Specifications:

• Brand: 3M
• Product Line: Cubitron 3
• Manufacturer Part Number: 7100380349 / 1169F
• Product Type: Flap Disc
• Abrasive Grain: Precision-Shaped Ceramic
• Grit: 60+
• Disc Diameter: 4-1/2 in
• Arbor Size: 5/8 in-11
• Attachment Type: Quick Change Threaded Hub
• Disc Shape: T29 Conical
• Backing Material: Polyester/Cotton Blend
• Maximum RPM: 13,300
• Color: Purple
• Packaging: Case of 10

Ideal Industries:

• Metal fabrication
• Structural steel
• Shipbuilding and marine repair
• Oil and gas
• Automotive manufacturing
• Heavy equipment manufacturing
• Construction and infrastructure

Ideal Applications:

• Heavy weld removal
• Edge beveling and chamfering
• Surface blending and leveling
• Mill scale removal
• Rust and corrosion removal
• Deburring sharp metal edges
• Surface preparation prior to coating or painting

The 3M Cubitron 3 7100380349 / 1169F Flap Disc, 60+, T29 Conical Quick Change, 4-1/2 in x 5/8 in-11 is engineered for aggressive stock removal and consistent finish quality in demanding metalworking environments. Built with 3M’s latest precision-shaped ceramic grain technology, this high-performance abrasive flap disc cuts cooler, faster, and with less pressure than conventional ceramic or zirconia grinding discs. The 60+ grit is ideal for weld grinding, beveling, and surface blending where you need rapid material removal without sacrificing control. The T29 conical profile increases surface contact for improved cut rate on flat surfaces and edges, making it a preferred choice for fabricators who demand productivity and uniform results. Contractors often ask whether this disc is suitable for carbon steel, stainless steel, or high-strength alloys; the answer is yes—its engineered grain structure maintains sharp cutting edges, reducing heat buildup and minimizing discoloration on stainless applications. The 5/8 in-11 threaded hub allows quick tool-free changes on compatible angle grinders, improving uptime on high-volume jobs. Buyers also want to know about durability—Cubitron 3 flap discs are designed for extended service life, meaning fewer disc changes and lower total abrasive cost per weld. For safety-conscious operations, pairing this disc with certified eye protection, cut-resistant gloves, and other essential PPE is critical to maintaining compliance and operator safety. As an experienced and trusted supplier of certified PPE, Enviro Safety Products supports professional metalworkers with reliable abrasive solutions and safety gear that meet rigorous jobsite standards. Whether you are optimizing a fabrication line, maintaining heavy equipment, or preparing structural components for coating, this professional-grade 3M flap disc delivers measurable performance gains that align with productivity, safety, and long-term value.

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