{"product_id":"cnc-tool-holder-double-edged-rough-boring-hole-cutter-bar-bt40-bt50-shank-100l-150l-200l-250l-high-precision-boring-chuck-for-industrial-machining-operations-metalworking","title":"CNC Tool Holder Double-edged Rough Boring Hole Cutter Bar BT40 BT50 Shank 100L 150L 200L 250L High Precision Boring Chuck for Industrial Machining Operations Metalworking","description":"\u003ch1\u003eCNC Tool Holder Double-edged Boring Cutter Bar for BT40 BT50 Spindles\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"CNC tool holder double-edged rough boring cutter bar BT40 BT50 100L to 250L steel construction\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/3010\/2025-10-16\/original-image\/56051176-c94b-44a2-84a4-e8f6ed7be53a_fine.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThis double-edged rough boring hole cutter bar is engineered for use in CNC machining centres, offering a practical solution for enlarging existing holes with improved precision and efficiency. Its twin-edged design helps distribute cutting forces more evenly compared to single-point tools, which can reduce vibration and improve hole straightness in steel, aluminium, and other metals. The holder is available in multiple BT taper and length combinations to match common spindle types and workpiece depths.\u003c\/p\u003e\u003ch2\u003eFeatures and Construction\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"CNC tool holder double-edged rough boring cutter bar BT40 BT50 100L to 250L steel construction\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/3010\/2025-10-16\/original-image\/8d1a475b-3064-4a87-aed3-c3c62d848ef5_fine.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThe tool holder is built for industrial machining environments, with a focus on rigidity and repeatability. Each variant uses a pop rivet style boring shank design for secure clamping within the chuck.\u003c\/p\u003e\u003ch3\u003eDouble-edged Design\u003c\/h3\u003e\u003cp\u003eTwo cutting edges engage the workpiece simultaneously, balancing radial forces. This configuration helps minimise deflection and produces a more consistent bore surface during roughing passes. It also allows for higher metal removal rates compared to single-edged alternatives.\u003c\/p\u003e\u003ch3\u003eMaterial and Hardness\u003c\/h3\u003e\u003cp\u003eThe holder body is made from steel, providing the structural stiffness required for interrupted cuts and heavy stock removal. Specific hardness ratings are available by contacting customer service, ensuring the tool can be matched to the intended application and workpiece material.\u003c\/p\u003e\u003ch3\u003eAvailable Specifications\u003c\/h3\u003e\u003cp\u003eSix variants are offered: BT40-BST-100L, BT40-BST-150L, BT50-BST-100L, BT50-BST-150L, BT50-BST-200L, and BT50-BST-250L. The number indicates the BT taper size (40 or 50) and the extension length in millimetres (100, 150, 200, or 250). Choose the combination that best fits your machine’s spindle and the depth of the hole you need to bore.\u003c\/p\u003e\u003ch2\u003eUses and Placement\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"CNC tool holder double-edged rough boring cutter bar BT40 BT50 100L to 250L steel construction\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/3010\/2025-10-16\/original-image\/9e413b45-c922-4fea-a5d6-2baf371b1deb.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThis boring tool is intended for use in CNC milling machines with BT40 or BT50 spindle tapers. It is commonly employed in automotive, aerospace, and general engineering workshops for enlarging cored or drilled holes to precise diameters before finishing operations.\u003c\/p\u003e\u003ch3\u003eRough Boring Applications\u003c\/h3\u003e\u003cp\u003eThe double-edged configuration makes this holder particularly suited for rough boring passes. By removing the majority of material in a single pass, it prepares the bore for a finishing tool while reducing overall cycle time. The balanced cutting action helps maintain hole location and reduces the risk of chatter.\u003c\/p\u003e\u003ch3\u003eMachine Compatibility\u003c\/h3\u003e\u003cp\u003eThe BT40 and BT50 tapers conform to standard machine tool interfaces, allowing direct mounting in compatible spindles. The 100L to 250L extensions provide clearance for deep recesses or components with complex geometries. Always ensure the tool’s length does not exceed the machine’s Z-axis travel limits.\u003c\/p\u003e\u003ch2\u003eBenefits and Buying Value\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"CNC tool holder double-edged rough boring cutter bar BT40 BT50 100L to 250L steel construction\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/3010\/2025-10-16\/original-image\/b3c58b10-a11a-4611-958b-cda8015b21af_fine.webp\"\u003e\u003c\/div\u003e\u003cp\u003eChoosing a high-precision boring holder supports consistent machining results part after part. The double-edged design enhances chip evacuation and reduces the load on the spindle, contributing to longer tool life when maintained correctly.\u003c\/p\u003e\u003ch3\u003eRigidity and Precision\u003c\/h3\u003e\u003cp\u003eSteel construction combined with a secure pop rivet boring shank interface minimises runout and deflection. This rigidity translates to better diameter control and surface finish during rough boring cycles, reducing the need for multiple finishing passes.\u003c\/p\u003e\u003ch3\u003eVersatile Length Options\u003c\/h3\u003e\u003cp\u003eWith lengths ranging from 100mm to 250mm, the holder can be selected to match the depth of bored holes without excessive overhang. Shorter holders offer greater stiffness for shallow workpieces, while longer versions reach deeper cavities without sacrificing positioning accuracy.\u003c\/p\u003e\u003ch3\u003eWhy Choose This Tool Holder\u003c\/h3\u003e\u003cp\u003eIf your shop regularly machines holes requiring enlargement, this double-edged holder provides a dependable option for rough boring operations. The availability of multiple BT sizes and lengths ensures compatibility with a wide range of CNC machines and part dimensions. Contact customer service for hardness specifications if they are critical to your specific cutting conditions.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"CNC tool holder double-edged rough boring cutter bar BT40 BT50 100L to 250L steel construction\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/3010\/2025-10-16\/original-image\/d25e1600-e041-4876-b6c0-628aca0c8bd3_fine.webp\"\u003e\u003c\/div\u003e","brand":"fcm1e0-ws","offers":[{"title":"BT50x150L","offer_id":53600915751248,"sku":"CJYD225313805EV","price":229.88,"currency_code":"GBP","in_stock":true},{"title":"BT50x100L","offer_id":53600915784016,"sku":"CJYD225313804DW","price":205.88,"currency_code":"GBP","in_stock":true},{"title":"BT40x150L","offer_id":53600915816784,"sku":"CJYD225313803CX","price":222.88,"currency_code":"GBP","in_stock":true},{"title":"BT40x100L","offer_id":53600915849552,"sku":"CJYD225313802BY","price":195.88,"currency_code":"GBP","in_stock":true},{"title":"BT50x250L","offer_id":53600915882320,"sku":"CJYD225313807GT","price":309.88,"currency_code":"GBP","in_stock":true},{"title":"BT50x200L","offer_id":53600915915088,"sku":"CJYD225313806FU","price":265.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/9440\/3664\/files\/9e413b45-c922-4fea-a5d6-2baf371b1deb.webp?v=1789214711","url":"https:\/\/xkkman.com\/products\/cnc-tool-holder-double-edged-rough-boring-hole-cutter-bar-bt40-bt50-shank-100l-150l-200l-250l-high-precision-boring-chuck-for-industrial-machining-operations-metalworking","provider":"xkkman.com","version":"1.0","type":"link"}