10pcs ER16 ER20 Spring Collet Chuck Set 6.5mm 8mm 13mm for

Features:

Made of high-quality spring steel, durable and sturdy.

Has long service life and high working intensity.

Highly clamping force, wide clamping range, high accuracy.

Suitable for boring, milling, drilling, tapping, engraving, and other processing.

widely used on CNC milling lathe tool and workholding engraving machine.

Specifications:

Material: Spring steel

Model: ER16 amp; ER20

Quantity: 5pcs(ER16-6.5/ ER16-8/ ER20-6.5/ ER20-8/ ER20-13 each has one)/ 10pcs(ER16-6.5/ ER16-8/ ER20-6.5/ ER20-8/ ER20-13 each has two) for option

Inner diameter:

ER16-6.5 (inner diameter 6.5mm)

ER16-8 (inner diameter 8mm)

ER20-6.5 (inner diameter 6.5mm)

ER20-8 (inner diameter 8mm)

ER20-13 (inner diameter 13mm)

Outside Diameter: 17mm(ER16-6.5/ ER16-8); 21mm(ER20-6.5/ ER20-8/ ER20-13)

Height: 27.5mm(ER16-6.5/ ER16-8); 31.5mm(ER20-6.5/ ER20-8/ ER20-13)

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