Home » Collets » ER Coolant Jet Collets » ER40 Coolant Jet Collets » .787-ER40CJ-20mm
MariTool's product quality is guaranteed to meet or exceed your expectations.
We ship worldwide
Same day shipping via UPS is available for in-stock items ordered Monday through Friday before 4:00pm CDT (excluding holidays and USPS orders).
Click here for details
MariTool Payment Options
ER40 COOLANT JET COLLET 20mm $42.50
ER40 COOLANT JET COLLET 20mm
Click to enlarge


ER40 COOLANT JET COLLET 20mm
Click to enlarge
ER40 COOLANT JET COLLET 20mm
Click to enlarge
ER40 COOLANT JET COLLET 20mm
Click to enlarge
Item No. .787-ER40CJ-20mm
Price: $42.50
Shipping: In Stock - Ships Same Day *
Quantity: 

* Same Day Shipping is only available on orders placed Monday - Friday before 4 P.M. Central Time.

Product Info

View complete catalog page

  • Total runout less than .0003 on these precise ER40 collets
  • Made from Alloy spring steel and fully hardened
  • All critical collet surfaces are precision ground
  • Works with coolant thru spindle tooling or collets chucks with internal coolant supply
  • Collet seals coolant from within tool holder and routes it thru holes around perimeter, see picture
  • Works in all ER40 Collet Chucks
  • This ER40 collet has a full .015 range of collapse while maintaining full accuracy
  • This ER40 collet has a range of .7874-.7724 inches
  • MariTool Part# is .787-ER40CJ-20mm

Product Specifications
Collet Grip Range:  .7874-.7724
Size:  20mm