Flap Disc, Type 29 Blue Zirconia with 5/8-Inch-11 Threaded Arbor, 36-Grit, 4-1/2-Inch by Forney 71930

Forney 71930 Flap Disc, Type 29 Blue Zirconia with 5/8-Inch-11 Threaded Arbor, 36-Grit, 4-1/2-Inch

Flap Disc, Type 29 Blue Zirconia with 5/8-Inch-11 Threaded Arbor, 36-Grit, 4-1/2-Inch by Forney 71930

The Forney 71930 4-1/2-inch type 29 Mounted Blue Zirconia flap disc cut fast and outlast sanding discs 10 to 1. Great flexibility. Ideal for rough or fine finishing. High Density discs are ideal for the extra tough jobs. 4-1/2-inch (11.43 cm) by 5/8-inch 11 threaded arbor. ZA36 with max 13, 300 RPM. Typical spec example a24r-bf: a=used for steel, 24=grit (coarse), medium to hard BOND. The first series of letters indicates grain type; aluminum oxide (used in metal applications) Silicon carbide (Used for masonry applications) ZA= alumina zirconium used for (stainless steel and ferrous metal applications) ta=ceramic treated aluminum Oxide (used for metal applications) The second series of letters indicates grain size or grit; 8-24=coarse, 30-60=medium, 70-180=fine and 220-up=hard. The third Series of letters indicates BOND hardness; a-n=soft, o-s=medium and t-z=hard. The fourth Series of letters indicates type of BOND; bf=retinoid fiberglass reinforced (double bonded), e=shellac, rubber and v=vitrified. Wheel types; type 1=flat wheel for cutting, type Depressed center wheel, Type 28=hat shaped for grinding and type 29=flap disc for grinding and finishing. Note: harder wheel have a longer life where a softer wheel will cut faster. Fine grain=long life=slower cutting and grinding. Coarse grain=short life=fast cutting or grinding. Proof of purchase required. neglect, negligence or accident, or that has been used in any way contrary to the purpose intended.

Key Features

• ✅ Blue zirconia flap discs for right angle grinders
• ✅ Cuts fast and outlast sanding discs 10 to 1 for long life
• ✅ Multiple layers of zirconia cloth flaps constantly exposing new extra sharp grinding points
• ✅ Great flexibility for difficult work
• ✅ Ideal for rough or fine finishing

✅ Product Dimensions: 4.5"L x 4.5"W

✅ Color: Blue

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