The 1121M is a brass thread enlarger designed for use with PG threads, featuring an outside PG 11.0 thread and a length of 6.5mm, as well as an inside PG 21 thread with a length of 10mm. It is part of a specialized product line focused on railway engineering, providing protection and safety for signaling systems, couplings, trucks, gangways, roofs, and other components. The 1121M is suitable for various applications requiring precise thread enlargement and secure fittings in demanding environments.
The above description is based on our office/warehouse notes. Some data may be inaccurate - refer to your part number.

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