Every accurate weldment starts with a flat, square reference. The ArcFlat is a modular welding, fabrication, and fixture table made from nodular cast iron, with all five surfaces CNC machined and a top held to ±0.0075" flatness. Its 2" x 2" hole pattern accepts standard 5/8" and 16mm clamps, and each 36" x 24" block supports 1,000 lbs. static. ArcFlat blocks bolt together, so your table grows with your shop.
Use the interactive Product Configurator to choose from 18 different layouts to find the ideal layout that fits your fabrication space and workflow, or build your own combination for your workshop.
The ARCFLAT cast iron modular fixture table features surfaces machined flat to ±0.0075” and square to 0.1 degrees.
ARCFLAT provides fast and easy clamping anywhere on the top and sides of the table. Use Langmuir Systems Modular clamps or third-party 5/8" or 16mm clamps and tooling.
ARCFLAT ships via standard ground direct to your door. There's no welding, no warping, and no wasted time compared to flat plate weld-it-yourself tab and slot tables.
Machined from a thick block of nodular cast iron, the ARCFLAT is durable, thermally stable, and dent resistant.
Every ArcFlat accessory is built for precise, repeatable fixturing so you can square it once and weld it right - every time.
Machined steel, black oxide finishes, and modular compatibility mean your tooling won't just fit - it'll hold up for the long haul.
Arcflat blocks can bolted together to create any size or shape table. Use the standard size in your garage or create any combination of larger tables.
A collection of pins, clamps, and blocks to get you started including:
Everything included in the ESSENTIAL STARTER KIT plus:
A 24" x 36" modular cast iron weld fixture table, machined on 5 sides for superior flatness, with 336 fixture holes, and a thickness of 3/8" on the top for incredible strength and rigidity.
Clamps
Layout Pins
Layout Blocks
Hardware
Angle Squares
Modular Angles
Straight Stops
$775
+ Ground shipping per block to contiguous USA and Canada only.
Nodular Cast Iron
36" length x 24" width x 4" height
145 lb
1000 lb
Topside 3/8", Sidewall 5/16"
±0.0075"
±0.1 degrees
0.630" +0.010" -0.005"
2" x 2" grid
Stop outsourcing your cutting needs and put a production capable machine in your shop at a fraction of the price.
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ArcFlat ships via Standard Ground via UPS. Weld blocks do not require Freight Service. If you are purchasing a large quantity of ArcFlat Blocks, please reach out to Support for Freight Shipping options.
No. Due to the weight of the ArcFlat, we only ship to contiguous United States.
No. The ArcFlat is machined from a solid block of cast iron and no assembly is required.
The Leg Kit we offer is an entry level option that includes four 3"x3" steel tube legs with basic level feet and hardware. We understand that some customers will likely desire to customize features of the support structure which is why we sell the ArcFlat Weld block seperately. We have provided the ArcFlat bolt pattern in the Specification above to help you build your own custom support structure.
Click here to learn more about typical cosmetic defects you may encounter.
The ArcFlat fixture holes are machined to 0.630" ±0.005". Check with the manufacturer of your third-party clamps and tooling to ensure that these products are compatible.
Weld blocks can be joined with standard 1/2" bolts; however, the ±0.0075” flatness rating can only be maintained across the entire surface of two adjoining weld blocks using the Precision Bolt Kit. Learn more about the ArcFlat Precision Bolt Kit here.One precision bolt kit is required for each joint.
Please see our Warranty, Refund, and Return Policy for full details on warranties, returns, and refunds.
All products sold directly by Langmuir Systems are eligible for return and refund. The terms of the return and refund policy are listed below:
Please reach out to [email protected]