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ER11 Collets - Metric

Metric ER11 Collets

Code Nominal
Size
Clamping
Range (mm)
050-110-11010 1.0mm 0.5-1.0
050-110-11015 1.5mm 1.0-1.5
050-110-11020 2.0mm 1.5-2.0
050-110-11025 2.5mm 2.0-2.5
050-110-11030 3.0mm 2.5-3.0
050-110-11035 3.5mm 3.0-3.5
050-110-11040 4.0mm 3.5-4.0
050-110-11045 4.5mm 4.0-4.5
050-110-11050 5.0mm 4.5-5.0
050-110-11055 5.5mm 5.0-5.5
050-110-11060 6.0mm 5.5-6.0
050-110-11070 7.0mm 6.0-7.0

Why you should use ER Collets

Unlike R8, 5C and Morse Taper collets, ER collets are slotted alternately from both ends and therefore compress onto the cutter along the whole length of the collet when tightened. This not only provides a better grip on the cutter shank but also allows some variation (typically 1mm) in shank sizes that may be used in a single collet (the ‘Clamping Range’). The smaller size collets are best used to hold cutters no more than 0.5mm below the nominal size.

Fitting and releasing an ER collet

How you should use ER Collets

Inspecting the inside of our ER collet nuts reveals an internal flange that has been machined eccentric to the main axis of the nut. This is not a machining error but is designed that way to lock onto the groove of the collet and aid its release from the chuck body.

For this feature to work properly, the collet must be mounted in the nut first before fitting the assembly into the chuck body. To mount the collet in the nut, insert it on an angle, turn slightly and push it into the nut until it clicks into place on the eccentric flange. The cutter may now be fitted and the assembly tightened hard into the chuck body.

To remove the cutter, slacken and undo the nut until resistance is felt. Then, using a collet wrench, further undo the nut until the collet is released from the chuck body. Removal of the collet from the nut is the reverse of the mounting procedure.

050-110-11010 ER11 Collet 1mm RRP: £5.57 Inc.VAT
£3.92 Excl.VAT
£4.70 Inc.VAT
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050-110-11015 ER11 Collet 1.5mm £4.84 Excl.VAT
£5.81 Inc.VAT
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050-110-11020 ER11 Collet 2mm RRP: £5.57 Inc.VAT
£3.92 Excl.VAT
£4.70 Inc.VAT
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050-110-11025 ER11 Collet 2.5mm £4.84 Excl.VAT
£5.81 Inc.VAT
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050-110-11030 ER11 Collet 3mm RRP: £5.57 Inc.VAT
£3.92 Excl.VAT
£4.70 Inc.VAT
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050-110-11035 ER11 Collet 3.5mm £4.84 Excl.VAT
£5.81 Inc.VAT
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050-110-11040 ER11 Collet 4mm RRP: £5.57 Inc.VAT
£3.92 Excl.VAT
£4.70 Inc.VAT
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050-110-11045 ER11 Collet 4.5mm £4.84 Excl.VAT
£5.81 Inc.VAT
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050-110-11050 ER11 Collet 5mm RRP: £5.57 Inc.VAT
£3.92 Excl.VAT
£4.70 Inc.VAT
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050-110-11055 ER11 Collet 5.5mm £4.84 Excl.VAT
£5.81 Inc.VAT
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050-110-11060 ER11 Collet 6mm RRP: £5.57 Inc.VAT
£3.92 Excl.VAT
£4.70 Inc.VAT
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050-110-11070 ER11 Collet 7mm RRP: £5.57 Inc.VAT
£3.92 Excl.VAT
£4.70 Inc.VAT
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050-110-11080 ER11 12pc Collet Set - Metric RRP: £60.25 Inc.VAT
£44.30 Excl.VAT
£53.16 Inc.VAT
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