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{"id":9681040933015,"title":"Whiteside HD4125 Hercules Spiral Downcut Straight Router Bit: 3\/8 Inch Cutting Diameter, 3\/8 Inch Shank, 1-1\/4 Inch Cutting Length","handle":"whiteside-hd4125-hercules-spiral-downcut-straight-router-bit-3-8-inch-cutting-diameter-3-8-inch-shank-1-1-4-inch-cutting-length","description":"\u003ch3\u003eWhiteside HD4125 Hercules Spiral Downcut Straight Router Bit: 3\/8 Inch Cutting Diameter, 3\/8 Inch Shank, 1-1\/4 Inch Cutting Length\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eMeant for heavy loads, this bit is engineered for maximum bit life in high\nwear applications. Ideal for long production runs in MDF and laminated\nmaterials. The down cut spiral design provides the best top surface edges,\nejecting chips away from the router when routing through material. This design\nalso decreases the tendency to lift thin\/small work pieces during CNC routing.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eTOOL SPECS: Solid carbide, downcut spiral with 3\/8\" cutting diameter, 3\/8\" shank, 1-1\/4\" cutting length, and 3\" overall length for use in routers with a 3\/8\" collet.\u003c\/li\u003e\n \u003cli\u003eHERCULES: Built like \"Hercules\" to withstand severe loads, offering exceptional strength and durability in demanding tasks.\u003c\/li\u003e\n \u003cli\u003eMAXIMUM LIFE: Engineered for extended bit life in high-wear applications, ensuring durability and long-lasting performance even in tough materials.\u003c\/li\u003e\n \u003cli\u003eDOWN CUT SPIRAL: The helix on Down Cut Spirals ensures a smooth finish on the surface of the material closest to the router. Perfect for clean top edges in handheld routing or CNC applications.\u003c\/li\u003e\n \u003cli\u003eMATERIALS: Ideal for long production runs in MDF and laminated materials, delivering consistent, precise cuts for high-efficiency woodworking projects.\u003c\/li\u003e\n \u003cli\u003eMACHINES: Designed for hand-held routers, router tables, and CNC machines in a wide variety of applications.\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-07-30T18:27:38+10:00","created_at":"2026-07-26T20:48:25+10:00","vendor":"Whiteside Router Bits","type":"Spiral","tags":["home_improvement_Aug2026"],"price":25800,"price_min":25800,"price_max":25800,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":48068253745303,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B07B8XHCXY","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Whiteside HD4125 Hercules Spiral Downcut Straight Router Bit: 3\/8 Inch Cutting Diameter, 3\/8 Inch Shank, 1-1\/4 Inch Cutting Length","public_title":null,"options":["Default Title"],"price":25800,"weight":68,"compare_at_price":null,"inventory_management":"shopify","barcode":"844278006599","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/newnestshop.com\/cdn\/shop\/files\/B07B8XHCXY.jpg?v=1785062907"],"featured_image":"\/\/newnestshop.com\/cdn\/shop\/files\/B07B8XHCXY.jpg?v=1785062907","options":["Title"],"media":[{"alt":null,"id":42456743346327,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/B07B8XHCXY.jpg?v=1785062907"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/B07B8XHCXY.jpg?v=1785062907","width":1024}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eWhiteside HD4125 Hercules Spiral Downcut Straight Router Bit: 3\/8 Inch Cutting Diameter, 3\/8 Inch Shank, 1-1\/4 Inch Cutting Length\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eMeant for heavy loads, this bit is engineered for maximum bit life in high\nwear applications. Ideal for long production runs in MDF and laminated\nmaterials. The down cut spiral design provides the best top surface edges,\nejecting chips away from the router when routing through material. This design\nalso decreases the tendency to lift thin\/small work pieces during CNC routing.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eTOOL SPECS: Solid carbide, downcut spiral with 3\/8\" cutting diameter, 3\/8\" shank, 1-1\/4\" cutting length, and 3\" overall length for use in routers with a 3\/8\" collet.\u003c\/li\u003e\n \u003cli\u003eHERCULES: Built like \"Hercules\" to withstand severe loads, offering exceptional strength and durability in demanding tasks.\u003c\/li\u003e\n \u003cli\u003eMAXIMUM LIFE: Engineered for extended bit life in high-wear applications, ensuring durability and long-lasting performance even in tough materials.\u003c\/li\u003e\n \u003cli\u003eDOWN CUT SPIRAL: The helix on Down Cut Spirals ensures a smooth finish on the surface of the material closest to the router. Perfect for clean top edges in handheld routing or CNC applications.\u003c\/li\u003e\n \u003cli\u003eMATERIALS: Ideal for long production runs in MDF and laminated materials, delivering consistent, precise cuts for high-efficiency woodworking projects.\u003c\/li\u003e\n \u003cli\u003eMACHINES: Designed for hand-held routers, router tables, and CNC machines in a wide variety of applications.\u003c\/li\u003e\n \u003c\/ul\u003e"}

Whiteside HD4125 Hercules Spiral Downcut Straight Router Bit: 3/8 Inch Cutting Diameter, 3/8 Inch Shank, 1-1/4 Inch Cutting Length

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$258.00 AUD
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Whiteside HD4125 Hercules Spiral Downcut Straight Router Bit: 3/8 Inch Cutting Diameter, 3/8 Inch Shank, 1-1/4 Inch Cutting Length

Meant for heavy loads, this bit is engineered for maximum bit life in high wear applications. Ideal for long production runs in MDF and laminated materials. The down cut spiral design provides the best top surface edges, ejecting chips away from the router when routing through material. This design also decreases the tendency to lift thin/small work pieces during CNC routing.

Product Features

  • TOOL SPECS: Solid carbide, downcut spiral with 3/8" cutting diameter, 3/8" shank, 1-1/4" cutting length, and 3" overall length for use in routers with a 3/8" collet.
  • HERCULES: Built like "Hercules" to withstand severe loads, offering exceptional strength and durability in demanding tasks.
  • MAXIMUM LIFE: Engineered for extended bit life in high-wear applications, ensuring durability and long-lasting performance even in tough materials.
  • DOWN CUT SPIRAL: The helix on Down Cut Spirals ensures a smooth finish on the surface of the material closest to the router. Perfect for clean top edges in handheld routing or CNC applications.
  • MATERIALS: Ideal for long production runs in MDF and laminated materials, delivering consistent, precise cuts for high-efficiency woodworking projects.
  • MACHINES: Designed for hand-held routers, router tables, and CNC machines in a wide variety of applications.

Buy with confidence as this product comes with 18 months full local warranty in Australia & New Zealand (unless otherwise stated in the overview).

This product also comes with the benefits of the CocoonPower Warranty. For further details please read our Warranty Guidelines.

You can also purchase 3 Year Extended Care. If you are interested please see our Extended Care Information.