Premium Aluminum Oxide Abrasive Material. General purpose disc for use on carbon steels. Use on all angle grinders. Fibreglass Backing. For demanding applications where high pressure and high stock removal is required

Recommended for frequent use on steel. Excellent price.

AloCUT Flap Discs are manufactured using the highest quality Aluminum Oxide abrasive material.

Long lifetime, great surface finish, and excelent economy.

Suitable for the following materials:

  • Carbon Steel
  • Sheet Metal
  • Cast Iron

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:Brown
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 #SizeGritTypePkg. Qty.Availability
A50400374" x 5/8"36G A/OT27F102-7 DAYS
A50400474" x 5/8"40G A/OT27F102-7 DAYS
A50400674" x 5/8"60G A/OT27F102-7 DAYS
A50400874" x 5/8"80G A/OT27F102-7 DAYS
A50401274" x 5/8"120G A/OT27F102-7 DAYS
A50400394" x 5/8"36G A/OT29F102-7 DAYS
A50400494" x 5/8"40G A/OT29F102-7 DAYS
A50400694" x 5/8"60G A/OT29F102-7 DAYS
A50400894" x 5/8"80G A/OT29F102-7 DAYS
A50401294" x 5/8"120G A/OT29F102-7 DAYS
A50450374 1/2" x 7/8"36G A/OT27F102-7 DAYS
A50450474 1/2" x 7/8"40G A/OT27F102-7 DAYS
A50450674 1/2" x 7/8"60G A/OT27F102-7 DAYS
A50450874 1/2" x 7/8"80G A/OT27F102-7 DAYS
A50451274 1/2" x 7/8"120G A/OT27F102-7 DAYS
A50450394 1/2" x 7/8"36G A/OT29F102-7 DAYS
A50450494 1/2" x 7/8"40G A/OT29F102-7 DAYS
A50450694 1/2" x 7/8"60G A/OT29F102-7 DAYS
A50450894 1/2" x 7/8"80G A/OT29F102-7 DAYS
A50451294 1/2" x 7/8"120G A/OT29F102-7 DAYS
A50500375" x 7/8"36G A/OT27F102-7 DAYS
A50500475" x 7/8"40G A/OT27F102-7 DAYS
A50500675" x 7/8"60G A/OT27F102-7 DAYS
A50500875" x 7/8"80G A/OT27F102-7 DAYS
A50501275" x 7/8"120G A/OT27F102-7 DAYS
A50500395" x 7/8"36G A/OT29F102-7 DAYS
A50500495" x 7/8"40G A/OT29F102-7 DAYS
A50500695" x 7/8"60G A/OT29F102-7 DAYS
A50500895" x 7/8"80G A/OT29F102-7 DAYS
A50501295" x 7/8"120G A/OT29F102-7 DAYS
A50600376" x 7/8"36G A/OT27F102-7 DAYS
A50600476" x 7/8"40G A/OT27F102-7 DAYS
A50600676" x 7/8"60G A/OT27F102-7 DAYS
A50600876" x 7/8"80G A/OT27F102-7 DAYS
A50601276" x 7/8"120G A/OT27F102-7 DAYS
A50600396" x 7/8"36G A/OT29F102-7 DAYS
A50600496" x 7/8"40G A/OT29F102-7 DAYS
A50600696" x 7/8"60G A/OT29F102-7 DAYS
A50600896" x 7/8"80G A/OT29F102-7 DAYS
A50601296" x 7/8"120G A/OT29F102-7 DAYS
A50700377" x 7/8"36G A/OT27F102-7 DAYS
A50700477" x 7/8"40G A/OT27F102-7 DAYS
A50700677" x 7/8"60G A/OT27F102-7 DAYS
A50700877" x 7/8"80G A/OT27F102-7 DAYS
A50701277" x 7/8"120G A/OT27F102-7 DAYS
A50700397" x 7/8"36G A/OT29F102-7 DAYS
A50700497" x 7/8"40G A/OT29F102-7 DAYS
A50700697" x 7/8"60G A/OT29F102-7 DAYS
A50700897" x 7/8"80G A/OT29F102-7 DAYS
A50701297" x 7/8"120G A/OT29F102-7 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: A5045049 with 7/8″ AH will become A5045049S 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: A5045049 with 7/8″ AH will become A5045049H with 5/8″-11 Zinc Hub.