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JB /T 6686 - 1993

12-spline Flange Bolts

JB /T 6686 - 1993 12角头法兰面螺栓

See all versions and complete specifications: 12-spline Flange Bolts — Full Specification Page

Dimensional Specifications — JB /T 6686 - 1993 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
M6	1.25	7.89	8.11	12.17	8	2.14	1.89	9.2	8	12.6	7.85
M8	1.75	12.57	12.83	18.48	12	4.35	4.05	13.8	12.7	19	11.82
M10	2	15.77	16.03	23.28	16	5.94	5.58	19.6	15.9	23.8	15.82
M12	2.5	18.84	19.16	28.08	20

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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