1.Products name:R8 taper collet chuck
2.Material: 40Cr
3.Hardness: HRC48-52
4.Accuracy: 0.005mm
5.Package: Plastic box
6.Type: R8xER11 R8xER16 R8xER20 R8xER25 R8xER32 R8xER40
7.Mini order quantity:10pcs
8.Package:Plastic box
9.Brand:HT-TOOLS