Premium Surface Conditioning Material manufactured in Italy. Use on all angle grinders. Fiberglass Backing. Excellent for cleaning and finishing on all materials. Shrink wrapped in 10s. Also available in white box of 10. 

Also available with plastic backings. Please contact customer service.

Ideal for deburring, surface cleaning, rust and paint removal, surface preparation for painting, weld cleaning, gasket cleaning, blending tool marks, and stainless steel finishing. Surface Conditioning Material do not undercut the material as grains under pressure retract into the web, leaving an excellent finish. Available in three grades, Fine, Medium and Coars

Premium, strong and flexible material with grain is bonded to a
reinforced, three-dimensional nylon web.

The three-dimensional structure and softness of nylon web allows for efficient cleaning and finishing of contoured surfaces. The nylon web also resists loading and continuously exposes new abrasive grain, which results in a consistent and uniform finish.

Suitable for the following materials:

  • All 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 1/2" / 5"TYPE:Flat (Type 27) / Conical (Type 29)
GRITS:Fine / Medium / CoarseCOLOUR:Light Blue / Maroon / Brown
MAX RPM. (OD in inches - RPM)4 1/2" - 13,300 / 5" - 12,200

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 #SizeGritTypePkg. Qty.Availability
F5045C074 1/2" x 7/8"COARSET27F5STOCK
F5045M074 1/2" x 7/8"MEDIUMT27F5STOCK
F5045F074 1/2" x 7/8"FINET27F5STOCK
F5045C094 1/2" x 7/8"COARSET29F5STOCK
F5045M094 1/2" x 7/8"MEDIUMT29F5STOCK
F5045F094 1/2" x 7/8"FINET29F5STOCK
F5050C075" x 7/8"COARSET27F5STOCK
F5050M075" x 7/8"MEDIUMT27F5STOCK
F5050F075" x 7/8"FINET27F5STOCK
F5050C095" x 7/8"COARSET29F5STOCK
F5050M095" x 7/8"MEDIUMT29F5STOCK
F5050F095" x 7/8"FINET29F5STOCK

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: F5045M09 with 7/8″ AH will become F5045M09S 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: F5045M09 with 7/8″ AH will become F5045M09H with 5/8″-11 Zinc Hub.