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PB Medium Duty Keyed -1 Series 1/4in (6.5mm) Chuck

Model Name: 1A 1A B10 1B 3/8 1BA 5/16

Plain Bearing Design, Wide Applications- Drill press, Wood lathes, Portable Drills

1/4in (6.5mm) Capacity, JACOBS K1 Key.

  • Medium Duty Design. Standard Size.

  • Jaws Center-Grind For Straightness And Alignment.

  • Through-hardened Sleeve Teeth, Plus Hardened Nose And Keyholes Provide Outstanding Wear Resistance.

  • Each Chuck 100% Inspected For Performance And Precision.

  • Chuck Capacity   : 0.04"-0.25" (1-6.5mm)

  • Key Type             : JACOBS K1

  • Mount Size: Thread Or Taper

  • T.I.R. 0.004" Maximum At Half Capacity.

Model PN(C&K) PN(Chuck) Mount L (in/mm) Dia (in/mm) Package
1A JCM6206 - 1JT 1.57"/39.9mm 1.18"/29.9mm Boxed
1A B10 N/A N/A B10 1.57"/39.9mm 1.18"/29.9mm N/A
1B 3/8 JCM6208 - 3/8-24 UNF 1.57"/39.9mm 1.18"/29.9mm Boxed
1BA 5/16 N/A N/A 5/16-24 UNF 1.57"/39.9mm 1.18"/29.9mm N/A

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