NORTON Flap Disc: Type 29, 4-1/2" x 5/8"-11, Zirconia Alumina, P120 Grit, Fiberglass Bk
The NORTON Gemini R766 Flap Disc (Type 29) is a high-performance flap disc for all metals, featuring a 4-1/2" diameter with a 5/8"-11 connector, zirconia alumina abrasive, P120 grit, fiberglass backing, and standard…
SKU 3G-OTH-540399
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Product Description
The NORTON Gemini R766 Flap Disc (Type 29) is a high-performance flap disc for all metals, featuring a 4-1/2" diameter with a 5/8"-11 connector, zirconia alumina abrasive, P120 grit, fiberglass backing, and standard density. This OEM NORTON product (MPN 66623399174) is designed for aggressive material removal and finishing on metal surfaces.
Frequently Asked Questions
What is the NORTON Gemini R766 flap disc used for?
The NORTON Gemini R766 Type 29 flap disc is used for aggressive material removal and finishing on all metals. Its zirconia alumina abrasive and P120 grit make it ideal for blending, deburring, and surface preparation in metal fabrication, welding, and maintenance applications.
What are the specifications of the NORTON 66623399174 flap disc?
This NORTON flap disc has a 4-1/2" diameter with a 5/8"-11 connector, zirconia alumina abrasive, P120 grit, fiberglass backing, and standard density. It is part of the Gemini R766 series and is designed for high-performance grinding and finishing on metal surfaces.
Where to buy NORTON flap discs worldwide?
3G Electric supplies NORTON flap discs worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine NORTON abrasives like the Gemini R766 and deliver them to your facility, ensuring compliance with international shipping requirements.
How to select the right NORTON flap disc grit for metal?
For aggressive stock removal on metal, choose a coarse grit like P36 or P60. For blending and finishing, a medium grit like P120 (as on this NORTON Gemini R766 disc) works well. Fine grits (P180+) are for polishing. Always match the disc to the metal type and desired surface finish.
NORTON Products
3G Electric supplies NORTON high-performance flap discs for all metals. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.


