3M 7100177446/769F Flap Disc, 40+, T27, 4-1/2 in x 7/8 in

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3M 7100177446/769F Flap Disc, 40+, T27, 4-1/2 in x 7/8 in

3MSKU: AGS3MA638060-05903-EA-DS

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3M 7100177446/769F Flap Disc, 40+, T27, 4-1/2 in x 7/8 in

The 3M 7100177446/769F Flap Disc, 40+, T27, 4-1/2 in x 7/8 in is a high-performance ceramic abrasive flap disc designed for aggressive grinding, weld removal, and fast material cut on metal surfaces. Featuring durable ceramic grain, a Type 27 depressed center profile, and a 40+ grit for rapid stock removal with controlled wear, this flap disc delivers consistent results across carbon steel and stainless steel applications while reducing disc changeouts. It helps operators work more safely and productively by maintaining a sharp cutting edge, minimizing vibration, and providing smooth, predictable control during demanding grinding and blending tasks. When used as intended, this flap disc meets applicable ANSI B7.1 safety requirements and supports OSHA-compliant abrasive grinding operations. Available in 1 Each or in a Case of 10.

Manufacturer	3M
Brand	3M Abrasives
Main Category	Abrasives
Color	Black,Brown
Packaging	1EA, 10EA/CS
Weight	0.21 lb

Specifications:

Manufacturer: 3M
MPN: 7100177446 3M
Part Number: 769F
Product Type: Flap Disc
Abrasive Mineral: Aluminum Oxide
Grit: 40+
Disc Type: Type 27 (Depressed Center)
Disc Diameter: 4-1/2 in
Arbor Size: 7/8 in
Backing Material: Poly-cotton cloth
Maximum Speed: 13,300 RPM
Mounting Style: Right-angle grinder
Packaging: 1 Each, Case of 10

Ideal Industries:

Metal fabrication
Manufacturing
Construction
Maintenance and repair operations (MRO)
Industrial fabrication shops

Ideal Applications:

Heavy material removal
Weld grinding and blending
Edge chamfering
Surface preparation prior to coating or welding
Deburring rough metal surfaces

The 3M 7100177446 / 769F Flap Disc, 40+, Type 27, 4-1/2 in x 7/8 in is engineered for aggressive stock removal and consistent grinding performance on carbon steel and general metal substrates. Designed with durable aluminum oxide abrasive grain bonded to a flexible poly-cotton backing, this flap disc delivers a controlled cut rate while conforming to uneven surfaces, making it ideal for weld grinding, edge work, and heavy surface preparation. Buyers often ask whether a 40+ grit flap disc is too coarse for blending; in practice, this grit excels at fast material removal while still leaving a smoother finish than a rigid grinding wheel. The Type 27 depressed center design allows a comfortable grinding angle and improved operator control on right-angle grinders, while the 7/8 in arbor ensures compatibility with standard industrial tools. Common questions around heat buildup and disc life are addressed by the layered flap construction, which helps dissipate heat and exposes fresh abrasive for longer service life compared to traditional grinding discs. Professionals looking for reliable performance, predictable wear, and reduced disc changes will appreciate how this flap disc balances productivity and finish quality in demanding environments. Enviro Safety Products, as an experienced and trusted supplier of certified PPE and industrial abrasives, provides this 3M flap disc to support safety-focused buyers who value proven performance, product authenticity, and expert-backed selection for industrial, construction, and metalworking applications.