Digga X1 Auger Extension
Digga X1 Auger Extension
The Digga X1 adds 500 mm of reach to a Digga A1 auger on an S2 hub, so you can drill deeper post holes with your post hole borer.
- 500 mm long, with the Stihl two-man style (S2) hub.
- Comes with the nut and bolt to fit it.
Not sure your A1 has the S2 hub? Send us a photo of the hub, or the auger's markings, and we'll match it.
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Delivery Information
– 2-5 business days for products in stock that don’t require any customisation
– 5-10 business days for products that require a custom fitting to your machine type
The Digga X1 adds 500 mm of reach to a Digga A1 auger on an S2 hub, so you can drill deeper post holes with your post hole borer.
- 500 mm long, with the Stihl two-man style (S2) hub.
- Comes with the nut and bolt to fit it.
Not sure your A1 has the S2 hub? Send us a photo of the hub, or the auger's markings, and we'll match it.
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{"id":9131745280198,"title":"Digga XO100HD Heavy Duty Outer Auger Extension","handle":"xo100hd-auger-extension","description":"\u003cp\u003eThe XO100HD is the heaviest Digga auger extension, for drilling deeper with an RC11 or DR11 auger on Digga SD drives, on 15 to 30 tonne excavators. It's rated to 95,000 Nm.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOuter extension only, from 1,000 to 4,000 mm in seven lengths.\u003c\/li\u003e\n\u003cli\u003eA 219 mm body with a 12.7 mm wall, and a 100 mm square hub so no adaptor is needed.\u003c\/li\u003e\n\u003cli\u003eEyelets let you hold the auger and extension in the hole while another length goes on or comes off.\u003c\/li\u003e\n\u003cli\u003eAustralian made, with a welded hub and shaft for a straighter hole.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eEvery length is made to order, and we'll confirm the lead time when you order. Tell us your drive and auger when you order and we'll check the extension suits them before anything is ordered.\u003c\/p\u003e","published_at":"2026-10-25T22:57:35+11:00","created_at":"2026-10-25T22:57:34+11:00","vendor":"Digga","type":"Auger Extension","tags":["category:auger-extensions","image review"],"price":411400,"price_min":411400,"price_max":511500,"available":true,"price_varies":true,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":48414987681990,"title":"1000mm","option1":"1000mm","option2":null,"option3":null,"sku":"XO100HD-10-7","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Digga XO100HD Heavy Duty Outer Auger Extension - 1000mm","public_title":"1000mm","options":["1000mm"],"price":411400,"weight":0,"compare_at_price":null,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":48414987714758,"title":"1500mm","option1":"1500mm","option2":null,"option3":null,"sku":"XO100HD-15-7","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Digga XO100HD Heavy Duty Outer Auger Extension - 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It's rated to 95,000 Nm.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOuter extension only, from 1,000 to 4,000 mm in seven lengths.\u003c\/li\u003e\n\u003cli\u003eA 219 mm body with a 12.7 mm wall, and a 100 mm square hub so no adaptor is needed.\u003c\/li\u003e\n\u003cli\u003eEyelets let you hold the auger and extension in the hole while another length goes on or comes off.\u003c\/li\u003e\n\u003cli\u003eAustralian made, with a welded hub and shaft for a straighter hole.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eEvery length is made to order, and we'll confirm the lead time when you order. Tell us your drive and auger when you order and we'll check the extension suits them before anything is ordered.\u003c\/p\u003e"}
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{"id":9131744788678,"title":"Digga XO100 and XT100 Auger Extensions","handle":"xo100-xt100-auger-extension","description":"\u003cp\u003eThe XO100 and XT100 extensions let you drill deeper with a Digga RC10, RC11 or DR11 auger, on 15 to 30 tonne excavators with drives up to the PD50.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOuter extensions (XO100) and telescopic inner extensions (XT100), each from 1,000 to 4,000 mm.\u003c\/li\u003e\n\u003cli\u003eRated to 40,000 Nm. The outer has a 168 mm body with an 11 mm wall, and the inner is 100 mm square solid bar.\u003c\/li\u003e\n\u003cli\u003e100 mm square hub, so no adaptor is needed. Eyelets for lifting, tie-down and hanging the auger in the hole while you add a length.\u003c\/li\u003e\n\u003cli\u003eAustralian made, with a welded hub and shaft for a straighter hole.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eEvery length is made to order, and we'll confirm the lead time when you order. Inners won't fit inside smaller augers. Tell us your drive and auger when you order and we'll check the extension suits them before anything is ordered.