{"product_id":"losning-tool-locking-device-retention-knob-bt40-bt50","title":"LÖSNING Tool Locking Device (Retention Knob) — BT40 \/ BT50","description":"\u003cp\u003eGenuine LÖSNING tool locking devices (pull studs \/ retention knobs) for BT40 and BT50 taper tool holders, stocked by San Tools in the UAE. These thread into the rear of the tool holder and are gripped by the machine spindle's drawbar mechanism to pull the holder home and lock it in the taper during machining.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBT40 \u0026amp; BT50 Sizes\u003c\/strong\u003e — matched to the two most common BT taper standards used on Asian-spec machining centres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Construction\u003c\/strong\u003e — through-hardened steel body withstands repeated drawbar clamping cycles without deforming\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Thread\u003c\/strong\u003e — accurately cut thread seats fully home in the holder for a secure, repeatable grip point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced Profile\u003c\/strong\u003e — standard retention-knob geometry keeps spindle balance and ATC (auto tool changer) compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit\u003c\/strong\u003e — drop-in replacement for worn or missing pull studs on existing BT40\/BT50 holders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatch Taper Size\u003c\/strong\u003e — confirm BT40 or BT50 to suit your tool holder before ordering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread In Fully\u003c\/strong\u003e — screw the locking device into the holder's rear thread until fully seated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTorque to Spec\u003c\/strong\u003e — tighten to the holder manufacturer's recommended torque to prevent loosening in use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck ATC Clearance\u003c\/strong\u003e — verify the knob profile clears your machine's tool changer gripper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect Regularly\u003c\/strong\u003e — replace any locking device showing thread wear or deformation from drawbar clamping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Tool Locking Device \/ Retention Knob\u003cbr\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e BT40, BT50\u003cbr\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Hardened steel\u003cbr\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e LÖSNING\u003cbr\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Imported, distributed by San Tools UAE\u003c\/p\u003e","brand":"Losning","offers":[{"title":"BT40","offer_id":46165094596794,"sku":"78605629","price":225.0,"currency_code":"AED","in_stock":true},{"title":"BT50","offer_id":46165094629562,"sku":"78605630","price":375.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0082\/3843\/2337\/files\/JM31113B-1.jpg?v=1784144948","url":"https:\/\/www.santoolsme.com\/products\/losning-tool-locking-device-retention-knob-bt40-bt50","provider":"San Tools","version":"1.0","type":"link"}