SPI Ultra Short 6 Jaw & 8 Jaw Scroll Chucks - 70-270-4

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70-270-4
  • Especially suitable for small lathes, grinders, mills, turning and indexing fixtures or where low height, overhang and weight become critical.
  • High concentricity.
  • Ideal for holding fragile parts.
  • High spiral scroll for quick action jaw movement.
  • Knurled clamping ring for convenient hand operation.
Type J-F
Specifications J-F 55 6 Jaw 2" Dia. J-F 150 8 Jaw 6" Dia.
Outside Diameter    
Over Knurled Ring 2-1/4" 6"
Height Of Chuck 17/32" 1"
Max. Jaw Height 11/32" 45/64"
Center Hole 5/16" 5/8"
Bolt Circle 9/16" 1-3/32"
Clamping Capacity 13/32" - 1-7/8" 1 - 5-29/32"
Weight 1 Lb. 6 Lbs.
Chuck Without Jaws