NORTON Flap Disc: Type 29, 4-1/2" x 7/8", Zirconia Alumina, P120 Grit, Fiberglass Bk
The NORTON Gemini R766 Type 29 Flap Disc (MPN 66623399175) is a high-performance flap disc for all metals, featuring a 4-1/2" x 7/8" size with zirconia alumina, P120 grit, fiberglass backing, and standard density…
SKU 3G-OTH-540400
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Product Description
The NORTON Gemini R766 Type 29 Flap Disc (MPN 66623399175) is a high-performance flap disc for all metals, featuring a 4-1/2" x 7/8" size with zirconia alumina, P120 grit, fiberglass backing, and standard density. Its 7/8 in connector size ensures compatibility with standard angle grinders. 3G Electric interprets your demand and sources this NORTON product across 14 industrial departments — with specialist depth in combustion, pumps and controls — delivering genuine industrial equipment with accountable support.
Frequently Asked Questions
What is the NORTON Gemini R766 Type 29 Flap Disc used for?
The NORTON Gemini R766 Type 29 Flap Disc is used for grinding, blending, and finishing all metals. Its zirconia alumina grain and P120 grit make it ideal for heavy stock removal on steel, stainless steel, and other alloys. 3G Electric sources this disc across 14 industrial departments, with specialist depth in combustion, pumps and controls.
What are the specifications of the NORTON Flap Disc 66623399175?
The NORTON Flap Disc 66623399175 is a Type 29, 4-1/2" x 7/8" disc with zirconia alumina, P120 grit, fiberglass backing, and standard density. It has a 7/8 in connector size for standard angle grinders and is part of the Gemini R766 series. 3G Electric supplies this genuine NORTON product with accountable support.
Where to buy NORTON Flap Disc 66623399175 worldwide?
You can buy the NORTON Flap Disc 66623399175 worldwide through 3G Electric. We interpret your demand, source this genuine NORTON product, and handle full logistics, customs, and delivery to your location. Contact us for availability and lead time on this Gemini R766 Type 29 flap disc.
How to select the right NORTON flap disc for metal grinding?
To select the right NORTON flap disc, match the disc size (e.g., 4-1/2" x 7/8") to your angle grinder, choose grit (P120 for medium stock removal), and consider material—zirconia alumina works on all metals. The Type 29 shape offers aggressive grinding. 3G Electric can help you source the correct NORTON Gemini R766 disc.
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.


