Auniwaig R8 Precision Round Collets 5/16" Mill Chuck Holder 65Mn Spring Steel 7/16-20UNF,R8 Precision Round Spring Collet–Taper Spindle R8 Collets for Mill Machine

Key features

• PAMAMETER-Clamping Diameter: 5/16";Drawbar Thread: 7/16-20UNF;Hardness: HRC 55; Accuracy: 0.0005-inch (0.013mm)
• ADVANTAGE- Large clamping force, wide glamping range, not aasy to wear, strong and durable. Surface grinding to ensure tolerance and accuracy, strong versatility and reliable
• HIGH QUALITY - Hardened and ground throughout Superior quality R8 Collets Set. Precision Thread Hole allows the collet to be quicky connected with pull rod. The silver color looks perfectly cool, also providing more conveniently function
• MATERIAL- Using high quality 65Mn alloy steel, hardened, long life and more durable. Precision ground to close tolerance;Positioning slot make the collets more quickly and convently to install
• APPLICATION-Applicable to all sorts of milling machines,which spindle taper hole is R8;It used for clamping tools,change the taper hole of spindle,It is easy to use,to enlarge the use range of machine tool

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