{"product_id":"drill-bit-shank-extension-rod-set-square-round-hexagonal","title":"Drill Bit Extension Rod Set – Square, Round \u0026 Hex Shank","description":"\n\u003ch2\u003eDrill Bit Extension Rod \u0026amp; Conversion Set – Square, Round \u0026amp; Hexagonal Shanks\u003c\/h2\u003e\n\u003cp\u003eUpgrade your drilling toolkit with this versatile \u003cstrong\u003e3-piece Drill Bit Shank Extension Rod Set\u003c\/strong\u003e. Engineered from durable carbon steel, this adapter kit lets you seamlessly switch between hammer drills, impact drills, and water drills\/wall saws — making it the go-to solution for home renovation projects and professional construction applications alike.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're drilling into concrete, brick, or masonry walls, these extension rods expand your reach and adapt to a wide range of drill accessories, giving you the flexibility to tackle any job with confidence.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Supports connection and conversion between hammer drills, impact drills, and water drills\/wall saws — enabling quick, flexible switching between tools on the job.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Designed for drilling into hard materials such as concrete, brick, and masonry walls; ideal for home decoration and engineering projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtended Reach:\u003c\/strong\u003e Built-in extended adapter design increases drilling depth and accommodates different sizes of drill accessories.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Carbon Steel Construction:\u003c\/strong\u003e Impact-resistant and wear-resistant carbon steel construction stands up to high-load drilling scenarios for long-lasting performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete 3-Piece Set:\u003c\/strong\u003e Includes one each of square, round, and hexagonal shank extension rods with matching water drill bit adapters — ready for multiple tool interfaces right out of the box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Carbon Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConverter Rod Outer Thread Diameter:\u003c\/strong\u003e 12.5 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConverter Rod Total Length:\u003c\/strong\u003e 64 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Drill Bit Outer Thread Diameter:\u003c\/strong\u003e 21.5 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Drill Bit Inner Thread Diameter:\u003c\/strong\u003e 12.5 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Drill Bit Total Length:\u003c\/strong\u003e 47 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSquare Shank:\u003c\/strong\u003e For hammer drills\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRound Shank:\u003c\/strong\u003e For impact drills\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHexagonal Shank:\u003c\/strong\u003e For hex-drive drills\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e As shown in product images\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Square Shank Extension Rod + Water Drill Bit Adapter\u003c\/li\u003e\n  \u003cli\u003e1× Round Shank Extension Rod + Water Drill Bit Adapter\u003c\/li\u003e\n  \u003cli\u003e1× Hexagonal Shank Extension Rod + Water Drill Bit Adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eColors in product images may vary slightly from the actual item due to monitor brightness and lighting conditions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow minor deviations in measurements due to manual measurement methods.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTool Safety Resource\u003c\/h3\u003e\n\u003cp\u003eFor best practices when using power tools and drill accessories, refer to the OSHA Power Tools Safety Guidelines to ensure safe operation on every job site.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of drills are compatible with this extension rod set?\u003c\/h4\u003e\n\u003cp\u003eA: This drill bit shank extension rod set is compatible with hammer drills (square shank), impact drills (round shank), and hex-drive drills (hexagonal shank), as well as water drills and wall saws via the included adapter. It covers the most common drill interfaces used in home improvement and professional construction.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What materials can I drill into using these extension rods?\u003c\/h4\u003e\n\u003cp\u003eA: These carbon steel extension rods and adapters are designed for use with hard materials including concrete, brick, and masonry walls. They are well-suited for both home renovation tasks and heavier engineering or construction projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is included in the package?\u003c\/h4\u003e\n\u003cp\u003eA: You receive a complete set of three extension rods — one square shank, one round shank, and one hexagonal shank — each paired with a matching water drill bit adapter, giving you everything needed to connect and convert between multiple tool types.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What are the key dimensions of the extension rods?\u003c\/h4\u003e\n\u003cp\u003eA: The converter rod has an outer thread diameter of 12.5 mm and a total length of 64 mm. The water drill bit adapter has an outer thread diameter of 21.5 mm, an inner thread diameter of 12.5 mm, and a total length of 47 mm.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of drills are compatible with this extension rod set?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This drill bit shank extension rod set is compatible with hammer drills (square shank), impact drills (round shank), and hex-drive drills (hexagonal shank), as well as water drills and wall saws via the included adapter. 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