{"product_id":"grs-002-412-cast-iron-lap-6in","title":"GRS 002-412 Cast Iron 6 Inch Lap","description":"\u003cp\u003eThe \u003cstrong\u003eGRS 002-412 Cast Iron 6 Inch Lap\u003c\/strong\u003e delivers an exceptionally fine, long-lasting finish on gravers and small tools—especially carbide. Precision-ground from a specific grade of cast iron, this lap offers polishing advantages that complement even modern abrasive media. Both faces are \u003cstrong\u003eidentically prepared\u003c\/strong\u003e, effectively giving you the service life of two laps in one unit.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e6 in (152 mm) diameter, precision-ground cast iron for superior edge quality\u003c\/li\u003e\n  \u003cli\u003eProduces noticeably sharper cutting edges for improved tool performance and longevity\u003c\/li\u003e\n  \u003cli\u003eBoth sides finished identically—use either face to extend service life\u003c\/li\u003e\n  \u003cli\u003eWorks excellently with 1 micron diamond spray for final polishing\u003c\/li\u003e\n  \u003cli\u003eRecommended for carbide tools; also suitable for tool steel, HSS, and hardened carbon steels\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003eGRS 002-412\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCast iron, precision ground\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e6 in (152 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eFaces\u003c\/th\u003e\n\u003ctd\u003eDual-sided, identically prepared\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eRecommended Compound\u003c\/th\u003e\n\u003ctd\u003e1 µm diamond spray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCharge lightly with 1 µm diamond spray and allow the carrier to flash off before honing.\u003c\/li\u003e\n  \u003cli\u003eWipe the surface clean between compounds to prevent contamination.\u003c\/li\u003e\n  \u003cli\u003eFor tool steel or HSS applications prone to grooving softer laps, a ceramic lap may be preferable for heavy stock removal.\u003c\/li\u003e\n  \u003cli\u003eIdeal for final honing and polishing of gravers, knives, and small cutting tools used in engraving and stone setting.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43579853340886,"sku":"102.412","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-002-412-cast-iron-6-inch-lap-otto-frei.jpg?v=1719958416","url":"https:\/\/www.ottofrei.com\/products\/grs-002-412-cast-iron-lap-6in","provider":"Otto Frei","version":"1.0","type":"link"}