1¼" BSP Black Domed Skin Fitting – Marine Thru-Hull Drain for Boats

Description

TruDesign Certified Skin Fittings are expertly designed and manufactured in New Zealand for underwater applications across a wide range of marine vessels. Engineered from a glass-reinforced nylon composite, both the skin fitting body and nut offer exceptional performance with a high strength-to-weight ratio. Infused with high-modulus glass fibres, this advanced composite material ensures outstanding toughness, stiffness, and dimensional stability—delivering superior strength without the added weight of traditional metallic fittings.
A preferred choice for modern boatbuilders and marine professionals, TruDesign Skin Fittings are immune to the corrosion and electrolysis issues commonly faced with metal alternatives, making them ideal for long-term, worry-free installation below the waterline.
These fittings are internationally recognised for their safety and quality, fully compliant with ISO 9093:2021 standards and certified by the International Marine Certification Institute (IMCI), with Bureau Veritas type approval (excluding ½” size). Additionally, sizes from 1" through 3" meet the rigorous ABYC H-27 500Lb static load test (note: a TruDesign Load Bearing Collar is required for 1" size compliance).

Key Features:
•    Certified & Trusted – Complies with ISO 9093:2021; IMCI certified and Bureau Veritas approved (except ½").
•    Wide Compatibility – Suitable for installation in aluminium, steel, wooden, and GRP hulls.
•    Chemical Resistance – Unaffected by diesel, petrol, household cleaners, and antifouling coatings.
•    Durable in All Climates – Reliable performance from -40°C to +110°C, ideal for diverse marine environments.
•    UV Stable – Maintains structural integrity and appearance under prolonged sun exposure.
•    Paint-Ready Finish – High-quality surface finish accepts all types of antifouling paints without discolouration.
With a combination of safety certification, engineering excellence, and practical durability, TruDesign Skin Fittings offer peace of mind and performance you can count on beneath the waterline.