Irwin 1882786 7/64″ #4 Wood Tapered Countersink Replacement Bit

Irwin 1882786 7/64″ #4 Wood Tapered Countersink Hex Drill Bit Replacement

The Irwin 1882786 7/64″ #4 Wood Tapered Countersink Replacement Bit is designed as a direct replacement for the drill bit used in the Irwin 1882630 #4 Wood Tapered Countersink. This tapered drill bit restores proper pilot hole sizing for #4 wood screws, helping reduce splitting while maintaining correct screw fit and holding strength. It is intended for wood applications including softwood, hardwood, plywood, and other common woodworking materials.

Manufactured for compatibility with the original adjustable counterbore assembly, this replacement bit installs easily and allows continued use of the countersink body without replacing the entire tool. The tapered profile matches wood screw geometry, while the fluted design supports clean chip removal for smooth, accurate pilot holes. This replacement bit is well suited for carpenters, cabinet installers, maintenance crews, and woodworking shops that rely on consistent fastening results and want to extend the service life of their countersink tools.

Irwin #4 Wood Tapered Countersink Replacement Bit At a Glance

• Direct Replacement: Designed for Irwin 1882630 #4 wood countersink
• Tapered Drill Profile: Matches #4 wood screws for proper fit
• Clean Pilot Holes: Supports smooth drilling in wood materials
• Restores Accuracy: Maintains correct pilot hole size and depth control
• Easy Installation: Fits existing adjustable counterbore assembly
• Wood Applications: Suitable for softwood, hardwood, and plywood

Markets

• Carpentry and Framing: Used to replace worn pilot bits in countersink assemblies
• Cabinet and Furniture Making: Maintains consistent pilot hole sizing for finish work
• Trim and Finish Installation: Supports clean, accurate screw placement
• Maintenance and Repair Crews: Extends tool life for daily fastening tasks
• Construction and Renovation: Keeps countersink tools working accurately on site
• Trade Schools and Workshops: Useful for maintaining training equipment

Over time, pilot drill bits experience wear that can affect hole quality and screw fit. This replacement bit allows users to restore their existing countersink assembly without purchasing a complete new tool. By maintaining the correct tapered profile for #4 wood screws, it helps ensure consistent pilot holes that reduce splitting and support reliable fastening results.

Contractors, installers, and shop users benefit from keeping replacement components on hand to minimize downtime. The ability to reuse the adjustable counterbore assembly helps control costs while maintaining performance. Whether used in a workshop or on a jobsite, this replacement bit supports continued accuracy and dependable fastening in everyday wood applications.

Irwin 1882786 7/64″ #4 Wood Tapered Countersink Replacement Bit Features

• High-Speed Steel Drill Bit: Provides strength and wear resistance for wood drilling
• Tapered Pilot Hole Geometry: Matches screw profile for improved holding power
• Four-Cutter Counterbore: Produces smooth, even countersinks
• Quick-Change Hex Shank: Compatible with standard and impact tools
• Replacement Component Designed for Irwin 1882630 countersink

Irwin 1882786 7/64″ #4 Wood Tapered Countersink Replacement Bit Includes

• (1) 7/64″ #4 Tapered Drill Replacement Bit

Irwin 1882786 7/64″ #4 Wood Tapered Countersink Replacement Bit Specifications

• Product Number: 1882786
• Screw Size: #4
• Bit Diameter: 7/64 in
• Bit Type: Tapered Countersink Replacement Drill Bit
• For Use On Wood: Yes
• Compatibility: Irwin 1882630 Wood Tapered Countersink
• Package Quantity: (1) Replacement Bit

Why Customers Choose the Irwin #4 Wood Tapered Countersink Replacement Bit

Users choose the Irwin 1882786 replacement bit to keep their existing #4 wood tapered countersink working accurately without replacing the entire assembly. By restoring the correct pilot hole size, it helps maintain proper screw fit, reduce splitting, and deliver consistent fastening results.

Carpenters, trim installers, and maintenance crews appreciate the cost savings and convenience of replacing only the worn drill bit while continuing to use the adjustable counterbore they already rely on. For shops and jobsites focused on efficiency and tool longevity, this replacement bit provides a practical solution for maintaining dependable countersink performance.