Case Studies

5 examples of typical work undertaken by Bolt King over the last 12 months.

PETROCHEMICAL SECTOR

Dual Threaded Waisted Double End Stud, M64 (6.0), M68 (6.0), M70 (6.0)  x 587mm lg Rolled Thread (Self Colour), c/w Tensioner Nut

Customer : Petrochemical Plant, Eastern Europe
Quantity : 32 Sets
Material : SA 540 B24 Cl.3 & Cl.5
Manufacturing Method : Precision Turned, Thread Rolled
  • 10mm drilled centre hold through length of stud for thermocouple
  • Form Milled End
  • 3rd Party Mechanical Testing at Elevated Temperature (450 Deg. C)
  • Complete with Drilled Round Tensioner Nut
  • Machined, Heat Treated, Rolled, Tested in 14 Days.

Dual Threaded Waisted Double End Stud, M64 (6.0), M68 (6.0), M70 (6.0)  x 587mm lg Rolled Thread (Self Colour), c/w Tensioner Nut

GAS TURBINE SECTOR

D-Head Bolt, 1-1/8" 12-UNF x 4.50" lg uhd (Self Colour), c/w 1 12 Point Nut

Customer : Offshore Gas Turbine Outage, North America
Quantity : 48 Sets
Material : INCONEL 718 (Cold Worked)
Manufacturing Method : Hot Forged & Precision Turned
  • c/w 1 off 12 Point Nut with Self Locking Feature
  • Bolt King pre-production Quality Plan supplied
  • Cold-worked high-nickel alloy
  • Delivery: 7 working days only (including airfreight of material from USA)

D-Head Bolt, 1-1/8

DEFENCE SECTOR

Super Heavy Hex Head Bolt,  M20 (2.5) x 70mm lg 

Customer : Defence Contractor, UK
Quantity : 2000 pieces
Material : BS970 817M40V 10.9, Geomet 500B
Manufacturing Method : Hot Forged & Precision Turned
  • Bolt King technical review resulted in design upgrades and 7 drawing improvements
  • Quality Plan and Pre-production samples provided
  • Supplied with FAIR Document Pack
  • Bolt King pre-production Quality Plan supplied
  • Prior failures in service eliminated by Bolt King expertise.

Super Heavy Hex Head Bolt,  M20 (2.5) x 70mm lg

RESEARCH SECTOR

Precision Milled Superconductor Connector

Customer : Nuclear Research Organization, Switzerland
Quantity : 1800 pieces
Material : INCONEL 718
Manufacturing Method : Precision Milled
  • Strain Hardened INCONEL 718 sourced from USA (AMS 5962)
  • Roll tapped internal threads
  • Demanding performance standard / Delivery Schedule
  • LTR Level 7 Inspection Protocol

Precision Milled Superconductor Connector

TURBINE SECTOR

12 Point Nut, 3/8" UNF (3B)

Customer : Offshore Power Generation Group, UK
Quantity : 400 pieces
Material : Waspaloy (AMS 5709)
Manufacturing Method : Hot Forged & Precision Turned
  • Reverse Engineered at Bolt King
  • Hot Forged & Heat Treated on-site
  • All Metal Torque Tested Locking Feature
  • Silver Plated, AMS 2526 Molydisulphide & Xylar 2 Coated
  • c/w 12 Point Bolt

12 Point Nut, 3/8

SPECIAL FASTENERS IN EXOTIC ALLOYS, INCLUDING INCONEL AND SUPER DUPLEX