Sizing Guide

Part No	Thread Size	Clevis Pin Ø (mm)	L_MIN (mm)	L_MAX (mm)	W (mm)	H (mm)	Breaking Load (kg)
174-321-01	1/4"	6.50	135	205	7.50	12.00	1550
174-322-01	5/16"	8.00	166	246	9.00	15.00	2450
174-323-01	3/8"	9.50	197	298	10.50	18.00	3450
174-324-01	7/16"	11.00	233	342	12.50	21.00	4750
174-325-01	1/2"	13.00	268	413	14.50	25.00	6200
174-326-01	5/8"	15.80	318	488	18.00	32.00	9500
174-327-01	3/4"	15.80	370	572	22.00	32.00	12500
174-327-02	3/4"	19.00	370	572	22.00	32.00	12500
174-328-01	7/8"	19.00	443	676	22.00	45.00	18000
174-328-02	7/8"	22.00	443	676	22.00	45.00	18000
174-329-50	1"	>22.00	670	970	28	60.00	28000
174-329-51	1"	25.00	670	970	28	60.00	28000

The Fork/Fork Selden Bronze Rigging Screw: A Comprehensive Guide

Introduction

The Fork/Fork Selden Bronze Rigging Screw is a crucial component in marine rigging, offering durability, corrosion resistance, and superior performance under heavy loads. Manufactured by Selden, a renowned name in sailing hardware, this rigging screw is designed to withstand harsh marine environments while providing reliable tensioning for rigging systems.

Material and Construction

The body of the rigging screw is made from chrome-plated aluminum bronze, a material known for its exceptional strength and resistance to corrosion. The fork terminals are crafted from high-grade marine stainless steel, ensuring longevity and robustness. This combination minimizes the risk of thread seizure under heavy loads, a common issue with all-stainless steel rigging screws.

Design Features

Fork/Fork Configuration: This rigging screw features fixed machined forks at both ends, secured with clevis pins. This design ensures a strong and stable connection to rigging components.
Adjustable Length: The screw allows for precise tensioning, with a minimum length of 268 mm and a maximum length of 413 mm.
Breaking Load Capacity: Rated at 6,200 kg, making it suitable for high-load applications.
Thread Size: Available in 1/2" (13.0mm) thread size, ensuring compatibility with various rigging setups.

Advantages Over Stainless Steel Rigging Screws

Unlike traditional all-stainless steel rigging screws, the bronze/stainless combination offers several advantages:

Reduced Risk of Seizing: Stainless steel threads can seize under heavy loads due to galling. The bronze body mitigates this issue.
Enhanced Corrosion Resistance: Bronze is highly resistant to marine corrosion, making it ideal for long-term use.
Improved Longevity: The combination of materials ensures a longer lifespan compared to standard stainless steel screws.

Applications

The Fork/Fork Selden Bronze Rigging Screw is widely used in:

Sailing Yachts: Essential for tensioning standing rigging.
Architectural Rigging: Used in structural applications requiring high load-bearing capacity.
Industrial Use: Suitable for heavy-duty tensioning in various engineering fields.

Conclusion

The Fork/Fork Selden Bronze Rigging Screw is a superior choice for marine and industrial rigging applications. Its bronze/stainless steel construction, high load capacity, and adjustable length make it a reliable and durable solution for demanding environments. Whether for sailing, architecture, or industrial use, this rigging screw ensures optimal performance and longevity.

Part No. 174-321-01

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Fork/Fork Selden Bronze Rigging Screw

Bronze, like stainless steel, is very strong and highly resistant to corrosion. By making the body of the rigging screw in chrome plated aluminium bronze and the terminals in high grade marine stainless steel the risk of the thread seizing up under heavy loads is reduced. A design feature which gives you a product that performs better and lasts even longer.

This Rigging Screw has a fixed machined fork with pin at both ends. Check the pin sizes are correct for your requirements.

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Fork/Fork Selden Bronze Rigging Screw