描述

Place of Origin: Mainland China

Classification: No step axis (no nut) with step (no nut) without shaft (no nut) without a step axis (with a nut) with a step (with a nut) without shaft (polishing model) and a step axis (no without a shaft) Narut) Paint

Decoration and construction content: Installation engineering

The nut is a self -locking tight nut.