\u003c\/p\u003e","published_at":"2026-10-25T22:57:18+11:00","created_at":"2026-10-25T22:57:18+11:00","vendor":"Digga","type":"Auger Extension","tags":["category:auger-extensions","image review"],"price":194700,"price_min":194700,"price_max":403700,"available":true,"price_varies":true,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":48414986338502,"title":"Outer \/ 1000mm","option1":"Outer","option2":"1000mm","option3":null,"sku":"XO100-10-7","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Digga XO100 and XT100 Auger Extensions - Outer \/ 1000mm","public_title":"Outer \/ 1000mm","options":["Outer","1000mm"],"price":207900,"weight":0,"compare_at_price":null,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":48414986371270,"title":"Outer \/ 1500mm","option1":"Outer","option2":"1500mm","option3":null,"sku":"XO100-15-7","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Digga XO100 and XT100 Auger Extensions - 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Inner \/ 4000mm","public_title":"Inner \/ 4000mm","options":["Inner","4000mm"],"price":403700,"weight":0,"compare_at_price":null,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/www.diggingbits.com.au\/cdn\/shop\/files\/xo100-xt100-auger-extension-1_28c8577d-0d72-4620-b877-b5003da9770a.png?v=1792929452","\/\/www.diggingbits.com.au\/cdn\/shop\/files\/xo100-xt100-auger-extension-2_88678322-f037-492d-8339-c1367fb7477a.png?v=1792929452"],"featured_image":"\/\/www.diggingbits.com.au\/cdn\/shop\/files\/xo100-xt100-auger-extension-1_28c8577d-0d72-4620-b877-b5003da9770a.png?v=1792929452","options":["Type","Length"],"media":[{"alt":"Digga XO100 and XT100 Auger Extensions: XO100 (outer) range render, seven lengths","id":35839126765766,"position":1,"preview_image":{"aspect_ratio":0.803,"height":712,"width":572,"src":"\/\/www.diggingbits.com.au\/cdn\/shop\/files\/xo100-xt100-auger-extension-1_28c8577d-0d72-4620-b877-b5003da9770a.png?v=1792929452"},"aspect_ratio":0.803,"height":712,"media_type":"image","src":"\/\/www.diggingbits.com.au\/cdn\/shop\/files\/xo100-xt100-auger-extension-1_28c8577d-0d72-4620-b877-b5003da9770a.png?v=1792929452","width":572},{"alt":"Digga XO100 and XT100 Auger Extensions: XT100 (inner) range render, seven lengths","id":35839126798534,"position":2,"preview_image":{"aspect_ratio":0.525,"height":755,"width":396,"src":"\/\/www.diggingbits.com.au\/cdn\/shop\/files\/xo100-xt100-auger-extension-2_88678322-f037-492d-8339-c1367fb7477a.png?v=1792929452"},"aspect_ratio":0.525,"height":755,"media_type":"image","src":"\/\/www.diggingbits.com.au\/cdn\/shop\/files\/xo100-xt100-auger-extension-2_88678322-f037-492d-8339-c1367fb7477a.png?v=1792929452","width":396},{"alt":"Auger Extension (Telescopic \u0026 Fixed) video","id":35839126732998,"position":3,"preview_image":{"aspect_ratio":1.333,"height":360,"width":480,"src":"\/\/www.diggingbits.com.au\/cdn\/shop\/files\/preview_images\/hqdefault_bfb196c2-05c7-4cdf-b047-ceae50137e1b.jpg?v=1792929452"},"aspect_ratio":1.77,"external_id":"5L4EjtXyg6k","host":"youtube","media_type":"external_video"}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003eThe XO100 and XT100 extensions let you drill deeper with a Digga RC10, RC11 or DR11 auger, on 15 to 30 tonne excavators with drives up to the PD50.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOuter extensions (XO100) and telescopic inner extensions (XT100), each from 1,000 to 4,000 mm.\u003c\/li\u003e\n\u003cli\u003eRated to 40,000 Nm. The outer has a 168 mm body with an 11 mm wall, and the inner is 100 mm square solid bar.\u003c\/li\u003e\n\u003cli\u003e100 mm square hub, so no adaptor is needed. Eyelets for lifting, tie-down and hanging the auger in the hole while you add a length.\u003c\/li\u003e\n\u003cli\u003eAustralian made, with a welded hub and shaft for a straighter hole.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eEvery length is made to order, and we'll confirm the lead time when you order. Inners won't fit inside smaller augers. Tell us your drive and auger when you order and we'll check the extension suits them before anything is ordered.\u003c\/p\u003e"}
Quick View
{"id":9131744297158,"title":"Digga XO75HD and XT75HD Heavy Duty Auger Extensions","handle":"xo75hd-xt75hd-auger-extension","description":"\u003cp\u003eThe XO75HD and XT75HD heavy duty extensions let you drill deeper with a Digga 8 Series auger (A8, RC8 or DR8), on 8 to 20 tonne excavators and backhoes.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOuter extensions (XO75HD) from 1,000 to 5,000 mm, rated to 23,000 Nm on drives up to the PD22. Telescopic inners (XT75HD) from 1,000 to 4,000 mm, rated to 14,000 Nm on drives up to the PD15.\u003c\/li\u003e\n\u003cli\u003eInners slide inside the outer and the auger for transport, but won't fit inside augers 450 mm and under.\u003c\/li\u003e\n\u003cli\u003e75 mm square hub, so no adaptor is needed. 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