The GB series ground block retracts offer a cost advantage over machined backups ground blocks for MIG and arc welding applications. Weld consistency is improved by producing a consistent ground even after significant electrode wear. The GB units are electrically insulated and feature lube-free design, double seals, and chrome-plated shafts. Optional copper adapter with a knurled or smooth swivel tip.<br />
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The pneumatically actuated GB3 is available in four retract stroke lengths ...This story is related to the following:Welding Equipment and SuppliesSearch for suppliers of: Welding Accessories & Supplies