Jacobs® 30227

Jacobs® Drill Chuck, Super, Series: 16N, 1/8 to 5/8 in Capacity, Key Number: K4, Ball Bearing, 4.31 in Closed Length, 3.26 in Open Length, #3 JT Mounting, 2.63 in OD

• Type Super
• Series 16N
• Capacity 1/8 to 5/8 in
• Key Number K4
• Bearing Type Ball
• Closed Length 4.31 in
• Open Length 3.26 in
• Mounting Type #3 JT
• Outside Diameter 2.63 in

• Jaws center-ground for absolute straightness and alignment
• Through-hardened sleeve teeth, plus hardened nose and keyholes provide outstanding wear resistance
• Steel chuck
• Each chuck 100% inspected for performance and precision
• One-piece sleeve eliminates crack between driving teeth often found in other designs
• Fluted sleeve standard
• T.I.R. 0.003 in maximum at half capacity
• Designed to work with a wide range of production drilling equipment, jig borers, milling machines, lathes and radials, this chuck is engineered for heavy duty, close tolerance production drilling
• Ball bearing construction maximizes gripping force and drilling accuracy
• Ball thrust bearings reduce friction and increase grip torque and overall performance