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QC /T 1104 - 2019

12-Point Head Heat Resistant Bolts

QC /T 1104 - 2019 12角头耐热螺栓

See all versions and complete specifications: 12-Point Head Heat Resistant Bolts — Full Specification Page

Dimensional Specifications — QC /T 1104 - 2019 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
M5	18	7.8	8.87	4.6	4.1	1.2	6.8	6	5.82	10.6	9.8
M6	26	11.8	13.36	7.2	6.7	2	11.2	10	9.78	16.7	15.7
M8	30	13.7	15.62	8.5	8	2.4	13.7	12	11.73	19.9	18.8

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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