Stocked. Cut. Built to your print.

Fasteners for the
next generation of building.

Industrial and structural fasteners for construction, infrastructure, power generation, and heavy manufacturing — in stock, fully certified.

Tower crane and curtain-wall construction at dusk
In stockHeavy hex · A325 · B7
Cut to lengthStuds · rod · anchors
Full traceabilityMTRs · heat lots
24hr
Quote turnaround, every order.
28K+
Stock SKUs, ready to ship.
100%
Heat-and-lot traceable. MTRs on request.
USA
Same-day domestic shipping.
SpaceXChevronPG&ERocket LabEMCORPSC PrimorisBechtelKiewit
ASTM A574 socket head cap screw
Industrial Fasteners

Every grade,
every environment.

The full catalog of industrial fasteners — heavy hex bolts, socket head cap screws, flange bolts, and ASTM A193 bolting for pressure, piping, and heavy equipment.

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Structural Fasteners

A325, A490, TC bolts.
Engineered for the moment.

Steel-to-steel connections, beam-column joints, and critical structural applications across construction and infrastructure — in stock and ready to ship.

Learn moreView specs
A325 heavy hex structural bolt render
F1554 anchor rod assembly with heavy hex nuts and square plate washers
Anchor Bolts

F1554. Headed. Bent.
Built right.

From F1554 Grade 36 to A193 B7 and B8M — full assemblies with nuts, washers, and template plates. Large-diameter and non-standard lengths in stock.

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Stud bolt and threaded rod render
Stud Bolts & Threaded Rod

Cut to length.
Specified to print.

Double-end stud bolts for flanged connections and threaded rod in every grade, length, and finish — from ASTM B7 studs for petrochem to B8M stainless for offshore service.

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Lindapter · Authorized Distributor

Hollo-Bolt.
Structural steel,
fastened from one side.

The expansion bolt engineered for hollow structural sections and blind connections — where you can only reach one face of the steel. No welding, no through-holes, fully reversible.

Sizes
M8 – M20 · 5/16″ to 3/4″
Finishes
Zinc · HDG · 316SS
Access
One-side only
Approvals
ICC-ES · CE · LABC
View Lindapter catalog
Lindapter Hollo-Bolt · Hex · Countersunk · Flush-fit
Lindapter Hollo-Bolt hex, countersunk, and flush-fit expansion bolts
CNC Machining

Precision parts.
Built to your print.

In-house five-axis milling, live-tooling lathes, and full CMM inspection. From one prototype to thousands of parts — you're working directly with the manufacturer.

Explore CNC Machining
CNC lathe
Tolerance
±0.0005″
Lead time
3–5 days
Materials
Ti · Inconel · PEEK
Inspection
CMM + Laser

Industries we keep moving.

From data centers to substations, we show up with the parts that critical projects actually need.

01Construction
High-rise steel and data-center framing.
Structural fasteners for commercial, industrial, and institutional steel erection — from moment connections to large-scale facilities.
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02Power Generation
Gas, steam, and renewable generation.
High-temperature and high-pressure fasteners for gas turbines, steam systems, and renewable installations.
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03Infrastructure
Bridges, rail, and long-service civil work.
Long-service-life fasteners for bridges, highways, rail systems, and other civil projects.
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04Manufacturing
Heavy machinery and production lines.
Fasteners for heavy machinery, production lines, and fabricated steel assemblies — the parts that keep production running.
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05Power Transmission
Substations, transmission, and distribution.
Fasteners for substations, transmission towers, and distribution networks.
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06Oil, Gas & Chemical
Corrosion-resistant, high-pressure service.
Upstream, midstream, downstream, and chemical processing — sized for extreme temperatures, pressures, and harsh service environments.
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View all industries →
Material Spec Builder

Find your
material in
four steps.

Answer a few questions about your application, environment, and strength requirement. We'll narrow thousands of grades down to the handful that actually fit your project.

Open Spec Builder
Material Spec BuilderStep 2 of 4
Application
Structural connection
2
Operating environment
Marine, coastal…
3
Strength requirement
4
Material constraints
Get Started

Let's get you
a quote.

Every quote goes to a real person — not a routing queue. Upload your drawings and we'll respond within 24 hours.

Request a QuoteCall 707.741.3277
No account required · 24-hour response · Full traceability