Resources

Insights

Knowledge Center Blogs

Explore industry insights, expert tips, and trends in sheet metal and duct fabrication on our blog.

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Notices

Price Increase Notices

Stay informed on the latest vendor price adjustments. We post increase notices here as we receive them from our suppliers.

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Catalog

Line Cards

Download Conklin's product line cards by category — Sheet Metal, Machinery, HVAC, Mechanical Pipe Insulation, and JM Spiracoustic.

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Guides

Buyer Guides

Compare models, specs, and features to choose the right machine and equipment for your shop and your next job.

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Reference

ASTM-AISI Thickness Tolerance Ranges

Reference ASTM and AISI standard thickness tolerance ranges for sheet metal gauges used in duct fabrication and HVAC applications.

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Reference

Lockformer Machine Historical Serial Numbers

Identify your Lockformer machine's manufacture year using our serial number reference guide, compiled from historical manufacturer records spanning 1940–2006.

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Reference

Gauge Color Chart

Quickly identify coil and sheet metal gauges by their color coding.

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