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  • 12 point bolt (Ferry bolt)
  • 12 point bolt (Ferry bolt)
12 point bolt (Ferry bolt) 12 point bolt (Ferry bolt)

12 point bolt (Ferry bolt)

12 Point flange bolt also called Ferry bolt, 12 point cap screw, 12-spline flange screw. Instead of the hexagonal head, the 12 point flange bolt is tailor-fitted toaccommodate socket head cap screw. This allows for a greater torque when screwedunto the device. You can see this bolt in automotive, mining, aircraft, andmanufacturing.

Wellbolt supply following standard of 12 point flange bolts:

ANSI/ASME B 18.2.5M - 2009 12-Point Flange Head Screws (12.9 / ASTM F468M)
ISO 9254 - 2008 Aerospace - Bolts, Normal Spline Head, Normal or Pitch Diameter Shank, Long Length MJ Threads, Metallic Material, Coated or Uncoated, Strength Classes Less Than or Equal to 1100 MPa
ISO 9255 - 2008 Aerospace - Bolts, Normal Spline Head, Normal Shank, Short or Medium Length MJ Threads, Metallic Material, Coated or Uncoated, Strength Classes Less Than or Equal to 1100 MPa

EN 2874 - 1996 Aerospace Series-bolts, Large Bihexagonal Head, Close Tolerance Normal Shank, Medium Length Thread

DIN 65438 - 1993 Aerospace; Bihexagonal Head Bolts, Close Tolerance, With Mj-thread, Short Thread Length, In Titanium Alloy; Nominal Tensile Strength 1100 Mpa, For Temperatures Up To 315 °c

SAE J 58 - 1998 Bihexagonal Head Bolts With Flange

IFI 115 - 2002 Flange 12-Point Screws

ANSI/ASME B 18.2.7.1M - 2002 (R2009) Metric 12-spline flange screws
 

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