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5c Collet Square Hex 5C Collet Chuck For Lathe

Material: 65Mn

Hardness: clamping part HRC55-60 elastic part HRC40-45

This unit is applicable to all sorts of lathes, which spindle taper hole is 5C, such as automatic lathes, CNC lathes etc.

Accuracy: 0.015mm

Type: Round hole, Square hole, Hex hole,

Mini order quantity: 10pcs

Package: Paper box and plastic box

Brand: HT-TOOLS

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Product Details

Order No.	Type	Clamping range		Wt(kg)	Price
Order No.	Type	mm	ln	Wt(kg)	Price
5C-01-d	Round	1-28	1/32-1-1/8	0.24	$3.80
5C-02-S	Square	3-19	1/8-3/4	0.24	$10.00
5C-03-H	Hex	3-22	1/8-7/8	0.24	$10.00

Inspection of Accuracy

d		L	Run out
mm	in	mm	in	mm
1-1.6	1/32-1/16	6.35	0.0005	0.013
>1-1.6	>1/16-1/8	12.7
>3-10	>1/8-3/8	25.4
>10-16	>3/8-5/8	38.1
>16-20	>5/8-7/8	50.8

The main function of a 5C collet is to securely hold round workpieces or cutting tools with high precision during machining operations on machines such as lathes, milling machines, grinding machines, and CNC equipment.

A 5C collet provides:

Accurate centering of the workpiece, minimizing runout.
Strong, even clamping force around the entire circumference, reducing deformation.
Quick loading and unloading of parts, improving productivity.
Versatility, as different collet sizes can hold a wide range of diameters (typically up to about 1-1/8 in. or 28 mm for round stock, depending on the collet type).
Common applications
Holding bar stock in a lathe.
Gripping end mills, drills, or other tooling (with appropriate 5C collets).
Precision grinding and inspection.
Indexing workpieces using 5C spin indexers or fixtures.

The 5C collet is widely used because it offers an excellent balance of precision, repeatability, and fast workpiece changes, making it a standard workholding system in many machine shops.

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