Check the listing for details. 50 Pack 4.5" 4-1/2" Flap Grinding Wheels 40 Grit T27 Aluminum Oxide Sanding Disc. Condition: New. Listed at 56.99 USD. Store Categories Store Categories Cut-Off Wheels&Grinding Wheels Sanding Belts Flap Discs Quick Change Discs Surface Conditioning Discs Hook & Loop Sanding Discs Paper Discs Latex Saturated Paper Discs Film Discs PSA Sanding Discs & Rolls Detail Sander Sandpaper Sandpaper Sheets Sanding Sponges Resin Fiber Discs Flap Wheels Sanding Sleeves & Drums Set Sharpening Stones Benchstones Waterstones & Whetstones Knife Sharpener Drill Bits Other 50 Pack 4-1/2" X 7/8" T27 Aluminum Oxide Flap Discs Sanding Grinding Wheels for Right Angle Grinder 40 Grit Product Description Features & Benefits of SATC 4.5 in T27 Aluminum Oxide Flap Discs A 30% Longer Lifespan than Conventional Flap Dics Load Resistant, Consistent Finish Vibration Absorbable, Operating Comfort Safety Guaranteed, Contaminant-free, No Discs flying Off Better for Weld Removal, Deburring, Smoothing, Blending Superior for FLAT SANDING on general metals, carbon steel, alloy steel, stainless steel, cast iron, non-ferrous metals Machines: 4.5 inch angle grinders Reinforced Flap Discs: 72pcs small 24x18mm cloth backing aluminum oxide sanding discs are bonded tightly on the plate. The plate is constructed from 8 layers of fiberglass mesh and one layer of non-woven cloth. Metal rings are embedded on 2 sides. This stable structure confirms a 30% longer life span than conventional flap discs Aluminum Oxide Abrasive, Closed Coat: Aluminum oxide mineral features sharp. Closed coat resists loading. The 72pcs closed coated aluminum oxide large, thick discs overlaps which confirms to curved irregulars surfaces, resulting in a consistent finish Strong X-wt Polyester Cotton Backing: Offering flexibility and stability for the thicker cloth configuration. Fiberglass Backing Plate: Thanks to the high quality special structure of 8-layer fiberglass mesh screen. This reinforced fiberglass backing plate features extra strength, light weight, ability to absorb vibration, and operating comfort Resin Over Resin Bonding: High strength resin over resin bond system provides superior grain support, resist heat and humidity for longer life than usual resin over glue bond. More adhesive added to bond the small discs to the plate tightly to resist discs flying off when operating which helps achieving longer lifespan and ensuring security Type 27 Shape: These T27 flap discs work best from a a 0~15 angle and are the best suitable for smooth finishing. The flat-angled discs are primarily used on flatter surfaces. Applications Weld Removal, Deburring, Smoothing, Blending Works Well On Carbon Steel, All Metals, Stainless Steel Machines 4.5" Right Angle Grinders Specifications Color: Maroon Dimension: 4.5 in Arbor Hole: 7/8 in Abrasive Material: Aluminum Oxide Coat Type: Closed Coat Backing Material: X-Weight Polyester Cotten Plate Material: Fiberglass Bond: Resin over Resin Max Operating Speed RPM: 13,300 Application: Weld Removal, Deburring, Smoothing, Blending Machines: Right Angle Grinder Grit: 40 Grade: Extra Coarse Package Included: 50pcs x 4.5 in T27 Aluminum Oxide Flap Discs 40 Grit Shipped same-day from Walnut or Hebron via UPS Ground. About SATC Payment Shipment Returns Policy Customer Service About SATC SATC is a professional manufacturer of abrasive tools since 1990. We exceedingly focus on product quality and customer experience, committed to providing customers with the most cost-effective products and first-class services. Payment PayPal Preferred: Credit or debit card through PayPal Shipment Every item is eligible for Free Shipping Shipment within 1 business day Most items ship via USPS First Class, USPS Mail and UPS Surepost International/Alaska/Hawaii/US Protectorates/APO/FPO/PO Box Shipping is not supported for now Returns Policy 30-day no-hassle return policy on most items Select the item you want to return and choose the appropriate reason code Please keep the label on the package or it may be difficult for the warehouse to identify the item Customer Service Quick response within 24 hours If you have any questions about product details and usage, please feel free to contact us Copyright © SATC-ABRASIVES TOOLS