The Forney 71991 4-inch type 29 high Density Blue Zirconia flap disc cuts 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-Inch (10.16 cm) by 5/8-inch (15.88 mm) Arbor. ZA36 with max 15, 200 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.
EAN: 5899406042722
Categories Industrial & Scientific, Abrasive & Finishing Products, Abrasive Wheels & Discs, Flap Discs,
| Accessory Connection Type | 5/8-Inch Arbor |
| Batteries Required? | No |
| Brand | Forney |
| Brand | Forney |
| Color | Blue |
| Compatible Devices | Angle Grinder |
| Compatible Devices | Angle Grinder |
| Customer Reviews | 5.0 5.0 out of 5 stars 6 ratings 5.0 out of 5 stars |
| Finish | Blue Zirconia |
| Grit Material | Zirconia, Aluminum Oxide, Silicon Carbide, Ceramic |
| Grit Material | Zirconia, Aluminum Oxide, Silicon Carbide, Ceramic |
| Grit Type | Medium |
| Grit Type | Medium |
| Included Components | Sanders & Grinders, Power Angle Grinders, Pneumatics |
| Is Discontinued By Manufacturer | No |
| Item Dimensions LxWxH | 4 x 1 x 4 inches |
| Item Dimensions LxWxH | 4 x 1 x 4 inches |
| Item model number | 71991 |
| Item Package Quantity | 1 |
| Item Weight | 1.6 ounces |
| Manufacturer | Forney |
| Material | Blue Zirconia |
| Maximum Rotational Speed | 15200 RPM |
| Measurement System | Metric |
| Part Number | 71991 |
| Product Dimensions | 4 x 1 x 4 inches |
| Product Dimensions | 4"L x 4"W |
| Shape | Circular |
| Size | Pack of 1 |
| Speed | 13500 RPM |
| Style | Type 29 |
| Warranty Description | 90 day warranty against manufacturer defects |
