Drill chuck lathe milling machine drilling machine instead of self-locking chuck

Specifications:

Item: B16-ER11

motor shaft collet

Instead of the motor shaft drill clamp connection 5-10 times higher precision,

using overall bearing steel quenching precision grinding

Type: motor shaft collet
Type: outside hexagonal nut 34 mm maximum overall diameter
Length: Handle body length 50mm, total length containing nuts 58mm
Shaft hole: 8mm (+0.02mm) the need to install heating expansion
Material: Special quality steel,high hardness.
Usage: The motor shaft extension rod sleeve on the motor shaft, and both sides of the screw is tightened.

Options size:

B16-ER16,

B16-ER20,

B16-ER25,

B16-ER32