WELLBOLT CO.,LTD
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
