{"product_id":"2-7-8-ss-helical-anchor-extension","title":"2-7\/8\" Helical Anchor Extension | 5 or 7 Foot Shoulder to Shoulder","description":"\u003ch1\u003eHelical Anchor Extension\u003c\/h1\u003e\n\u003ch2\u003e2-7\/8\" \u003c\/h2\u003e\n\u003ch3\u003e5 and 7 Foot Shoulder to Shoulder Length\u003c\/h3\u003e\n\u003cp\u003ePlain helical extension used to reach competent bearing soil beyond a lead section's depth. 2-7\/8\" OD × 0.217\" wall tubular steel shaft with matching pin-and-box coupling ends.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: tube 80 ksi min. yield; pin\/box 107 ksi min. yield\u003c\/li\u003e\n\u003cli\u003eFinish: hot-dip galvanized per ASTM A123\u003c\/li\u003e\n\u003cli\u003eTorque rating: 13,000 ft-lb\u003c\/li\u003e\n\u003cli\u003eCoupling: 3\/4\" hex bolts, ASTM A325\u003c\/li\u003e\n\u003cli\u003eStack multiple extensions per pile as site conditions require\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/0516\/9733\/files\/ChatGPT_Image_Sep_11_2026_04_46_36_PM_1.png?v=1789159643\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/0516\/9733\/files\/ChatGPT_Image_Sep_11_2026_04_46_36_PM_2.png?v=1789159643\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eComponent only. Depth-to-refusal and extension count for a specific site remain the responsibility of the buyer's registered design professional.\u003c\/em\u003e\u003c\/p\u003e","brand":"Helical Anchors Inc.","offers":[{"title":"5' Shoulder to Shoulder","offer_id":45722391937093,"sku":"EXT-278-5FT","price":129.0,"currency_code":"USD","in_stock":true},{"title":"7' Shoulder to Shoulder","offer_id":45722391969861,"sku":"TE27821784","price":151.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0606\/0516\/9733\/files\/TE27821784-1.png?v=1789159382","url":"https:\/\/skidsteerstore.com\/products\/2-7-8-ss-helical-anchor-extension","provider":"Skid Steer Store","version":"1.0","type":"link"}