Explore New Videos on Instagram #sharstoolco

5" D1-6 Threaded Black Plate for ER40 Zero Set Adjustment Collet Chuck

Out of Stock

Shipping UPS Ground



More Information
Mfg SKU #202-7715
Lathe Chuck CategoryBack Plates Camlock Mounting
BrandShars Tool
back plate diameter5.00
Spindle Nose TypeD Series
no. of studs6
stud diameter7/8
compatible chuck diameter5


  • Bolt circle diameter: 4.25"
  • Adapter boss diameter: 2.26"
  • Adapter boss height: 0.53"
  • 3 Mounting holes is already drill and tapped on the back plate to match the 5" ER40 zero set adjustment collet chuck.  A light skim cut is required on the adapter boss OD and the face of the adapter's contact area.  The clearance between adapter boss OD and the chuck counterbore ID should be from 0.0078" to 0.0129".  The adapter boss nose should not be in contact with the bottom of the chuck counterbore.  The gap between the adapter boss and the bottom of the counterbore should be around 0.0787".