Specifications:

• Brand: 3M
• Product Line: Cubitron 3
• Manufacturer Part Number: 7100380209 / 1169F
• Product Type: Flap Disc
• Disc Diameter: 4-1/2 in
• Arbor Hole Size: 7/8 in
• Grit: 60+
• Grade: Medium
• Disc Shape: T29-Conical
• Abrasive Grain: 3M Precision-Shaped Ceramic Grain
• Backing Material: Polyester-Cotton Blend
• Attachment Type: Center Hole
• Maximum RPM: 13,300
• Packaging: Case of 10

Ideal Industries:

• Metal fabrication
• Structural steel
• Construction
• Shipbuilding
• Automotive manufacturing
• Oil and gas
• Rail and transportation
• Industrial maintenance

Ideal Applications:

• Weld grinding and blending
• Edge chamfering and beveling
• Heavy stock removal
• Surface leveling and smoothing
• Rust and scale removal
• Deburring and edge refinement
• Stainless steel finishing
• Carbon steel grinding

The 3M Cubitron 3 7100380209/1169F Flap Disc, 60+, T29-Conical, 4-1/2 in x 7/8 in is engineered for professionals who require fast material removal, consistent cut rates, and extended disc life in demanding grinding environments. Built with 3M Precision-Shaped Ceramic Grain, this 60+ grit flap disc continuously fractures into sharp cutting edges, delivering a cooler, faster cut compared to conventional ceramic or zirconia abrasives. The T29 conical design increases surface contact when grinding at an angle, making it especially effective for weld blending, heavy stock removal, and aggressive edge work on carbon steel and stainless steel. Buyers often ask whether a 60+ grit flap disc is suitable for both grinding and finishing; this medium-grade abrasive strikes the ideal balance—aggressive enough for weld removal while leaving a refined surface ready for further finishing steps. Another common question is whether this disc can withstand high production use. With a durable polyester-cotton backing and a maximum RPM of 13,300, it is designed for right-angle grinders in industrial settings where uptime and productivity matter. Safety-conscious contractors and plant managers also want to know if the disc minimizes heat buildup; the precision-shaped grain helps reduce friction and heat, lowering the risk of discoloration on stainless steel and improving operator comfort. For fabrication shops, construction crews, and heavy industry operations seeking reliable 4-1/2 inch flap discs with 7/8 inch arbor compatibility, this 3M Cubitron 3 solution provides measurable performance gains and long-term value. Enviro Safety Products, as an experienced and trusted supplier of certified PPE and industrial safety solutions, supports professionals nationwide with high-performance abrasives that meet the rigorous demands of modern metalworking and safety compliance standards.

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