Description13pcs 1-13mm ER20 CNC Carving Machine Milling Chuck Collets
SpecificationsMaterial: HSS
Accuracy: 0.008mm
Hardness: 45-48
Taper: Standard taper
Model Range (mm) ER20-1 0-1.0 ER20-2 1.0-2.0 ER20-3 2.0-3.0 ER20-4 3.0-4.0 ER20-5 4.0-5.0 ER20-6 5.0-6.0 ER20-7 6.0-7.0 ER20-8 7.0-8.0 ER20-9 8.0-9.0 ER20-10 9.0-10 ER20-11 10-11 ER20-12 11-12 ER20-13 12-13 Features Those ER20 collets are extensively applied to drilling， boring， milling， tapping， carving， CNC router lathe， etc. With high precision and strong holding force. 13 sizes a set can fulfill your requirements. Package included1 x ER20-1 to 13 Milling Chuck Collet