BT30 ER20 110mm Tapered Nose Mini Nut Collet Chuck Tool Holder

Item No.	BT30-ER20-110MT
Price:	$137.95
Shipping:	In Stock - Ships Same Day *
Quantity:
* Same Day Shipping is only available on orders placed Monday - Friday before 4 P.M. Central Time.

Collet Chuck accepts all ER20 collets
Works on all BT 30 machines
Threaded for stop screw type 1 (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 110mm (4.33 inches)
Concentricity is less than .0001 at collet face
Collet nut is included
Mini Collet Nut is slimmer than standard collet nut
ER20 Mini Nut has an id thread of 24mm X 1.0 pitch. Outside diameter is 1.102 inches (28mm)
Must use ER20M collet wrench
Rear thread for pull stud is m12 x 1.75
View BT30 Pull Studs
MariTool Part# is BT30-ER20-110MT