John Hassall supplies high temp/close tolerance bolts, high strength threaded fasteners as well as pins, rivets, nuts and assemblies to the world's leading manufacturers of jet engines. Our years of experience and dedication to providing our customers reliable service and unsurpassed quality has earned for us SQAR source approvals from various Pratt & Whitney UTC Groups, Volvo Aero, MTU, Honeywell, Fiat, Rolls Royce and others. This means that Hassall has earned the right to self govern its manufacturing processes, quality systems and metallurgical lab testing to the extent that it may ship finished parts direct to the customer's production stores.
Jet engines, aircraft APUs, turbo power and marine equipment.
Inconel 718, A286, Waspaloy, Hastelloy X, MP 159*, L-605 Cobalt, Rene 41 and more.
Shank diameters of bolts up to 0.625"; outside diameters of bushing up to 3.000".
Presses with induction heaters for hot forging; 2die/3 blow headers with induction heaters for warm forming; single die headers and multi-die parts formers for cold heading; trimmers; a NADCAP certified heat treat facility capable of vacuum solution treatment and aging, induction annealing, atmospheric hardening and tempering, as well as cold treat freezing to -120°F; multi-axis CNC machining; auto-fed CNC centerless grinding; specialty surface grinding; auto-fed CNC chucking; broaching; bar-fed CNC Swiss turning; threading (flat die & tri-roll); milling & drilling; electrical discharge machining; burnishing; deburring; PWA/LCS approved metallurgical laboratory for both destructive and non-destructive testing, micro & macro evaluations of materials and parts; assembling; EDI; bar coding; ISO 9001:2008 / QS 9000 certification.
- Pratt & Whitney Aircraft
- MTU Aero Engines
- Mitsubishi Heavy Industries
- GE Aircraft Engines
- Defense Logistics Agency
- Honeywell Aircraft Engines
- Volvo Aero
- Rolls Royce Energy Systems