Feature

●Use the high carbon bearing steel,heat treatedrigidity is HRC48°-50°
●The surfaco roughness is below RZ2.5,has two classes products.
●The inner bore processing by high precisiong rinding according to DINstandard.
●Use for clamping screw tap,drill,milling cutter,reamer and so on.
●Having tension and compression function,brilliant and changeable.


Description

15PCS ER11 Precision Spring Collet Set for CNC Engraving Milling Lathe Chuck Tool, 1.0mm-7.0mm & 14 18
Package Includes:
1mm, 1.5mm ,2mm, 2.5mm , 3mm , 3.5mm , 4mm , 4.5mm , 5mm , 5.5mm, 6mm, 6.5mm , 7mm,1/4mm,1/8mm