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The IRWIN IR3041002 is a wood boring bit sized at 5/8 inches in diameter and 6 inches in length. It is designed for drilling clean, accurate holes through wood framing, joists, studs, and similar structural lumber. This type of bit is standard tooling for electricians, plumbers, and HVAC technicians routing conduit, pipe, and ductwork through wood members during rough-in work. The 5/8-inch bore diameter suits a range of trade applications where a precise, consistent hole size is required through dimensional lumber or engineered wood.
This bit is suited for residential and light commercial construction and service work. Electricians use bits in this size range when fishing wire or pulling conduit through framing. Plumbers and HVAC techs reach for them when routing copper, PEX, or flexible duct transitions through floor or wall cavities. The 6-inch length provides enough reach to clear standard dimensional lumber and typical wall assemblies without requiring an extension.
Designed as an OEM-style replacement or standard trade-use wood boring bit compatible with conventional drill chucks accepting standard shank sizes used in wood framing and rough-in applications.
Wood boring bits of this type are installed and operated by electricians, plumbers, and HVAC technicians during rough-in phases. Ensure the drill is set to an appropriate speed for wood boring before starting. Confirm the work area is clear of hidden utilities, fasteners, or structural members before drilling. Follow all applicable local building codes and safe tool-handling practices when boring through structural components.
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