Specialist precision engineering credentials
Bolenda are a UK Government, ISO 9001 registered company that offers a one-stop, responsive and versatile engineering service. We can fabricate, machine, cut and weld components in virtually any material and we offer a comprehensive facility to prototype, produce small batches, refurbish, repair, overhaul and modify.

Excellence since 1946
For three generations, we have had a family tradition of providing bespoke engineering solutions for individual challenges ranging from designing and creating the mobile cranes that lower the fuel rods into MAGNOX nuclear reactors for BFNL to producing special fit Sea King aircraft components. We also specialise in the manufacture of all Arclion type delayed action ball valves.
Sea King tail rotor gust locks

Arclion type delayed action ball valves Jigs and Fixtures Finished machined bushes
We are manufacturers of all Arclion type delayed action ball valves. Highly toleranced manufacturing jigs and fixtures were produced for the manufacture of welded tubular steel, Bright Star landing light attachment brackets as fitted to Sea King aircraft. Machined bushes, finished to very tight tolerances for the Port of Felixstowe.

Stainless steel hoppers Mounting tubes Aircraft equipment
Stainless steel hoppers fabricated from 316 grade stainless steel for the food Industry. Highly toleranced aircraft equipment mounting tubes and attachment spindles, all machined from solid bar. This was an emergency requirement, which we manufactured and supplied in less than three weeks. Specialist repair tool kits were also manufactured and supplied to aid installation.