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Our Pittsburgh Lock Forming Machines aka "HVAC Lockformers" are the leaders in the HVAC industry. With an all steel construction made for maximum rigidity. These machines specialize in square ducting pipes. They are lightweight and simple to adjust; reliable when operating, and suitable for spot processing. High quality pittsburgh machines are ready to ship out from Ontario California.

If you're looking for the best Pittsburgh Sheet Metal Machine without having to compromise on quality, then look no further. 

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Let us handle your bending jobs with our Sheet Metal Bending Brakes.

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Our metal bending brakes aka hand brakes with bending leaf aprons are constructed of steel and heavy tie rods for minimum deflection. Our metal bending brakes are perfect for bending 14 Gauge mild steel. These metal bending brakes are robust, precise, and built to last. It will suit any machine shop looking to add a reliable and heavy duty straight sheet metal brake in any industry.

If you're in the HVAC, roofing, automotive, or food truck industries and looking for the best metal bending brake money can buy, then look no further and call us to request a quote today. 
For more information on any of our Metal Bending Brakes, please contact our sales department today. 


We provide service to local customers in Southern California.


Parts are fairly available for purchase and can ship within the same day.


Training for CNC controllers and machinery is available by Appt.

tech support

Phone tech support is FREE and available for new and existing customers.

GMC Machine Tools offers free shipping to the lower 48 States

free shipping!

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Questions? Please Call 909-947-7787

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The Pittsburgh Machines you need at a price you can afford