{"product_id":"mkr-carbide-internal-grooving-tool","title":"MKR Carbide Internal Grooving Tool | Small-Hole Boring Bar for CNC Lathe","description":"\u003ch2\u003eMKR Carbide Internal Grooving Tool\u003c\/h2\u003e\u003cp\u003eSolid-carbide boring bar for small-hole internal grooving on CNC lathes, designed to provide stable cutting in compact bores.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSolid-carbide construction for rigidity, wear resistance and consistent small-bore machining.\u003c\/li\u003e\n\u003cli\u003eSharp cutting geometry helps reduce cutting resistance and support a clean groove finish.\u003c\/li\u003e\n\u003cli\u003eCoated cutting edge improves heat and oxidation resistance in suitable applications.\u003c\/li\u003e\n\u003cli\u003eRound shank design supports secure clamping in compatible boring-bar holders.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplication\u003c\/h3\u003e\u003cp\u003eThe MKR series is intended primarily for internal grooving. The original product data indicates use in bores above approximately 4 mm, depending on tool size and groove geometry.\u003c\/p\u003e\u003ch3\u003eSelection\u003c\/h3\u003e\u003cp\u003eSelect the required MKR shank diameter, nose radius and cutting length from the variant menu. Confirm bore diameter, groove geometry and required reach before machining.\u003c\/p\u003e","brand":"BB Tools","offers":[{"title":"MKR4 R0.5 L10","offer_id":48395542757687,"sku":"MKR*4.0R0.5L10","price":7.0,"currency_code":"USD","in_stock":true},{"title":"MKR4 R0.5 L15","offer_id":48395542921527,"sku":"MKR*4.0R0.5L15","price":7.0,"currency_code":"USD","in_stock":true},{"title":"MKR4 R0.75 L10","offer_id":48395542790455,"sku":"MKR*4.0R0.75L10","price":7.0,"currency_code":"USD","in_stock":true},{"title":"MKR4 R0.75 L15","offer_id":48395542823223,"sku":"MKR*4.0R0.75L15","price":7.0,"currency_code":"USD","in_stock":true},{"title":"MKR5 R0.5 L15","offer_id":51200869794103,"sku":null,"price":9.5,"currency_code":"USD","in_stock":true},{"title":"MKR5 R0.75 L15","offer_id":51200869826871,"sku":null,"price":9.5,"currency_code":"USD","in_stock":true},{"title":"MKR5 R1.0 L15","offer_id":51200869859639,"sku":null,"price":9.5,"currency_code":"USD","in_stock":true},{"title":"MKR5 R1.0 L22","offer_id":51200869892407,"sku":null,"price":9.5,"currency_code":"USD","in_stock":true},{"title":"MKR6 R0.5 L15","offer_id":51200869925175,"sku":null,"price":12.0,"currency_code":"USD","in_stock":true},{"title":"MKR6 R0.5 L22","offer_id":51200869957943,"sku":null,"price":12.0,"currency_code":"USD","in_stock":true},{"title":"MKR6 R0.75 L15","offer_id":51200869990711,"sku":null,"price":12.0,"currency_code":"USD","in_stock":true},{"title":"MKR6 R1.0 L15","offer_id":51200870023479,"sku":null,"price":12.0,"currency_code":"USD","in_stock":true},{"title":"MKR8 R0.5 L22","offer_id":51200870056247,"sku":null,"price":19.5,"currency_code":"USD","in_stock":true},{"title":"MKR8 R0.75 L22","offer_id":51200870089015,"sku":null,"price":19.5,"currency_code":"USD","in_stock":true},{"title":"MKR8 R1.0 L22","offer_id":51200870121783,"sku":null,"price":19.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/5343\/8263\/files\/boringbar_MKR.png?v=1761579171","url":"https:\/\/bbtool.co\/products\/mkr-carbide-internal-grooving-tool","provider":"BB Tool","version":"1.0","type":"link"}