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ASME B 18.2

12-Point Flange Head Screws (12.9 / ASTM F468M)

ASME B 18.2.5M - 2013 十二角法兰螺栓 (12.9 / ASTM F468M)

See all versions and complete specifications: 12-Point Flange Head Screws (12.9 / ASTM F468M) — Full Specification Page

Dimensional Specifications — ASME B 18.2 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
M5	1	2.45	2.7	6	5.79	6	5.82	10.22	9.77	6	6.7
M6	1.5	4.13	4.5	10	9.78	10	9.78	16.27	15.69	10	11.2
M8	2	5.93	6.3	14	13.79	14	13.73	21.33	20.67	14	15.8
M10	2.5	8.5	9	20	19.82

Related Standards

IFI 115 - 2002— Flange 12-Point Screws DIN 74361 - 2 (G) - 2008— Ball Collar Screw - Type G 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 DIN 74361 - 2 (D/E) - 1982— Wheel Bolts - Type D, E ISO 3186 - 2008— Aerospace - Bolts, Large Bihexagonal Head, Normal Shank, Short or Medium Length MJ Threads, Metallic Material, Coated or Uncoated, Strength Classes 1250 Mpa to 1800 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 ISO 9254 - 1993— 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

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