Straight Hollow Spacer Sleeve

RC-SB-001

Description

Hollow seamless cylindrical metal tube with smooth straight inner and outer surface, no internal thread, uniform wall thickness for spacing, positioning and lining assembly. Custom inner diameter, outer diameter and overall length available to meet various assembly clearance requirements.

Manufacturing Process

Tube cutting → double-end deburring → straightening & sizing → surface cleaning → full dimensional inspection

Material

Carbon steel / Stainless steel (SS304, SS316) / Aluminum alloy

Surface Treatment

Black oxide / blue-white zinc plating / nickel plating / stainless steel passivation / aluminum natural anodizing

Features

High concentricity seamless structure, smooth inner bore to reduce shaft friction, stable load bearing capacity, fully customizable dimensions, compact lightweight tubular design for narrow installation spaces

Application

Mechanical equipment assembly, electrical cabinet spacing sleeves, motor shaft liners, automotive chassis positioning parts, electronic PCB standoffs, furniture frame spacing components

Drawing