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 1/4″ These 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. Features Material: HSS Accuracy: 0.008mm Hardness: 45-48 Taper: Standard taper Email for Stock Availability and Quotation (E&OE)
