ER16 Collet 5/16 Inch 

ER16 Collet 5/16 Specifications:

Fractional Size: 5/16″

Collapsing Range: 0.312 +0.000 / -0.039″ (Tool Shank Size: 0.273 to 0.312″)

Collet Type: ER16 Collet- Spring Style, DIN 6499/B

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

Manufacturer: Made in Italy.

Recommended Torque Tools Under 2mm: 30 ft/lbs for Slotted Nut

Recommended Torque Tools Over 2mm: 42 ft/lbs for Slotted Nut

Run Out: Precision ground surfaces for accurate fit and low run-out. 0.0003″ 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 ER16 toolholders. Equivalent to IMS part number IER16-516

Dimensions: D = .65″ (17 mm)     d = 5/16″     L = 1.06″ (27.5 mm)

We are a distributor for IMS products.

Equivalent to IMS product part number IER16-516 or A0443. IMS recently switched to a new part numbering system and the “A” number is the current part number.

The broadness of IMS collets selection allows you to interface and use a collet chuck with a wide range of tools. Thanks to the different degrees of precision and to the optional anti-rust treatments, the IMS collets line satisfies every request and is suitable for any routing and milling application.

IMS Collet Catalog: link

Best Selling HSK 63F toolholder: link

Torque Wrench: mini style       slotted nut