SeaSure Blocks offers a versatile range of marine-grade blocks designed for various applications, including high-load uses such as lifting systems and garage door mechanisms.
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1-2 weeks delivery time SeaSure Aluminium Bar Buckles are designed for applications ranging from safety harnesses to cover attachments. The range includes versions for 30 mm, 40 mm and 50 mm webbing, each with an approximate breaking load of 1500 kg. The buckle frames are manufactured from marine-grade 316 stainless steel for strength and corrosion resistance, and conformity certificates are available on request.
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$ 30.24
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1-2 weeks delivery time SeaSure 15.50 is a bow mast eye plate with a 75 mm radius, manufactured from 316 stainless steel and electro-polished for marine use. The plate measures 73 x 65 mm with a thickness of 2.0 mm, a 9.5 mm eye material diameter and 5.0 mm fixing holes. Precision machining provides smooth edges and a clean finished surface.
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$ 78.90
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1-2 weeks delivery time SeaSure 15.51 is a curved bow mast eye plate with a 75 mm radius, manufactured from 316 stainless steel for marine use. The plate measures 70 x 76 mm with a thickness of 3.0 mm, a 12.7 mm eye material diameter and 6.8 mm fixing holes. Multiple finishing stages provide a smooth surface, while electro-polishing improves resistance to saltwater corrosion.
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$ 118.70
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1-2 weeks delivery time SeaSure 15.82 is a cruiser mast plate with horizontal eye, manufactured from grade AISI 316 stainless steel for marine use. The plate measures 64 x 73 mm with a thickness of 2.0 mm, an 8.0 mm eye material diameter and 5.0 mm fixing holes. Multiple machining and finishing operations provide a smooth, burr-free surface with no sharp corners.
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$ 72.39
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1-2 weeks delivery time SeaSure 15.71 is a stanchion mounting bracket designed for 25 mm diameter stanchions. It provides a practical attachment point for securing fenders, mooring ropes, boathooks, hooks and other onboard equipment. The bracket is supplied individually under item number 490120.
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$ 76.54
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1-2 weeks delivery time SeaSure 15.72 and 15.72S are 65 mm stowage brackets with ring, manufactured from electro-polished 316 stainless steel for durable, corrosion-resistant marine use. Their flexible design allows installation in areas where crew may stand or where reduced noise is important. The range includes a standard 15.72 version and a low 15.72S version.
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$ 315.85
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1-2 weeks delivery time SeaSure stowage brackets with bar are manufactured from electro-polished 316 stainless steel for durable, corrosion-resistant marine use. The range includes 60 mm, 84 mm, 86 mm and 110 mm bar versions. Their flexible construction allows installation in areas with regular crew movement or where reduced noise inside the boat is important. Each variant is supplied individually.
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$ 320.33
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1-2 weeks delivery time SeaSure 15.86 is a flexible nylon stowage bracket with a 45 mm size, designed to support boom storage and reduce rattling against the deck. It can be mounted against the mast to hold the boom alongside it, while the flexible construction provides a softer contact point. Optional filler plates can be used when additional height above the deck is required.
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$ 120.68
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1-2 weeks delivery time SeaSure 15.88 is a packing piece designed specifically for use with the SeaSure 15.86 flexible stowage bracket. It is used to increase the bracket height above the deck, providing additional clearance while retaining the soft, low-noise stowage arrangement of the 15.86 system.
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$ 10.41
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1-2 weeks delivery time SeaSure flat eye plates are heavy-duty marine fittings manufactured from 316 stainless steel and finished for smooth, corrosion-resistant performance. The range includes SeaSure 15.90 with a 64 x 73 mm plate, 2.0 mm thickness, 9.5 mm eye material diameter and 5.0 mm fixing holes, and SeaSure 15.91 with a 76 x 70 mm plate, 3.0 mm thickness, 12.7 mm eye material diameter and 6.8 mm fixing holes. Both variants are designed for demanding marine installations.
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$ 78.23
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1-2 weeks delivery time SeaSure 16.01 is a dinghy mast plate with a horizontal eye, manufactured from 316 stainless steel for marine use. The plate measures 44 x 51 mm with a thickness of 1.5 mm, an eye material diameter of 6.3 mm and 5.0 mm fixing holes. The fittings are extensively machined and finished to remove sharp edges and burrs, then electro-polished for improved resistance in marine environments.
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$ 31.48
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1-2 weeks delivery time SeaSure 16.03 is a dinghy mast plate with a vertical eye, manufactured from 316 stainless steel for marine use. The plate measures 42 x 50 mm with a thickness of 1.5 mm, a 6.3 mm eye material diameter and 5.0 mm fixing holes. The fitting has smooth finished edges and an electro-polished surface for durability in marine environments.
