An Abrasive Disc That’s Truly a Cut Above
With its combination of premium materials, our 3M™ Purple Abrasive Disc 740I part of our Purple family of discs: a high-performing auto body abrasive disc ideal for jobs where reinforcements are needed. Its premium aluminum oxide abrasive and durable E-weight paper provide a consistently professional finish with lower labor and material costs. These aggressive discs are ideal for shaping plastic filler, removing paint around damaged areas, scratch refinement and stripping paint to bare metal. They are suitable for use on a variety of collision repair substrates including clear coat, fiberglass, metal, paint, plastic and putty.
These coarse grade discs sand faster to improve technician productivity and reduce labor costs while the consistent finish reduces rework.
Hard, Tough and Sharp
3M’s fast cutting, long lasting abrasive saves labor costs and improves quality. Aluminum oxide is popular among collision repair professionals because of its fast cut-rate and long life. A natural mineral, it makes a tough, durable abrasive especially in combination with a thicker and heavier E-weight paper backing. Aluminum oxide is suitable for a wide variety of metalworking materials including ferrous alloys.
Heavier Backing for the Toughest Jobs
Our 3M Purple Abrasive Disc 740I is available in coarse grades typically used in the body repair area of the body shop. These jobs often require especially tough and durable abrasive product to get the job done. These discs use a heavier E-weight paper as the abrasive backing, adding durability and life to the product. These discs are available in Hookit™ and Stikit™ attachments.
The Power of Purple
The 3M™ Purple Abrasive Disc 740I carries our Purple designation which signifies premium performance and durability. From its hard mineral abrasive to its E-weight paper backing, this disc combines the strength, durability and long-lasting efficiency for improved throughput across your entire collision repair operation.

3M 52755, Cool Flow Exhalation Valve 7583, System Component, 7000002159, 10 ea/Bag
3M 33440, Cubitron II File Belt, 33440, 80+, 10 mm x 330 mm (3/8 in x 13 in), 7100033195, 10 belts per carton, 5 cartons per case
Dynabrade 11486 Dynabelter Accu-Grinder Abrasive Belt Tool, Heavy-Duty
3M 55658, Stikit Film Disc w/Tab 375L, P320, 5 in x NH, Die 500X, 7100106616, 250 per case
Dynabrade 95746 3/8" NPT Speed Regulator
Dynabrade 11475 Dynabelter Abrasive Belt Tool, Standard Duty
3M 26054, PPS Series 2.0 Adapter, Type S18, 3/8 Female, 18 Thread NPS,
4 per case
3M 81356, Venture Tape White Aluminum Foil Tape 1558HT, 72 mm a 45.7 m, 5.4 mil, 7010335933
3M 26120, PPS Series 2.0 Adapter, Type S28, 17.5 mm Female, 19 TPI
Thread, 7100135956 
