Home » Mill Tool Holders » BT30 » ER Collet Chucks » BT30-ER25-60M
Shopping Cart
0 items
Quality Guaranteed
MariTool's product quality is guaranteed to meet or exceed your expectations.
Same Day Shipping
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
BT30 ER25 60mm Mini Nut Collet Chuck Tool Holder $131.75
BT30 ER25 60mm Mini Nut Collet Chuck Tool Holder
Click to enlarge

BT30 ER25 60mm Mini Nut Collet Chuck Tool Holder
Click to enlarge 		BT30 ER25 60mm Mini Nut Collet Chuck Tool Holder
Click to enlarge
BT30 ER25 60mm Mini Nut Collet Chuck Tool Holder
Click to enlarge
Item No. BT30-ER25-60M
Price: $131.75
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

  • Collet Chuck accepts all ER25 collets
  • Works on all BT 30 machines
  • Threaded for stop screw type 2 (not included)
  • All critical tool holder surfaces precision ground
  • Made from hardened alloy steel
  • Balanced to G2.5 at 20,000 rpms
  • Gage length is 60mm (2.3 inches)
  • Concentricity is less than .0001 at collet face
  • Collet nut is included
  • Mini Collet Nut is slimmer than standard collet nut
  • ER25 Mini Nut has an id thread of 30mm X 1.0 pitch. Outside diameter is 1.377 inches (35mm)
  • Must use ER25M collet wrench
  • Coolant thru capability
  • Rear thread for pull stud is m12 x 1.75
  • View BT30 Pull Studs
  • MariTool Part# is BT30-ER25-60M
Product Specifications
Balance Spec:  G2.5 @ 20,000 rpms
Collet Grip Range:  .024-.6875 inches
Collet Size:  ER25M
Concentricity:  < .0001 at Collet Face
Coolant Thru:  Yes
Finish:  Black Oxide
Gage Length:  60mm
Material:  Hardened Alloy Steel
Rear Thread:  M12 x 1.75
Taper:  BT30