JT KEYLESS STANDARD PRECISION 4000RPM
JT Keyless Standard Precision 4000RPM
Our Jacobs Taper Standard Precision Keyless Drill Chucks come standard with 4,000 RPM Maximum with a +/- 0.005” – 0.006” Runout. All our Standard Precision Keyless Drill Chucks are Heat treated and precision Ground to a very tight tolerance. We offer 100% quality control on each Drill Chuck we send out and back up our guarantee with 100% customer satisfaction.