D&D Global 11/A104 Banded V-Belt - A Section, 11 Bands, 106in 5MGT Section What does the 8M in

What does the 8M in 1016-8M-30 mean

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D&D Global 11/A104 Banded V-Belt - A Section, 11 Bands, 106in 5MGT Section What does the 8M inThe D&D Global 11 A104 is a standard V belt featuring Classical A section dimensions, manufactured by D&D Global. This belt features a smooth sided design for general purpose industrial power transmission. Constructed with Neoprene body compound and polyester cord tensile members for reliable power transmission and long service life. Specifications Belt Section A Sub Type Standard Width 1 2" Thickness 5 16" Length 106 in Material Neoprene