The Bahco 18" Stilson Pipe Wrench is a heavy‑duty adjustable pipe wrench designed for gripping, turning and holding round and hexagonal pipework and fittings. Its primary use is in plumbing and mechanical work where a secure bite on tubular components is required; the 18‑inch overall length gives a good balance of reach and leverage for medium to large diameter pipes.

Manufactured from drop‑forged chrome‑vanadium steel (Cr‑V) and fully heat‑treated, the wrench carries induction‑hardened serrated jaws for extended wear life. The body is finished with a durable enamel coating to resist corrosion and abrasion in workshop and site environments. The jaw adjustment is made via a coarse‑pitch adjusting screw and nut, providing rapid jaw opening and positive clamping. As a traditional Stilson design, the head features an adjustable upper jaw that locks securely under load; there is no mechanical drive — this is a hand‑operated tool built to recognised DIN, ISO and BS hand‑tool standards for adjustable wrenches and pipe tools.

Typical applications include domestic and commercial plumbing, heating, ventilation and air‑conditioning (HVAC) installation and maintenance, municipal and waterworks plumbing, gas fitting, and general mechanical and industrial maintenance. Tradespeople and maintenance engineers value the 18" size for tasks such as tightening or loosening union nuts, assembling pipework on site and preparing plant pipework where a firm, non‑slipping grip is essential.

Key benefits include excellent corrosion resistance from the protective finish, high tensile strength and toughness from the Cr‑V construction, and long‑lasting gripping performance thanks to the hardened, replaceable jaw inserts. The coarse adjustment thread ensures quick set‑up on varying pipe diameters, and the Stilson head is compatible with a wide range of round and hexagonal fittings commonly used in plumbing and mechanical systems.

Duchy Fasteners stocks Bahco Stilson pipe wrenches across multiple sizes for different applications; the 18" is available as an individual item and we also hold 10", 12", 24" options. Packs and trade quantities can be supplied on request — contact us for current availability and pricing.