CNBTR 8mm CNC Spindle Motor ER11 Type A Extension Rod Collect Chucks Holder and 13pcs Spring Collet CNC Milling Lathe Tool Set for Workholding

Description

Specifications of ER11 Extension Rod: Material:40 chrome steel Color:Silver +Black Nut Type: Type A Rod Hole Dia:8mm Rod Diameter:16mm Brand name: CNBTR Size:40 x 19mm/1.57 x 0.75"(L x Dia) Weight: 100 g Specifications of Spring Collet: Gripping Range:1.5MM to 7MM MODEL:ER11 Length: 18mm Diameter: 11.5mm Weight: 105g Size:(1mm,1.5mm,2mm,2.5mm,3mm,3.5mm,4mm,4.5mm,5mm,5.5mm,6mm,6.5mm,7mm) Features: 1.The nuts of ER11 Extension Rod could be tighten straightly,high rigidity,strong clamping. 2.ER11 Extension Rod suitable for extension of the Tool holder CNC Mill, replace the drill clip. 3.Extension rod diameter, and other parts have been precision ground to eliminate unbalance and increase stability during cutting. 4.Spring Collet made of quality spring steel production, with good flexibility and abrasion resistance after heat treatment 5.Spring Collet made of high grade specially formulated spring steelhas ,has highly clamping force, wide clamping range, high accuracy. 6.Widely used in boring, milling, drilling, tapping, grinding, engraving and other processing Package Content: 13x Milling Lathe Collet; 1x ER11 Extension Rod