Extension Bolt (Use for Inside Clamp)

[Features]
· With diaphragm type clamp mechanism, 8 jaws securely clamp the workpiece, supporting a variety of irregular shaped workpieces.
· 0.3 mm clamp stroke available.
· Suitable for lost wax, diecast, extruded material, drawn material, and previously machined workpieces.
· By tightening cam shaft the expansion bolt is pulled inside.
· Mouth ring simultaneously from the center widens in 8 directions, and clamps internal shape of workpiece.