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SPECIALITY CASTING DIVISION
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Lead Counter Weights: for Ballast, for Testing, for your application...
1-800-381-5335
7/30/2010


Our most economical lead ballast weights are approximately 40 lbs each, and are always in inventory, ready to ship. For your custom application, we sell lead bricks, blocks and shot bags in a variety of sizes and shapes.  Mars Metal designs cost effective solutions for your hoist, crane and bridge weight needs. Whether we lead-fill your own boxes or fabricate the whole package for you, we can find a counterweight solution to suit your budget.  Counterweights
The major portion of our business is lowering the center of gravity in lift equipment and sailboats. For sailboats, we custom design and cast a counterweight called a keel to keep them upright under loading from the wind. For the heavy equipment industry, we design and fabricate counterweights that keep lifting equipment upright when loaded. These two businesses share remarkable similarities, though the in-service use of these products is very different. We believe that the crossing over of the technologies we use benefits all of our customers.

Could you benefit from the Lead Solution?

What if you could extend your unit's lifting capacity or reach specifications?
What if you could reduce the size of the weight?
What if you could reengineer the heavier frames and other costly design compromises?
What if you could shorten the wheel base to provide improved turning radius and reduced rear end swing?

Are these factors worth examining more closely in your operations?

We develop strategies with our customers in order to provide counterweights that exactly address their needs. This includes tight weight tolerances, rigid adherence to specifications, and a final finish that reflects close attention to detail. We strive to satisfy our customer's design teams, manufacturing groups, cost accountants, and marketing departments. Our standard portable weight for elevator testing is an easily-maneuverable two-wheeled cart weighing 500 lbs, and is smaller than an equal weight all-steel cart.   We can design, engineer, fabricate and lead-fill a wide variety of forklift weights, depending on your specific application, or simply lead-fill your own boxes.  Contact us today for more information about:
  • Ballast Lead
  • Bridge Weights
  • Elevator Weight
  • Forklift Weight
  • Lead Weights
  • Window Weight
  • test weights
  • lead weights
  • window weights
  • counterweight
  • counterweights
Test Weights
Our standard test units consist of a two wheeled cart with a lead filled box (approximately 12" square) or an open top box with individual plates that can be easily removed. Each 500-lb cart is mounted to an independent axle with rubber wheels for easy maneuverability. Painted matte black with the capacity stamped onto box, all carts are designed to nest for space savings.

In addition to providing standard weights, Mars Metal engineers, designs and custom builds test weights for any application, from aerospace structural design and elevator testing to bridge, crane and forklift counterweight boxes. We look forward to the opportunity to design the simplest, most cost effective lead weight solution for your testing needs.


For 25 years, Mars Metal has taken the lead by providing dynamic solutions for many diverse industries. Crafted with precision and care, Mars Metal is the lead source.




Our diverse production facility has the capability to produce precision lead castings from less than 1lb. to over 250,000 lbs. in single continuous pours. No job is too small or too large for us to handle.  We develop strategies, with our customers in order to provide counter weights for windows and other applications that exactly address their needs. This includes tight weight tolerances, rigid adherence to specifications, and a final finish that reflects close attention to detail.  

Window Weights
Mars Metal provides a wide range of cast or extruded lead window weights, designed to facilitate the balancing of window sashes. Window Weights are available in round, square or rectangular sections in various lengths with or without center holes. Weights for windows can be stacked to provide more or less weight until the precise balanced point is achieved. Lead counterweights, unlike steel weights, can be easily cut on site if required and off-cuts can be reused for other weights. Custom sizes are available: please contact us for pricing information.

Lead window weights are becoming the choice by many contractors over steel cast weights due to the space savings obtained, as they are approximately 30% smaller than weights made of steel.

Mars Metal manufactures custom and production test weights for material handling, elevator, aerospace, window, bridge, ballast and many other applications. We produce weights for tests from .5 lb to 250,000 lbs in small and large quantities, fully encapsulated or straight cast, in custom modular, stackable, individual units or standard portable sets.  Our diverse production facility has the capability to produce precision lead castings from less than 1lb. to over 250,000 lbs. in single continuous pours. No job is too small or too large for us to handle.  

If you have any questions about our products or services please call us toll-free at 1-800-381-5335 or use our request form. We at Mars Metal Company are constantly striving to improve our customer service. We will make sure that we deliver the information that you are requesting in the most expedient method available.


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1-800-381-5335
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