1)We offer top quality portable threading machine, and 2"-6" threading machinery, we used to be exclusive agent for a Spanish plumging expert manufacturer, buy plumbing tools and machinery for them. 2)The portable threading machine is similar to Rotherberger's . Accessories are optional, we have HSS dies and ordinary dies also. BSPT  NPT  Spec.   70004 80131  1/4"-11/4"  13 70005  80133  1/4"-2"  14

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