{"id":9783438016752,"title":"40 Grit Zirconia Flap Discs 4.5in – 40 Pack Heavy Duty Grinding Discs for Angle Grinders","handle":"40-grit-zirconia-flap-discs-4-5in-40-pack-for-angle-grinder-grinding","description":"\u003cp\u003eGet aggressive material removal and long-lasting performance with these \u003cstrong\u003e4.5\" zirconia flap discs\u003c\/strong\u003e, engineered for demanding grinding and shaping tasks. Designed for \u003cstrong\u003emetal fabrication, welding prep, and heavy stock removal\u003c\/strong\u003e, these discs deliver fast cutting power, durability, and operator comfort.\u003c\/p\u003e\n\n\u003cp\u003eEach flap disc is constructed with \u003cstrong\u003e72 tightly bonded 24 × 18mm sanding flaps\u003c\/strong\u003e, mounted on a reinforced \u003cstrong\u003e8-layer fiberglass backing plate\u003c\/strong\u003e for superior strength, vibration absorption, and safety during high-speed grinding.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003ePremium Zirconia Alumina Abrasive\u003c\/strong\u003e - Self-fracturing grain continuously exposes sharp cutting edges for faster cut rates and longer disc life than aluminium oxide.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eType 29 Aggressive Grinding Design\u003c\/strong\u003e - Optimised for use at a \u003cstrong\u003e15–25° angle\u003c\/strong\u003e, ideal for contouring, shaping, and heavy stock removal with higher grinding pressure.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty X-Weight Backing\u003c\/strong\u003e - Polyester cotton cloth backing provides flexibility and strength for sharp edges and high-pressure applications.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eResin-Over-Resin Bond System\u003c\/strong\u003e - High-strength bonding resists heat and humidity, extending lifespan and improving grain retention under tough conditions.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eReinforced Fiberglass Backing Plate\u003c\/strong\u003e - 8-layer mesh structure delivers extra strength, reduced vibration, improved control, and enhanced operator comfort.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eEnhanced Safety \u0026amp; Durability\u003c\/strong\u003e - Extra resin adhesive securely bonds flaps to the plate, helping prevent flap separation at high RPMs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eDisc Size:\u003c\/strong\u003e 4.5\" (115mm)\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eArbor Hole:\u003c\/strong\u003e 7\/8\"\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eGrit:\u003c\/strong\u003e 40 (Extra Coarse)\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eAbrasive Material:\u003c\/strong\u003e Zirconia Alumina\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eCoating:\u003c\/strong\u003e Closed Coat\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eBacking Material:\u003c\/strong\u003e X-Weight Polyester Cotton\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003ePlate Material:\u003c\/strong\u003e Fiberglass\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eBond:\u003c\/strong\u003e Resin over Resin\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eMax Speed:\u003c\/strong\u003e 13,300 RPM\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Type 29\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Blue\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e 40 discs\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eCompatible Tools:\u003c\/strong\u003e Right Angle Grinders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eIdeal Applications:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eMetal grinding \u0026amp; sanding\u003c\/li\u003e\n\t\u003cli\u003eWeld seam blending\u003c\/li\u003e\n\t\u003cli\u003eHeavy stock removal\u003c\/li\u003e\n\t\u003cli\u003eContouring \u0026amp; surface shaping\u003c\/li\u003e\n\t\u003cli\u003eFabrication, construction \u0026amp; industrial use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003e*Safety Notice:\u003c\/strong\u003e Always wear appropriate PPE including safety glasses, face shield, gloves, and dust protection when operating grinding equipment.