{"product_id":"weha-4-flap-diamond-cup-wheel","title":"Weha 4\" Flap Diamond Cup Wheel — Controlled Shaping \u0026 Polish Removal on Granite, Marble \u0026 Engineered Stone","description":"\u003cp\u003ePurpose-built for controlled shaping, surface refinement, and polish removal. The \u003cstrong\u003eWeha 4\" Flap Diamond Cup Wheel\u003c\/strong\u003e delivers smooth, vibration-free performance with zero chipping on granite, marble, engineered stone, quartzite, porcelain, ceramic, and concrete. The rigid aluminum backing and precision-balanced design keep the surface flat and controlled throughout the grind.\u003c\/p\u003e\n\n\u003cp\u003eThe flap diamond construction exposes new diamond layers as the top layer wears — maintaining consistent cutting performance and extending working life beyond standard cup wheels.\u003c\/p\u003e\n\n\u003ch2\u003eWhich Grit to Choose\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e60 Grit\u003c\/strong\u003e — aggressive material removal; use for heavy polish removal, surface leveling, and preparation for honed or leathered finishes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e120 Grit\u003c\/strong\u003e — finer finish; use for light surface refinement, smoothing after 60 grit, and preparation for polishing pads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 5\/8\"-11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacking:\u003c\/strong\u003e Rigid aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable grits:\u003c\/strong\u003e 60, 120\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Wet or dry\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSurface polish removal on granite, marble, and engineered stone\u003c\/li\u003e\n\u003cli\u003eCreating honed finishes\u003c\/li\u003e\n\u003cli\u003ePreparation for leathered or brushed textures\u003c\/li\u003e\n\u003cli\u003eEdge shaping and refinement\u003c\/li\u003e\n\u003cli\u003eConcrete and engineered surface preparation\u003c\/li\u003e\n\u003cli\u003ePorcelain and ceramic surface work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlap diamond construction\u003c\/strong\u003e — new diamond layers exposed as top layer wears; consistent performance and extended life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRigid aluminum backing\u003c\/strong\u003e — flat, controlled grinding surface; no flex or chatter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero chipping\u003c\/strong\u003e — controlled material removal without edge damage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration-free\u003c\/strong\u003e — precision-balanced for smooth, fatigue-free operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5\/8\"-11 thread\u003c\/strong\u003e — fits standard angle grinders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWet or dry use\u003c\/strong\u003e — flexible for shop and jobsite applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWorks Well With\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-4-resin-filled-diamond-cup-wheel\"\u003eWeha 4\" Resin Filled Diamond Cup Wheel\u003c\/a\u003e — follow the Flap Cup Wheel with the Resin Filled for a smoother intermediate finish before polishing\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-4-rubber-diamond-cup-wheel\"\u003eWeha 4\" Rubber Diamond Cup Wheel\u003c\/a\u003e — flexible rubber cup wheel for contoured surfaces and final surface prep\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-blitz-4-resin-filled-cup-wheels\"\u003eWeha Blitz 4\" Resin Filled Cup Wheels\u003c\/a\u003e — high-performance resin cup wheel for aggressive intermediate grinding\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-pig-planetary-polisher-350-vs-with-donkey-package\"\u003eWeha Pig 350VS Planetary Polisher\u003c\/a\u003e — for full surface polish restoration after grinding with the Flap Cup Wheel\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-donkey-face-polish-inline-polishing-pads\"\u003eWeha Donkey Face Polish \u0026amp; Inline Polishing Pads\u003c\/a\u003e — polishing pads for the final polish sequence after surface prep\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Weha","offers":[{"title":"60 Grit","offer_id":51164350742752,"sku":"7650","price":62.09,"currency_code":"USD","in_stock":true},{"title":"120 Grit","offer_id":51164350775520,"sku":"7651","price":62.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/3943\/1904\/files\/76504_FlapDiamondCupwheel60grit.jpg?v=1774356859","url":"https:\/\/protoolhaus.com\/products\/weha-4-flap-diamond-cup-wheel","provider":"Pro Tool Haus","version":"1.0","type":"link"}