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Insulator Pin Spindle
The insulator pin spindle is an important part of the glass pin insulator, it can decides the mechanical strength of the glass pin insulator.
Description
Description:
The low voltage Insulator pin spindle is forged in one piece from basic open hearth steel and provided with a square wrenching shoulder. These insulator spindle have a 1 inch ANSI standard cast lead thread and comes complete with a 2x2x1/8 square washer, square nut, and MF lock nut.
The high voltage insulator pin spindle comes into two piece open-heart steel. The stud bolt shank is deeply screwed and welded to the forged base of the pin arm. The insulator spindle have a 1-3/8 inch ANSI cast lead threads.

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