\u003c\/em\u003e\u003c\/p\u003e\n","published_at":"2025-12-21T15:22:02+11:00","created_at":"2025-12-21T15:17:03+11:00","vendor":"Randy \u0026 Travis Machinery","type":"","tags":[],"price":9995,"price_min":9995,"price_max":9995,"available":false,"price_varies":false,"compare_at_price":9995,"compare_at_price_min":9995,"compare_at_price_max":9995,"compare_at_price_varies":false,"variants":[{"id":48614233342192,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"NWC-DISC-5328","requires_shipping":true,"taxable":true,"featured_image":null,"available":false,"name":"40 Grit Zirconia Flap Discs 4.5in – 40 Pack Heavy Duty Grinding Discs for Angle Grinders","public_title":null,"options":["Default Title"],"price":9995,"weight":4000,"compare_at_price":9995,"inventory_management":"shopify","barcode":"9356516136803","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/serranoaustralia.com.au\/cdn\/shop\/files\/ca98b3d0f0b70913769a443152d25858.jpg?v=1769977325","\/\/serranoaustralia.com.au\/cdn\/shop\/files\/0e47d07157d0a80ceec95ac95ffd1e6d.jpg?v=1769977327","\/\/serranoaustralia.com.au\/cdn\/shop\/files\/d15da04ae386ae12a8e131fd8686039c.jpg?v=1769977328","\/\/serranoaustralia.com.au\/cdn\/shop\/files\/11a7a93dc175b6b1c8a9ee1e12d637be.jpg?v=1769977330","\/\/serranoaustralia.com.au\/cdn\/shop\/files\/d4be38c3bc610c8c2ae003ec716a349d.jpg?v=1769977332"],"featured_image":"\/\/serranoaustralia.com.au\/cdn\/shop\/files\/ca98b3d0f0b70913769a443152d25858.jpg?v=1769977325","options":["Title"],"media":[{"alt":"40 Grit Zirconia Flap Discs 4.5in – 40 Pack Heavy Duty Grinding Discs for Angle Grinders","id":43402030350576,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1285,"width":1285,"src":"\/\/serranoaustralia.com.au\/cdn\/shop\/files\/ca98b3d0f0b70913769a443152d25858.jpg?v=1769977325"},"aspect_ratio":1.0,"height":1285,"media_type":"image","src":"\/\/serranoaustralia.com.au\/cdn\/shop\/files\/ca98b3d0f0b70913769a443152d25858.jpg?v=1769977325","width":1285},{"alt":"40 Grit Zirconia Flap Discs 4.5in – 40 Pack Heavy Duty Grinding Discs for Angle Grinders","id":43402030416112,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1285,"width":1285,"src":"\/\/serranoaustralia.com.au\/cdn\/shop\/files\/0e47d07157d0a80ceec95ac95ffd1e6d.jpg?v=1769977327"},"aspect_ratio":1.0,"height":1285,"media_type":"image","src":"\/\/serranoaustralia.com.au\/cdn\/shop\/files\/0e47d07157d0a80ceec95ac95ffd1e6d.jpg?v=1769977327","width":1285},{"alt":"40 Grit Zirconia Flap Discs 4.5in – 40 Pack Heavy Duty Grinding Discs for Angle Grinders","id":43402030481648,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1285,"width":1285,"src":"\/\/serranoaustralia.com.au\/cdn\/shop\/files\/d15da04ae386ae12a8e131fd8686039c.jpg?v=1769977328"},"aspect_ratio":1.0,"height":1285,"media_type":"image","src":"\/\/serranoaustralia.com.au\/cdn\/shop\/files\/d15da04ae386ae12a8e131fd8686039c.jpg?v=1769977328","width":1285},{"alt":"40 Grit Zirconia Flap Discs 4.5in – 40 Pack Heavy Duty Grinding Discs for Angle Grinders","id":43402030514416,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1285,"width":1285,"src":"\/\/serranoaustralia.com.au\/cdn\/shop\/files\/11a7a93dc175b6b1c8a9ee1e12d637be.jpg?v=1769977330"},"aspect_ratio":1.0,"height":1285,"media_type":"image","src":"\/\/serranoaustralia.com.au\/cdn\/shop\/files\/11a7a93dc175b6b1c8a9ee1e12d637be.jpg?v=1769977330","width":1285},{"alt":"40 Grit Zirconia Flap Discs 4.5in – 40 Pack Heavy Duty Grinding Discs for Angle Grinders","id":43402030612720,"position":5,"preview_image":{"aspect_ratio":1.0,"height":1285,"width":1285,"src":"\/\/serranoaustralia.com.au\/cdn\/shop\/files\/d4be38c3bc610c8c2ae003ec716a349d.jpg?v=1769977332"},"aspect_ratio":1.0,"height":1285,"media_type":"image","src":"\/\/serranoaustralia.com.au\/cdn\/shop\/files\/d4be38c3bc610c8c2ae003ec716a349d.jpg?v=1769977332","width":1285}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003eGet aggressive material removal and long-lasting performance with these \u003cstrong\u003e4.5\" zirconia flap discs\u003c\/strong\u003e, engineered for demanding grinding and shaping tasks. Designed for \u003cstrong\u003emetal fabrication, welding prep, and heavy stock removal\u003c\/strong\u003e, these discs deliver fast cutting power, durability, and operator comfort.