BT30 ER11 80mm Mini Nut Dual Contact Collet Chuck Tool Holder

Item No.	BT30-ER11-80MD
Price:	$170.30
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 ER11 collets
Works on all BT30 machines with Dual Contact Spindles
Compatible with BIG-PLUS® spindles
Not threaded for internal stop screw
Tool holder has hole all the way through
Mini style collet nut is slimmer than standard collet nut
Collet nut is .640 dia. and uses wrench part number ER11M-WRENCH
Wrench is 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 80mm (3.15 inches)
Concentricity is less than .0001 at collet face
Rear thread for pull stud is m12 x 1.75
View BT30 Pull Studs
MariTool Part# is BT30-ER11-80MD

*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:	.020-.276 inches
Collet Nut:	ER11M
Collet Size:	ER 11
Concentricity:	< .0001 at Collet Face
Coolant Thru:	Yes
Finish:	Black Oxide
Gage Length:	80mm
Material:	Hardened Alloy Steel
Rear Thread:	M12 x 1.75
Taper:	BT30 DUAL CONTACT