13pcs ER20 Spring Collet Set/Wrench for CNC Engraving Machine

Key features

• Size Gripping Range :1mm，2mm，1/8"，4mm，5mm，1/4"，7mm，8mm，9mm，10mm，11mm，1/2"，13mm + 21mm wrench，30mm wrench
• Excellent Material High grade 1065 carbon steel, sturdy and durable.
• Production technologyHigh-frequency quenching treatment, good low temperature impact toughness and holding performance make the clamping more stable
• Premium Quality These spring collet sets are made of high quality spring steel. They are stable and practical in performance.
• ApplicationPerfect for boring, milling, drilling, tapping, grinding and engraving operation, CNC spindle machines, and other processing

Free shipping included. 30-day hassle-free returns.