\u003c\/p\u003e\n\n\u003cp\u003eEach flap disc is constructed with \u003cstrong\u003e72 tightly bonded 24 × 18mm sanding flaps\u003c\/strong\u003e, mounted on a reinforced \u003cstrong\u003e8-layer fiberglass backing plate\u003c\/strong\u003e for superior strength, vibration absorption, and safety during high-speed grinding.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003ePremium Zirconia Alumina Abrasive\u003c\/strong\u003e - Self-fracturing grain continuously exposes sharp cutting edges for faster cut rates and longer disc life than aluminium oxide.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eType 29 Aggressive Grinding Design\u003c\/strong\u003e - Optimised for use at a \u003cstrong\u003e15–25° angle\u003c\/strong\u003e, ideal for contouring, shaping, and heavy stock removal with higher grinding pressure.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty X-Weight Backing\u003c\/strong\u003e - Polyester cotton cloth backing provides flexibility and strength for sharp edges and high-pressure applications.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eResin-Over-Resin Bond System\u003c\/strong\u003e - High-strength bonding resists heat and humidity, extending lifespan and improving grain retention under tough conditions.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eReinforced Fiberglass Backing Plate\u003c\/strong\u003e - 8-layer mesh structure delivers extra strength, reduced vibration, improved control, and enhanced operator comfort.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eEnhanced Safety \u0026amp; Durability\u003c\/strong\u003e - Extra resin adhesive securely bonds flaps to the plate, helping prevent flap separation at high RPMs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eDisc Size:\u003c\/strong\u003e 4.5\" (115mm)\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eArbor Hole:\u003c\/strong\u003e 7\/8\"\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eGrit:\u003c\/strong\u003e 40 (Extra Coarse)\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eAbrasive Material:\u003c\/strong\u003e Zirconia Alumina\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eCoating:\u003c\/strong\u003e Closed Coat\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eBacking Material:\u003c\/strong\u003e X-Weight Polyester Cotton\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003ePlate Material:\u003c\/strong\u003e Fiberglass\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eBond:\u003c\/strong\u003e Resin over Resin\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eMax Speed:\u003c\/strong\u003e 13,300 RPM\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Type 29\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Blue\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e 40 discs\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eCompatible Tools:\u003c\/strong\u003e Right Angle Grinders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eIdeal Applications:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eMetal grinding \u0026amp; sanding\u003c\/li\u003e\n\t\u003cli\u003eWeld seam blending\u003c\/li\u003e\n\t\u003cli\u003eHeavy stock removal\u003c\/li\u003e\n\t\u003cli\u003eContouring \u0026amp; surface shaping\u003c\/li\u003e\n\t\u003cli\u003eFabrication, construction \u0026amp; industrial use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003e*Safety Notice:\u003c\/strong\u003e Always wear appropriate PPE including safety glasses, face shield, gloves, and dust protection when operating grinding equipment.\u003c\/em\u003e\u003c\/p\u003e\n"}