Manufacturer of Grain Bin Bolts, Springs and Wire Formings

Wallbank is a North American company with ISO/TS Registration providing bolts, springs and wire formings to Automotive, Agricultural and Industrial companies. We produce high quality custom bolts and springs, have flexible production runs and can operate on short lead times.

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Wallbank’s precision coil springs are high quality and always shipped on time. Our prototyping service provides a quick turnaround giving you the springs you want while saving you time and money.


We help our customers identify the appropriate plating option for our bolts and our stocking program ensures our bolts are always available. We can make custom bolts in various sizes depending on your need.

Wire Formings

Our advanced 3D capabilities enables us to manufacture extremely complex wire forms for our customers. Our wire forms can be made from a wide selection of materials including stainless steel, giving you more options.

What We Do

We manufacture and provide expertise to assist in the design of springs, bolts and wire formings that are high quality and always shipped on time

Torsion Springs

Bin Bolts

Compression Springs

Extension Springs

Oil Seal Springs

Wire Formings

"Bolts Unlimited consistently provides us with a high quality bin bolt product that is accompanied with excellent customer service and competitive pricing. They are one of our most reliable suppliers."

Todd McLeod, Fastenpro Industries

"We have awarded you this job due to your great engineering and prototype support."

Drivetrain Buyer, Automotive Tier 2 Company

"Great customer service, on time delivery, quick prototype turn around, and excellent pricing."

Purchaser, Automotive Tier 2 Company

Worm Wire

Learn How Our Spring Design Helped Save an Automotive Company $100K+