For the new and improved Jacobs Super Chuck that includes the service kit number on the chuck noseKit includes jaws, nut, caged bearing, and thrust washer

For the new and improved Jacobs Super Chuck that includes the service kit number on the chuck noseKit includes jaws, nut, caged bearing, and thrust washer

For the new and improved Jacobs Super Chuck that includes the service kit number on the chuck noseKit includes jaws, nut, caged bearing, and thrust washer

Nickel thumb grip style increases leverage and user comfortSoft steel handles limit the potential for dangerous fracturing under excessive loadSelf-ejecting models with spring-loaded ejectors ensure key disengagement after tighteningNever apply...

Nickel thumb grip style increases leverage and user comfortSoft steel handles limit the potential for dangerous fracturing under excessive loadSelf-ejecting models with spring-loaded ejectors ensure key disengagement after tighteningNever apply...

Nickel thumb grip style increases leverage and user comfortSoft steel handles limit the potential for dangerous fracturing under excessive loadSelf-ejecting models with spring-loaded ejectors ensure key disengagement after tighteningNever apply...

Through-hardened jawsDurable gripping surfacesFor corded or cordless reversible or non-reversible power drills

Through-hardened jawsDurable gripping surfacesFor corded or cordless reversible or non-reversible power drills

Ball bearing construction maximizes gripping force and drilling accuracyJaws center-ground for straightness and alignmentOne-piece sleeve eliminates crack between driving teeth often found in other designsThrough-hardened sleeve teeth plus hardened nose...

1-piece fluted sleeve constructionBall trust bearing reduces friction in chuck closing mechansimThrough-hardened sleeve teeth, nose, and keyholes for wear resistanceMaximizes gripping force and drilling accuracyTreated to ensure thread life and high...

1-piece fluted sleeve constructionBall trust bearing reduces friction in chuck closing mechansimThrough-hardened sleeve teeth, nose, and keyholes for wear resistanceMaximizes gripping force and drilling accuracyTreated to ensure thread life and high...

Ball bearing construction maximizes gripping force and drilling accuracyJaws center-ground for straightness and alignmentOne-piece sleeve eliminates crack between driving teeth often found in other designsThrough-hardened sleeve teeth plus hardened nose...