{"product_id":"husqvarna-steel-core-bit-extension-1-14-fm-deep-diamond-drilling","title":"Steel Core Bit Extension, 1 1\/4\" F-M, Deep Bore Diamond Drilling, Stackable, Select Sizes","description":"\u003cdiv class=\"CG_Container\"\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThis \u003cb\u003e1 1\/4-inch female-to-male steel core bit extension\u003c\/b\u003e connects between a compatible drill spindle and diamond core bit to extend drilling depth for plumbing mains, utility paths and structural anchor bores. Made from \u003cb\u003ehigh-tensile structural steel\u003c\/b\u003e, it provides rigid, straight-line tracking under the torque loads of professional rig-mounted and handheld diamond drilling machines. Its \u003cb\u003ehollow internal geometry\u003c\/b\u003e supports continuous high-pressure wet water feed, while the modular design allows extensions to be stacked for deeper drilling applications.\u003c\/p\u003e\n\u003ch2\u003eHighlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eExtends the working depth of compatible diamond core drilling equipment\u003c\/li\u003e\n\u003cli\u003e1 1\/4-inch UNC female interface connects to the drill spindle\u003c\/li\u003e\n\u003cli\u003e1 1\/4-inch UNC male interface connects to the diamond core bit\u003c\/li\u003e\n\u003cli\u003eHigh-tensile structural steel construction for heavy-duty commercial drilling\u003c\/li\u003e\n\u003cli\u003eHollow internal geometry supports continuous high-pressure wet water feed\u003c\/li\u003e\n\u003cli\u003eFully modular and stackable design\u003c\/li\u003e\n\u003cli\u003eSuitable for rig-mounted and handheld diamond core drilling machines\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple extension lengths for different bore-depth requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHusqvarna\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSteel core bit extension\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCore Performance Tier\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver \/ Heavy-Duty Commercial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFemale Machine Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 1\/4-inch UNC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMale Core Bit Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 1\/4-inch UNC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Pitch Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7 TPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Metallic Composition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePremium high-tensile structural steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurface Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRust-resistant black oxide \/ industrial zinc plating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInternal Geometry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHollow core optimized for continuous high-pressure wet water feed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExtension Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200 mm, 300 mm, 400 mm, 500 mm, 1000 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200 mm, 300 mm, 400 mm, 500 mm, 1000 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eSpecial Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm that the drill spindle and diamond core bit use compatible 1 1\/4-inch UNC interfaces before installation\u003c\/li\u003e\n\u003cli\u003eExtension length is selected from the available size options\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTags\u003c\/h2\u003e\n\u003cdiv class=\"inline-tags-container inline-text-container\"\u003e\u003cul\u003e\n\u003cli\u003e#Steel Core Bit Extension\u003c\/li\u003e\n\u003cli\u003e#Diamond Drilling Tool\u003c\/li\u003e\n\u003cli\u003e#Core Drill Accessory\u003c\/li\u003e\n\u003cli\u003e#Concrete Drilling\u003c\/li\u003e\n\u003cli\u003e#Deep Bore Drilling\u003c\/li\u003e\n\u003cli\u003e#Wet Diamond Drilling\u003c\/li\u003e\n\u003cli\u003e#Professional Construction Tool\u003c\/li\u003e\n\u003cli\u003e#High Tensile Steel\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c!-- Optimized by CommerceGenie: https:\/\/commercegenie.com --\u003e\r\n\u003cstyle\u003e\n.CG_Container {\n    line-height: 1.5;\n}\n.CG_Container p {\n    margin: 8px 0;\n}\n.CG_Container h1,\n.CG_Container h2 {\n    font-size: 24px;\n    font-weight: bold;\n    margin-top: 20px;\n    margin-bottom: 6px;\n    border-bottom: 2px solid #ccc; 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