TIG Welding Torch Back Cap , Long Short Back Cap for QQ150 QQ300 WP18 WP26 , TIG Torch Rear End Cap , Welding Torch Consumable Parts , Replacement TIG Torch Back Cap for Argon Arc Weld

Detailed Introduction

These TIG welding torch back caps are essential replacement consumable accessories for QQ150, QQ300, WP‑18 and WP‑26 argon arc welding torches. Both long‑type and short‑type versions are available to satisfy different tungsten electrode length assembly requirements.

The threaded core is made of high‑quality brass, which delivers stable thread connection, not easy to slip or strip during frequent disassembly. The outer shell adopts high‑performance

high‑temperature‑resistant engineering plastic, resisting heat radiation generated during long‑time TIG welding, anti‑aging and not easy to crack under high‑temperature working environment.

This back cap is used to lock and fix the tungsten electrode inside the torch body, keep the internal parts in place, and shield the inner components from spatter, dust and external impact. Quick screw‑on installation helps operators adjust and replace tungsten electrodes conveniently, greatly improving working efficiency.

Suitable for manual argon‑arc welding jobs in metal fabrication, workshop processing, site maintenance and manufacturing industries. Multiple color options are in stock. As wearable torch spare parts, they can effectively extend the service life of your TIG welding torch and lower equipment maintenance costs.