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er-11 1/4 View of the back of the er-11 1/4 Measured length of the er-11 1/4 Bore dimension of the er-11 1/4 ER collet dimensions and specifications
er-11 1/4 View of the back of the er-11 1/4 Measured length of the er-11 1/4 Bore dimension of the er-11 1/4 ER collet dimensions and specifications
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ER-11 1/4"
$19.95
Introduction:

This is the part of the spindle that will hold and grip the end mill at the spinning part of the spindle. This is a collet for smaller spindles with the ER-11 specification. This collet will accept tools with a 1/4" (6.35mm) shank.

Description:

This collet has a high precision TIR (Total Indicated Runout) of 0.0002". The bore measures 1/4" .25 inch (6.35 mm) to hold end mills that have a 1/4" shank. The shank of an end mill is the smooth part of the end mill that is inserted into the collet of the end mill.

General dimensions for ER-11 collets:D (Outside Diameter): 0.453 inches (11.5062 mm)L (Overall Length): 0.709 inches (18.0086 mm)L1 (Front Tapered Length): 0.531 inches (13.4874 mm)L2 (Rear Tapered Length): 0.098 inches (2.4892 mm)

This Collet Bore Diameter (d): .25 inches (6.35 mm)

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