Jacobs® 30221D

Jacobs® Drill Chuck, Super, Series: 14N, 0.04 to 0.5 in, Key Number: K3, Ball Bearing, 3.88 in Closed Length, 2.97 in Open Length, #3 JT Mount, 2.44 in Outside Dia

• Type Super
• Series 14N
• Capacity 0.04 to 0.5 in
• Key Number K3
• Bearing Type Ball
• Closed Length 3.88 in
• Open Length 2.97 in
• Mounting Type #3 JT
• Outside Diameter 2.44 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
• The chuck jaws are center ground for absolute straightness and alignment