ER20 Spring Collet

Specifications:

Size: 1/2″

Collapsing Range: 0.500 +0.000 / -0.039″ (Tool Shank Size: 0.461 to 0.500″)

Collet Type: ER20 Spring Collet

Material: Through hardened alloy spring steel. Precision ground surfaces.

Manufacturer: Made  in Italy.

Recommended Torque Tools Under 2mm: 24 ft/lbs for Slotted Nut

Recommended Torque Tools Over 2mm: 59 ft/lbs for Slotted Nut

Run Out: Precision ground surfaces for accurate fit and low run-out. 0.0002″ T.I.R. Suitable for wood and metal working.

Maintenance: Protect from rust with rust preventative spray. Remove preventative before placing into service. Use correct concentration of coolant to prevent corrosion. Always check collets for scoring or wear. Replace if worn or damaged.

Compatibility: Can be used with all ER20 toolholders. Equivalent to IMS part number IER20-1/2

Dimensions: D = 0.81″ (21 mm)     d = 1/2″     L = 1.24″ (31.5 mm)