ER32 Clamping Collet ER Nut 1. DIN6499 -D/E2. ER Nuts with 40Cr3. ER Nuts Precision below 0.005mm4. ER Nuts hardness HRC40 5. High Durability ER Nuts 6. For collet chuck and tool holder We TELI Tool factory mainly manufacture series of tool holders, inclduing theER Nuts, Collet, BT40 Collet Chucks, CNC live centers, tapping collets, keyless drill chucks , and so on . Packaging: Spanners with plastic bags Shipping:Within 5 days in stock, lots within 30 days Our advantages about this er spanners 1) Cost Control---Lower your cost in products purchase and insurance 2) Quick Respond---offers & solutions send within 48 hours 3) Fast Delievery---universal & interchangeable parts delivery within 30days 4) Genuine Products with Excellent Quality---Company has always proved the 100% quality products 5) After Sales Service and Technology Assistance--- Company provides after salesservice and technicalassistance as per customers requirement and need 6) ER Spanners sample is available Our Services I Fast reply II Favourable price III