14 DAYS |
| C5845039 | 4 1/2 x 7/8 | 36G | 29F | 5/10 | 1-14 DAYS |
| C5845049 | 4 1/2 x 7/8 | 40G | 29F | 5/10 | 1-14 DAYS |
| C5845069 | 4 1/2 x 7/8 | 60G | 29F | 5/10 | 1-14 DAYS |
| C5845089 | 4 1/2 x 7/8 | 80G | 29F | 5/10 | 1-14 DAYS |
| C5845129 | 4 1/2 x 7/8 | 120G | 29F | 5/10 | 1-14 DAYS |
| C5850037 | 5 x 7/8 | 36G | 27F | 5/10 | 1-14 DAYS |
| C5850047 | 5 x 7/8 | 40G | 27F | 5/10 | 1-14 DAYS |
| C5850067 | 5 x 7/8 | 60G | 27F | 5/10 | 1-14 DAYS |
| C5850087 | 5 x 7/8 | 80G | 27F | 5/10 | 1-14 DAYS |
| C5850127 | 5 x 7/8 | 120G | 27F | 5/10 | 1-14 DAYS |
| C5850039 | 5 x 7/8 | 36G | 29F | 5/10 | 1-14 DAYS |
| C5850049 | 5 x 7/8 | 40G | 29F | 5/10 | 1-14 DAYS |
| C5850069 | 5 x 7/8 | 60G | 29F | 5/10 | 1-14 DAYS |
| C5850089 | 5 x 7/8 | 80G | 29F | 5/10 | 1-14 DAYS |
| C5850129 | 5 x 7/8 | 120G | 29F | 5/10 | 1-14 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: C5545049 with 7/8″ AH will become C5545049S 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: C5545049 with 7/8″ AH will become C5545049H with 5/8″-11 Zinc Hub.






