Jacobs Thread Mounted Plain Bearing Chucks

Jacobs Thread Mounted Plain Bearing Chucks

  • $328.40 USD


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Plain Bearing Chucks

The O.E.M. standard for accuracy and durability on all types of industrial power and machine tools

The Jacobs Plain Bearing Chuck is the world's most widely used for medium or heavy-duty portable, bench or floor mounted power tools. This industrial quality chuck, with fully hardened and ground working components, offers exceptionally high accuracy, gripping power and durability. Both heavy and medium duty models are available in a wide range of capacities for use on threaded mounts and taper mounted spindles

Features

  • Heavy and Medium Duty models for threaded or taper mounting.
  • Jaws center-ground for absolute straightness and alignment.
  • Jaws specially treated to ensure extended thread life and high gripping surface hardness.
  • One-piece sleeve eliminates crack between driving teeth often found in other designs.
  • Through-hardened sleeve teeth plus hardened nose and keyholes provide outstanding wear resistance.
  • Fluted sleeve standard.
  • Each chuck 100% inspected for performance and precision.

 

Thread Mounted Heavy Duty Models

Part # Model # Capacity Range Mount Thread
Jacobs
Key
No.
Minimum Maximum
in mm in mm
JAC.3B-5/8 3B 5/8 0.125 3 0.625 16 5/8-16 K3
JAC.7BA-3/8 7BA 3/8 0 (1) 0 0.250 6.5 3/8-24 K7
JAC.32BA-1/2 32BA 1/2 0 (1) 0 0.375 10 1/2-20 K32
               
JAC.35B-1/2 35B 1/2 0.156 4 0.625 16 1/2-20 K3
JAC.36B-3/4 36B 3/4 0.188 5 0.800 20.3 3/4-16 K4
JAC.36B-5/8 36B 5/8 0.188 5 0.800 20.3 5/8-16 K4
(1) Minimum capacity will hold a No.70 ( .028"/.711 mm) drill.



Thread Mounted Medium Duty Models
Part # Model # Capacity Range Mount Thread
Jacobs
Key
No.
Minimum Maximum
in mm in mm
JAC.0B-5/16 0B 5/16 0 (2) 0 0.156 4 5/16-24 K0
JAC.1B-3/8 1B 3/8 0 (1) 0 0.250 6.5 3/8-24 K1
JAC.2BA-3/8 2BA 3/8 0 (1) 0 0.375 10 3/8-24 K2
               
JAC.31BA-1/2 31BA 1/2 0 (1) 0 0.375 10 1/2-20 K30
JAC.31BA-3/8-S 31BA 3/8-S 0 (1) 0 0.375 10 3/8-24 K30
JAC.31BA-3/8-F 31BA 3/8-F 0 (1) 0 0.375 10 3/8-24 K30
               
JAC.33BA-1/2 33BA 1/2 0.08 2 0.500 13 1/2-20 K32
JAC.33BA-3/8 33BA 3/8 0.08 2 0.500 13 3/8-24 K32
JAC.33BA-5/8 33BA 5/8-16 0.08 2 0.500 13 5/8-16 K32
(1) Minimum capacity will hold a No.70 ( .028"/.711 mm) drill.
(2) Model 0B 5/16 has a minimum capacity of a No. 80 (.0135in/.344mm) drill

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