Description
Product Overview
Shinerun two hole flange pins are precision-engineered from 304 stainless steel, offering superior corrosion resistance and durability for pipe fitting applications. The set includes two 1-1/8″ diameter pins and two 1-5/8″ diameter pins, designed to accommodate bolt holes ranging from 3/8″ to 1-1/2″. With an embossed pattern for enhanced grip and adjustable height, these pins ensure secure alignment and easy installation in various plumbing and industrial environments. Product dimensions are 6.69 x 4.13 x 1.97 inches, weighing 4.97 pounds, and they were first available on October 16, 2023.

Usage
These two hole flange pins are ideal for professionals and DIY enthusiasts working on pipe flanges in residential, commercial, or industrial settings. Use them for aligning and securing flanges during welding or assembly, particularly in plumbing systems, HVAC installations, or machinery maintenance. Their versatility suits applications involving different flange thicknesses, providing reliable support for bolts in pipelines, valves, and fittings.
Why Choose Us
As a direct manufacturer, Shinerun guarantees high-quality craftsmanship and responsive customer support, with issues resolved within 24 hours. The 304 stainless steel construction ensures long-lasting performance in corrosive or high-moisture environments, while the ergonomic design reduces hand fatigue during extended use. This combination of material excellence and user-focused features sets our pins apart from generic alternatives.
Key Features
- Made from 304 stainless steel for excellent corrosion and acid resistance
- Ergonomic embossed pattern provides a comfortable, non-slip grip
- Precise threads and adjustable height fit various flange thicknesses
- Includes two sizes (1-1/8″ and 1-5/8″) for broad bolt hole compatibility
- Backed by manufacturer quality assurance and reliable customer service
FAQ
What materials are these flange pins made of?
They are constructed from 304 stainless steel, which offers high corrosion resistance and durability in demanding environments.
What bolt hole sizes do these pins support?
The 1-1/8″ diameter pins work with bolt holes from 3/8″ to 1.0″, while the 1-5/8″ pins accommodate 1/2″ to 1-1/2″ holes.
Are these pins suitable for outdoor use?
Yes, the stainless steel material resists weathering and corrosion, making them ideal for both indoor and outdoor applications.
How do I adjust the height of the pins?
The pins feature threaded designs that allow for easy height adjustment to match different flange thicknesses during installation.
What if I have issues with the product?
Contact Shinerun via Amazon for support; the manufacturer responds and resolves concerns within 24 hours.







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