{"product_id":"armeg-300mm-hole-saw-extension-bar-11mm-hex-shank-chext300l","title":"Armeg 300mm Hole Saw Extension Bar 11mm Hex Shank | CHEXT300L","description":"\u003ch1 class=\"MsoNormal\"\u003eArmeg 300mm Hole Saw Extension Bar 11mm Hex Shank | CHEXT300L\u003c\/h1\u003e\n\u003cp class=\"MsoNormal\"\u003eThe Armeg CHEXT300L 300mm Hole Saw Extension Bar is designed to extend the reach of hex shank hole saw arbors, making it ideal for deep drilling and hard-to-access locations. Built from high-quality, fully heat-treated steel, it delivers strength, durability, and reliable performance on demanding site work.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eFeaturing an 11mm (7\/16″) hex shank, the extension securely connects to compatible hex shank arbors using a grub screw fixing system. For even greater reach, multiple extension bars can be coupled together where required.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eManufactured in Britain, this is a dependable accessory for professional installers using hole saw systems across electrical, plumbing, and construction applications.\u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003eFeatures\u003c\/h2\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e300mm Extension Length – Increases hole saw reach\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003eFor Hex Shank Arbors Only – Designed for hexagon shanked hole saw arbors\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e11mm (7\/16″) Hex Shank – Secure drill chuck grip\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003eGrub Screw Fixing – Strong, positive arbor connection\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003eHeat-Treated Steel – High durability and long service life\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003eStackable Extensions – Can be doubled up for extra reach\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMade in Britain – Trade-quality manufacturing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"MsoNormal\"\u003eSpecification\u003c\/h2\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003eProduct Code: CHEXT300L\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003eProduct Type: Hole saw extension bar\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003eLength: 300mm\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003eShank Type: Hex\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003eShank Size: 11mm (7\/16″)\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003eCompatibility: Hex shank hole saw arbors only\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003eMaterial: Fully heat-treated steel\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003eFixing Method: Grub screw clamp\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003eCountry of Manufacture: Britain\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003eBrand: Armeg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"MsoNormal\"\u003eInstallation Notes (User Guidance)\u003c\/h2\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo3; tab-stops: list 36.0pt;\"\u003eUse only with hexagon shanked hole saw arbors\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo3; tab-stops: list 36.0pt;\"\u003eInsert arbor fully into the extension bar socket\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo3; tab-stops: list 36.0pt;\"\u003eAlign a flat of the arbor shank with the grub screw hole\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo3; tab-stops: list 36.0pt;\"\u003eTighten the grub screw firmly onto the flat\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo3; tab-stops: list 36.0pt;\"\u003eCheck grub screw tightness periodically during use\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo3; tab-stops: list 36.0pt;\"\u003eMultiple extensions may be combined for longer reach\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"MsoNormal\"\u003eTypical Applications\u003c\/h2\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list 36.0pt;\"\u003eDeep wall drilling\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list 36.0pt;\"\u003eThick masonry and timber sections\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list 36.0pt;\"\u003eService void access\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list 36.0pt;\"\u003eRetrofit and remedial works\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list 36.0pt;\"\u003eHard-to-reach drilling positions\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Armeg","offers":[{"title":"Default Title","offer_id":53542287704410,"sku":"CHEXT300L","price":39.56,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/6232\/6106\/files\/Holesaw-Extensions_1_55c95850-d9ef-4858-b36e-faa7ef94866e.webp?v=1770628426","url":"https:\/\/account.alertelectrical.com\/products\/armeg-300mm-hole-saw-extension-bar-11mm-hex-shank-chext300l","provider":"Alert Electrical","version":"1.0","type":"link"}