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Flange Alignment Pins

Product Overview


Streamline your flange fit-up process with the FAP300 and FAP310-SS Flange Alignment Pins, engineered to drastically reduce setup time while improving accuracy and consistency in pipe fabrication and welding workflows. This tool eliminates the need to balance an external level on traditional fit-up pins by integrating a built-in leveling system directly into its central cylinder and sliding bar.

Built with precision C.N.C. machined components, it features a smart, user-friendly design where two smooth, dual conical pins slide easily into the flange holes to lock both sides perfectly in place before welding.

Application Tip: Use the standard steel FAP300 for everyday shop fabrication, or upgrade to the stainless steel FAP310-SS for specialized food-grade or highly corrosive marine environments.

Slide Bar Length

256 mm

Pin Span

48 mm MIN –203 mm MAX

Pin Base Diameter

35.5 mm

Pin Base Height

42.0 mm

Thread Type

TR12-3 Thread

Material Options

HD Steel / Stainless Steel

Weight

1.2 kg

Why It Beats the Competition

No More Juggling Tools

Traditional alignment methods require balancing a separate torpedo level across your alignment pins. The FAP300 series integrates the bubble level directly into the main frame, keeping your hands entirely free to fit and weld.

Rapid, Tool-less Operation

Forget endlessly spinning fine-threaded nuts to secure your pins. The integrated quick-release buttons allow you to slide, lock, and release the tool in a fraction of a second.

Zero-Error Consistency

Precision C.N.C. machining paired with smooth dual conical sliding pins prevents shifting and human error, providing repeatable accuracy from joint to joint.

Integrated Bubble Level

Embedded directly into the central cylinder of the interconnecting slide bar to ensure proper orientation and quick, accurate horizontal alignment.

Smooth Dual Conical Pins on Any Surface

Designed to slide smoothly into flange holes, automatically centering and locking both sides securely in place.

Quick-Release Buttons

Features a quick-action button on the pins for rapid engagement, effortless sliding adjustments, and instant disengagement.

Two-Hole Alignment Design

Ensures both flange holes are precisely leveled to the ground simultaneously, eliminating the guesswork of manual leveling.

Working Applications

Pipe Fabrication Shops

Speeds up high-volume spool production and repetitive assembly workflows.

Field Welding & Pipeline Construction

Built tough to handle the grit of field environments while providing fast, reliable alignment.

Industrial Food Grade Facilities

The stainless steel variant meets clean-room and sanitary piping standards.

Marine & Offshore Piping

Excellent corrosion resistance for saltwater environments, shipbuilding, and marine plumbing layouts.

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Made by us, shared by you

This new Sawhorse kit is unreal! For someone like me who is always working in and out of the shop, these fixture horses are next level! I can’t wait to get 3 more so I can clamp down some big gates on job sites and bang them out way faster than ever.

Brad Parker

@gnarlivin on Instagram

We purchased these specifically to help with an upcoming project, as well as future builds. We just got our tables and couldn't be happier with the quality. Assembly was easy once we got the orientation of everything right.

Charles N

This is a very handy tool to help you with locating the degree you need on a round tube or pipe instead of having to assume you’re in the right spot. Plus the magnetic base helps tremendously by staying where you place it and not moving or falling off. Great tool!

Jeffrey a.H.

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