Albrecht ER Micro-Chucks

These unique one-piece toolholders provide extra reach and support for your drills and endmills when using driven tooling.
Exceptional accuracy and rigidity for:

Integral ER body, super slim nose, and ultra-precision collets work in unison for optimized clearance and superior vibration dampening over shrink-fit holders.
Cutting tool life significantly extended.
Available in three popular ER configurations for compatibility with many brands of driven tools.
Ultra-precision accuracy – 3 microns (0.00012″) at 2.5 x diameter.
High-speed balanced to G2.5@40,000 rpm.
Collets are available from stock in both inch and metric sizes with a choice of precise coolant delivery options:

Standard – coolant is directed through the collet slots over the cutting tool
Sealed – coolant is directed through the center of the cutting tool (for cutting tools that have central coolant ports)

The Old Method

Simple, axial tightening of the collet keeps the tool on centerline and enables fast changeover.

Benefit from additional cutting tool support while maintaining excellent clearance in tight areas.

Integral ER body optimizes rigidity and vibration dampening.

Body Style	A	L1	D1	PART NUMBER	PRICE
				46022	$5,890
ER-20	1.10	1.10	0.53	74660	$545
ER-20	1.38	1.38	0.53	74662	$575
ER-25	0.98	0.47	0.53	74664	$557
ER-25	1.57	0.59	0.53	74666	$581
ER-25	1.97	0.79	0.53	74668	$593
ER-32	0.98	0.47	0.53	74670	$575
ER-32	1.57	0.59	0.53	74672	$593
ER-32	1.97	0.79	0.53	74674	$605

Diameter	Collet Type	PART NUMBER	PRICE
1⁄8″	Standard	74610	$178
3⁄16″	Standard	74611	$178
1⁄4″	Standard	74612	$178
1⁄8″	Sealed	74620	$213
3⁄16″	Sealed	74621	$213
1⁄4″	Sealed	74622	$213

Diameter	Collet Type	PART NUMBER	PRICE
1mm	Standard	74613	$328
2mm	Standard	74614	$197
3mm	Standard	74615	$171
4mm	Standard	74616	$171
5mm	Standard	74617	$171
6mm	Standard	74618	$171
1mm	Sealed	74623	$375
2mm	Sealed	74624	$245
3mm	Sealed	74625	$205
4mm	Sealed	74626	$205
5mm	Sealed	74627	$205
6mm	Sealed	74628	$205