163-21 Craftsman Sander Polisher - Overview

Diagrams for 163-21

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Unit Parts

Parts for the 163-21

Bearing

Part #990133-001

Spring Washer

Part #620789-003

Thread-forming Screw, 8-pack

Part #STD610805

Nut 8Pk

Part #STD541408

This is an authentic Craftsman replacement part, sourced from the original manufacturer for use with power tools. The special nuts are used with several different types of tools and the application of the nuts can vary based on the type of equipment. The nuts are sold in packs of eight and the packs are sold individually.