BT30 ER25 60mm Mini Nut Dual Contact Collet Chuck Holder

Item No.	BT30-ER25-60MD
Price:	$172.25
Shipping:	In Stock - Ships Same Day *
Quantity:
* Same Day Shipping is only available on orders placed Monday - Friday before 4 P.M. Central Time.

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Collet Chuck accepts all ER25 collets
Works on all BT 30 machines with Dual Contact Spindles
Compatible with BIG-PLUS® spindles
Threaded for stop screw type 2 (not included)
All critical tool holder surfaces precision ground
Made from alloy steel hardened to 54 - 56rc
Balanced to G2.5 at 20,000 rpms
Gage length is 60mm (2.36 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-ER25-60MD

*BIG-PLUS® is a trademark of Daishowa Seiki Kabushiki Kaisha; Big Daishowa Seiki Co., Ltd., Corp.
Compatible with BIG-PLUS® spindles, but not licensed.

Balance Spec:	G2.5 @ 20,000 rpms
Collet Grip Range:	.024-.6875 inches
Collet Nut:	ER25M
Collet Size:	ER 25
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 DUAL CONTACT