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

Unit: 毫米(mm)

Code

MJ4

MJ5

MJ6

Code
P	Pitch
d_s	Nominal Size
	before coating	max
		min
	coating(close)	max
		min
	coating(large)	max
		min
	Uncoated bolts(close)	max
		min
	Uncoated bolts(large)	max
		min
d₂	max
	min
d₃	Nominal Size
	max
	min
d_k	min
d_c	max
d₁	max
	min
d₈	max
	min
c	min
k	max
	min
L₂	±0.2
b	Thread(short)
	Thread(medium)
L₃	Thread(short)
	Thread(medium)
L₁
R	max
	min
w	max
	min=nominal size
T	min
wrenching dash number

040	050	060
0.7	0.8	1
4	5	6
3.97	4.97	5.97
3.955	4.955	5.955
3.99	4.99	5.99
3.965	4.965	5.965
4	5	6
3.88	4.88	5.88
3.99	4.99	5.99
3.978	4.978	5.978
4	5	6
3.88	4.88	5.88
/	3.7	4.6
/	3.2	4.1
3	3.4	4.2
3	3.9	4.7
2.5	2.9	3.7
6	7	8
8.3	9.1	10.6
1.14	1.14	1.54
1	1	1.4
1.24	1.64	1.64
1.1	1.5	1.5
0.8	1	1.2
5.5	6.5	7.5
5.02	5.92	6.92
2~40	3~50	3~60
7.5	9	10
10	12	14
5	6	7
6	7.5	8.5
3.5	4.5	5.2
0.4	0.5	0.7
0.2	0.3	0.5
/	2.9	3.2
/	2.5	2.8
2.5	2.8	3.5
060	070	080

IFI 115 - 2002

Flange 12-Point Screws
Suppliers(1)

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 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

JIS /JASO C 610 (T1) - 1979

Center Rib 1st Class Bolts Of Automobiles

JIS /JASO C 610 (T2) - 1979

Center Rid 2nd Class Bolts of Automobiles

JIS /JASO C 610 (T3) - 1979

Center Rid 3rd Class Bolts of Automobiles

JB /T 6686 - 1993

12-spline flange bolts

ASME/ANSI B 18.2.7.1M - 2002 (R2009)

Metric 12-spline flange screws

ASME/ANSI B 18.2.7.1M - 2002 (R2007)

Metric 12-Spline flange screws

EN 2874 - 1996

Aerospace Series - Bolts, Large Bihexagonal Head, Close Tolerance Normal Shank, Medium Length Thread, in Heat Resisting Nickel Base Alloy, Passivated - Classfication: 1550 MPa (at Ambient Temperature)/315℃