{"product_id":"techniks-17140-1-4-end-mill-holder-bt40-1-4-inch-bore","title":"Techniks 17140-1\/4 End Mill Holder BT40 1\/4 Inch Bore","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe TECHNIKS 17140-1\/4 is a BT40 taper shank end mill holder designed for use in CNC machining centers that accept the BT40 spindle interface. It features a 1\/4 inch bore diameter and a 2.5 inch projection, positioning the cutting tool at a consistent, repeatable distance from the spindle face. Overall length is 5.075 inches. The nose diameter measures 25\/32 inch. This holder is installed by machinists and toolroom technicians as part of a precision toolholding setup for milling operations.\u003c\/p\u003e\u003cp\u003eThis end mill holder is suited for vertical and horizontal CNC machining centers equipped with a BT40 spindle taper. The 1\/4 inch bore accommodates standard shank end mills and other round-shank cutting tools of that diameter. With a 2.5 inch projection, it provides clearance for a range of workpiece geometries and fixturing configurations commonly encountered in production and job-shop environments.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBT40 taper shank for use in BT40-compatible CNC spindles\u003c\/li\u003e\n\u003cli\u003e1\/4 inch bore diameter for standard round-shank end mills\u003c\/li\u003e\n\u003cli\u003e2.5 inch projection for consistent tool reach and clearance\u003c\/li\u003e\n\u003cli\u003e25\/32 inch nose diameter\u003c\/li\u003e\n\u003cli\u003e5.075 inch overall length\u003c\/li\u003e\n\u003cli\u003eNo through-coolant configuration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a direct-fit toolholder for CNC machining centers equipped with a BT40 taper spindle interface and standard pull-stud retention systems.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist or toolroom technician. Ensure the spindle and toolholder tapers are clean and free of chips or contaminants before seating the holder. Use a properly rated torque wrench and the appropriate retention knob when securing the pull stud. Never exceed the spindle speed rating of the machine or toolholder assembly.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: BT40 Taper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore Diameter\u003c\/strong\u003e: 1\/4 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProjection\u003c\/strong\u003e: 2.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 5.075 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNose Diameter\u003c\/strong\u003e: 25\/32 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough Coolant\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 2.4 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 27112800\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: TECHNIKS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 17140-1\/4\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TECHNIKS","offers":[{"title":"Default Title","offer_id":52084526907698,"sku":"17140-1\/4","price":147.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/b35523c48bb9eea006e69e7f33d3136b.jpg?v=1790058287","url":"https:\/\/voomisupply.com\/products\/techniks-17140-1-4-end-mill-holder-bt40-1-4-inch-bore","provider":"Voomi Supply","version":"1.0","type":"link"}