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uxcell R8 Collet, 20mm Metric Mill Chuck Holder 65Mn Spring Steel 7/16-20UNF Thread
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Special Features
Size: 20mm (0.79"); Internally Threaded: 7/16-20UNF
Accuracy: 0.013mm (0.0005")
Made of 65Mn Spring Steel; Hardened to 55HRC
Precision Ground to close tolerance
Hardened and ground throughout
Description
1.Precision ground to close tolerance
2.Hardened and ground throughout
3.Suitable for all kinds of milling machine spindle taper hole for the R8
4.It used for clamping tools,change the taper hole of spindle,It is easy to use,to enlarge the use range of machine tool
Specifications:
Clamping Diameter: 20mm / 0.79-inch
Drawbar Thread: 7/16-20UNF
Material: 65Mn Spring Steel
Hardness: HRC 55
Accuracy: 0.0005-inch (0.013mm)
Total Length: 103.5mm / 4.07-inch
Top Diameter: 32mm / 1.26-inch
Bottom Diameter: 24.1mm / 0.95-inch
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