42-66-1006 1/2 "chuck drill bit Fits for 2804-20 2704-22 drill bit chucks | Replace For 2704-20 2804-22 42-66 -2706 42-66-2707 etc model Drill Chuck

Precision Fit for Drills – This 42-66-1006 keyless chuck is engineered as a direct replacement for models 2704-20, 2704-22, 2804-20, 2804-22, 2903-20, 2904-20, and other compatible drivers. It seamlessly replaces original parts 42-66-2706 and 42-66-2707, so you can get your tool back to peak performance without hunting for multiple components. Heavy-Duty 1/2" Carbide-Jawed Design , this chuck features hardened carbide jaws 1/16" to 1/2". The radial-lock mechanism ensures bits stay securely locked under high torque, reducing slippage and extending bit life compared to standard steel-jaw chucks. Precise 9/16"-18 Mount with Integrated Screw – Engineered with a 9/16"-18 internal thread and comes with the matching 05-88-0019 M8.0 x 1 left-hand threaded chuck screw (T-40 head). This combination ensures a wobble free, secure attachment to your drill’s spindle, eliminating play that can compromise drilling accuracy. Compact Yet Rugged Construction – With a base diameter of 1-11/16" and an overall length of just 2-1/8" (with jaws fully retracted), this chuck maintains a slim profile that fits tight spaces while still providing the durability needed for concrete, metal, and wood applications. The through-hole design allows for deeper bit insertion when extra reach is required. Simple Keyless Operation for Fast Bit Changes – No more searching for a chuck key—just hand-tighten the sleeve for quick bit swaps, even when wearing gloves. The textured sleeve provides a non slip grip, making it effortless to secure bits between drilling, driving, and hammer-drill tasks. Rigorous Quality Checked Before Shipping – Each chuck is inspected for thread alignment, jaw movement, and overall assembly . Whether you’re replacing a worn chuck on your go to hammer drill or upgrading for better grip, this part delivers reliable, long lasting performance.

• Precision Fit for Drills – This 42-66-1006 keyless chuck is engineered as a direct replacement for models 2704-20, 2704-22, 2804-20, 2804-22, 2903-20, 2904-20, and other compatible drivers. It seamlessly replaces original parts 42-66-2706 and 42-66-2707, so you can get your tool back to peak performance without hunting for multiple components.
• Heavy-Duty 1/2" Carbide-Jawed Design , this chuck features hardened carbide jaws 1/16" to 1/2". The radial-lock mechanism ensures bits stay securely locked under high torque, reducing slippage and extending bit life compared to standard steel-jaw chucks.
• Precise 9/16"-18 Mount with Integrated Screw – Engineered with a 9/16"-18 internal thread and comes with the matching 05-88-0019 M8.0 x 1 left-hand threaded chuck screw (T-40 head). This combination ensures a wobble free, secure attachment to your drill’s spindle, eliminating play that can compromise drilling accuracy.
• Compact Yet Rugged Construction – With a base diameter of 1-11/16" and an overall length of just 2-1/8" (with jaws fully retracted), this chuck maintains a slim profile that fits tight spaces while still providing the durability needed for concrete, metal, and wood applications. The through-hole design allows for deeper bit insertion when extra reach is required.
• Simple Keyless Operation for Fast Bit Changes – No more searching for a chuck key—just hand-tighten the sleeve for quick bit swaps, even when wearing gloves. The textured sleeve provides a non slip grip, making it effortless to secure bits between drilling, driving, and hammer-drill tasks.
• Rigorous Quality Checked Before Shipping – Each chuck is inspected for thread alignment, jaw movement, and overall assembly . Whether you’re replacing a worn chuck on your go to hammer drill or upgrading for better grip, this part delivers reliable, long lasting performance.