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GB /T 899-1988 Double end studs bm=1.5d

Unit: mm
国标GB /T899-1988 GB899 899GB(GB899-76) 双头螺柱 bm=1.5d
Nominal Length L Tips:seclect Nominal Length L and get Weight Thread length.
Screw Thread
d
M2 M2.5 M3 M4 M5 M6 M8 M10 M12 (M14) M16
P Pitch
bm Nominal Size
min
max
ds max
min
0.4 0.45 0.5 0.7 0.8 1 1.25 1.5 1.75 2 2
3 3.5 4.5 6 8 10 12 15 18 21 24
2.4 2.9 3.9 5.4 7.25 9.25 11.1 14.1 17.1 19.95 22.95
3.6 4.1 5.1 6.6 8.75 10.75 12.9 15.9 18.9 22.05 25.05
2 2.5 3 4 5 6 8 10 12 14 16
1.75 2.25 2.75 3.7 4.7 5.7 7.64 9.64 11.57 13.57 15.57
Weitht of per 1000 steel products(≈kg)
- - - - - - - - - - -
Length of Thread b
- - - - - - - - - - -
Screw Thread
d
(M18) M20 (M22) M24 (M27) M30 (M33) M36 (M39) M42 M48
P Pitch
bm Nominal Size
min
max
ds max
min
2.5 2.5 2.5 3 3 3.5 3.5 4 4 4.5 5
27 30 33 36 40 45 49 54 58 63 72
25.95 28.95 32.75 34.75 38.75 43.75 47.75 53.5 56.5 61.5 70.5
28.05 31.05 34.25 37.25 41.25 46.25 50.25 55.5 59.5 64.5 73.5
18 20 22 24 27 30 33 36 39 42 48
17.57 19.48 21.48 23.48 26.48 29.48 32.38 35.38 38.38 41.38 47.38
Weitht of per 1000 steel products(≈kg)
- - - - - - - - - - -
Length of Thread b
- - - - - - - - - - -
①,P = pitch of coarse thread;
ds ≈ pitch diameter of thread(only for type B);
Xmax =2.5P
Suppliers  
1
  		China Mainland Ningbo Chuangli Fasteners Co., Ltd.
Manage. Chen
Mobile Phone: +86-15888058900 Telephone: +86-574-86537593
Material: 35K, 45#, 40Cr, 35CrMoA, 25Cr2MoVA; Size: M10-M72; Surface treatment: black,Galvanized,hot dip galvanized
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Relevant Standards
1
等长双头螺柱 B级
[GB]
GB /T 901-1988		 Double end studs (clamping type)--Product grade B Suppliers(2)
2
C级等长双头螺柱
[GB]
GB /T 953-1988		 Double end studs(clamping type) - Product grade C
3
双头螺柱 bm=1d
[GB]
GB /T 897-1988		 Double end studs--bm=1d Suppliers(3)
4
双头螺柱 bm=1.25d
[GB]
GB /T 898-1988		 Double end studs bm=1.25d Suppliers(1)
5
双头螺柱 bm=2d
[GB]
GB /T 900-1988		 Double end studs bm=2d Suppliers(1)
6
腰状杆螺柱连接副 螺柱
[GB]
GB /T 13807.2-1992		 Connections with waisted stud - Studs
7
管法兰连接用B级等长双头螺柱
[GB]
GB /T 9125-2010		 Double end studs-Product grade B for pipe flange connection
8
管法兰连接用等长双头螺柱
[GB]
GB /T 9125-2010		 Double end studs for pipe flange connection
9
腰状杆螺柱连接副 螺柱
[GB]
GB /T 13807.2-2008		 Connections with waisted stud-studs
10
等长双头螺柱
[IFI]
IFI 136-2002		 Double end studs
11
米制等长双头栓
[IFI]
IFI 528-1999		 Metric double end studs
12
带孔锥端双头栓（专用地脚螺栓）
[DIN]
DIN 797-1970		 Special Foundation bolts
13
粗杆双头栓 b1=1d
[DIN]
DIN 938-1995		 Studs with a length of engagement equal to about 1d
14
粗杆双头栓 b1=1.25d
[DIN]
DIN 939-1995		 Studs with a length of engagement equal to about 1.25d Suppliers(2)
15
粗杆双头栓
[DIN]
DIN 940-1995		 Studs - Metal end ≈ 2.5d
16
过盈配合螺纹双头栓b=2d
[DIN]
DIN 949-1-1995		 Metric interference-fit thread studs
17
过盈配合螺纹双头栓b=2.5d
[DIN]
DIN 949-2-1995		 Metric interference-fit thread studs
18
双头栓
[DIN]
DIN 2509-1986		 Double end studs
19
双头螺柱b1≈2d
[DIN]
DIN 835-1972		 Stude Threaded End ≈2d
20
双头螺柱
[DIN]
DIN 835-1995		 Stude Threaded End ≈2d
21
双头螺柱b1≈2d
[DIN]
DIN 835-2010		 Stude Threaded End ≈2d
22
双头螺柱b1=2.5d
[DIN]
DIN 940-2010		 Studs with a length of engagement equal to about 2.5d
23
T形螺母用双头螺柱
[DIN]
DIN 6379-2003		 Studs for use with T-nuts
24
b1=2.5d粗杆双头栓
[DIN]
DIN 940-1983		 Studs with a length of engagement equal to about 2.5d
25
双头栓
[JIS]
JIS B 1173-1995		 Double studs
26
双头螺柱
[JIS]
JIS B 1173-2010		 Studs
27
地脚用双头栓
[JIS]
JIS B 1220-2010		 Set of anchor bolt with rolled threads for structures
28
米制等长双头栓
[ASME/ANSI]
ANSI/ASME B 18.31.1M-2008		 Metric studs with double end
29
米制1.5d 不等长双头栓
[ASME/ANSI]
ANSI/ASME B 18.31.1M-2008		 Metric studs with different length -Metric 1.5d
30
紧固型螺柱
[ASME/ANSI]
ANSI/ASME B 18.31.2-2008		 Clamping type studs
31
旋入型双头螺柱
[ASME/ANSI]
ANSI/ASME B 18.31.2-2008		 Tap end studs
32
双头螺柱
[UNI]
UNI 5911-1993		 Medium end studs (b1=1.5d)-ISO metric coarse thread-Product grade A
33
双头螺栓
[UNI]
UNI 5909		 Double end studs
34
双头螺柱b1=1.5d
[NF]
NF E 25-135-1986		 Studs-Product A and B b1=1.5d
35
双头螺栓
[BS]
BS 2693-1-1956		 Screwd Studs
36
T形螺母用双头螺柱
[CNS]
CNS 4607-1983		 Double end studs for T-nuts
37
T型双头栓
[CNS]
CNS 4609-1983		 Double end studs with T-end
38
双头螺柱b1≈1d
[CNS]
CNS 4603-1978		 Double end studs
39
双头螺柱b1≈1.25d
[CNS]
CNS 4604-1978		 Double end studs
40
双头螺柱b1≈2d
[CNS]
CNS 4605-1978		 Double end studs
41
双头螺柱b1≈2.5d
[CNS]
CNS 4606-1983		 Double end studs
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