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$ 31.48
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1-2 weeks delivery time SeaSure 16.05 is a flat eye plate manufactured from 316 stainless steel for marine use. The plate measures 41 x 51 mm with a thickness of 1.5 mm, a 6.0 mm eye material diameter and 5.0 mm fixing holes. The fittings are precision-machined and polished to remove burrs and sharp corners, then electro-polished for improved corrosion resistance. Supplied in a pack of 5 pieces.
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$ 43.06
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1-2 weeks delivery time SeaSure dinghy spinnaker pole ends are manufactured from 316 stainless steel with an electro-polished finish for durable marine use. The range includes 25 mm and 32 mm versions, both using a spring-loaded mechanism for quick handling during manoeuvres. The fittings are compatible with 25 mm and 32 mm tubes as well as 32 mm tapered wooden poles.
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$ 121.80
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1-2 weeks delivery time SeaSure 16.52 is a set of black nylon Ingelfield hooks designed for securing covers. The hooks feature fish-tail ends that help prevent them from disappearing into cord runs during use. Supplied in a pack of 10 pieces.
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$ 42.93
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1-2 weeks delivery time SeaSure rudder gudgeons are available in 25 mm, 32 mm, 38 mm and 54 mm internal widths, with short and long configurations and versions with or without a retaining pin. The 25 mm, 38 mm and 54 mm models are manufactured from heated and drawn aluminium with a hard black anodised finish and include a nylon bearing bush. The 32 mm range uses 5 mm fixing holes, is designed specifically for compatibility with SeaSure rudder fittings and allows the bush to be replaced separately with SeaSure 18.39.
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$ 67.52
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1-2 weeks delivery time SeaSure 18.12 is a 2-hole transom gudgeon designed for use with SeaSure transom pintles. This version has an 8 mm pin hole and 6 mm fixing holes and incorporates a carbon bush to reduce wear from the stainless steel pintle. Optional SeaSure 18.52 packing pieces can be used to adjust the stand-off distance from the transom, while replacement carbon bushes are available as part 18.39.
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$ 39.91
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1-2 weeks delivery time SeaSure 18.13 is a 2-hole transom pintle typically used at the top of the transom on lighter dinghies. This version has an 8 mm pintle pin and two 6 mm countersunk fixing holes. The pin is manufactured from 316 stainless steel and includes a cross hole for securing the rudder with an R-clip or split ring. Optional SeaSure 18.52 packing pieces can be used to increase the stand-off distance from the transom.
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$ 68.62
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1-2 weeks delivery time SeaSure 18.15 is a 4-hole transom gudgeon designed for use with SeaSure transom pintles. This version has an 8 mm pin hole and four 5 mm countersunk fixing holes for secure attachment to the transom. Optional SeaSure 18.54 packing pieces can be used to increase the stand-off distance between the fitting and the boat.
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$ 44.69
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1-2 weeks delivery time SeaSure 18.14 is a 4-hole transom pintle designed for secure rudder mounting. This version has an 8 mm pintle pin and four 5 mm countersunk fixing holes. The pin is manufactured from 316 stainless steel and includes a cross hole for an R-clip or split ring to retain the rudder. Optional SeaSure 18.54 packing pieces can be used to increase the stand-off distance from the transom.
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$ 57.67
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What are the key features of the SeaSure general purpose block and how does it perform in marine environments?
The SeaSure general purpose block, part of the 25mm bearing block range, is designed for high-load applications, making it ideal for use with abrasive ropes and systems requiring reliable performance. Featuring robust construction with steel side plates and rivets, the block ensures durability and smooth operation in marine environments. Its versatile design allows it to be used in various applications, from rigging systems to lifting mechanisms, offering efficient performance even under demanding conditions.
How do customer reviews reflect the durability and performance of SeaSure blocks in different marine environments?
Customer reviews highlight the durability and performance of SeaSure blocks, particularly the 25mm plain bearing block, which is praised for its robust construction, including features like steel side plates and rivets with an arnite coating. Reviewers consistently note how well these blocks handle high loads, even when used with abrasive ropes in demanding marine environments. The positive feedback reflects their reliability in both recreational and industrial applications, with users appreciating their smooth operation and resistance to harsh conditions like saltwater and UV exposure.
How does the plastic construction of SeaSure blocks compare to other materials in terms of durability and strength?
The plastic construction of SeaSure blocks offers a lightweight and cost-effective solution while maintaining strong durability for many marine applications. Compared to traditional materials like metal, plastic blocks are resistant to corrosion from saltwater and are less prone to rust, making them ideal for extended use in harsh marine environments. While plastic blocks may not have the same tensile strength as stainless steel, their design and use in systems such as high-load applications and abrasive rope handling ensure reliable performance when properly selected.