BS 2693-1-1956 Screwd Studs - UNF Thread


Unit: inch
Screw Thread
d
1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1 1-1/8 1-1/4 1-3/8 1-1/2
PP
Major diameter max
min
Effective diameter max
min
Minor diameter max
min
28 24 24 20 20 18 18 16 14 12 12 12 12 12
0.2500 0.3125 0.3750 0.4375 0.5000 0.5625 0.6250 0.7500 0.8750 1.0000 1.1250 1.2500 1.3750 1.5000
0.2435 0.3053 0.3678 0.4294 0.4919 0.5538 0.6163 0.7406 0.8647 0.9886 1.1136 1.2386 1.3636 1.4886
0.2294 0.2883 0.3510 0.4084 0.4712 0.5302 0.5929 0.7137 0.8332 0.9510 1.0762 1.2014 1.3265 1.4517
0.2265 0.2852 0.3478 0.4050 0.4675 0.5264 0.5889 0.7094 0.8286 0.9459 1.0709 1.1959 1.3209 1.4459
0.2088 0.2643 0.3270 0.3796 0.4424 0.4981 0.5608 0.6776 0.7920 0.9029 1.0281 1.1533 1.2784 1.4036
0.2037 0.2586 0.3211 0.3729 0.4356 0.4907 0.5533 0.6693 0.7828 0.8925 1.0176 1.1427 1.2677 1.3928
Similar Standards
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6 双头螺柱 bm=2d [GB]
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17 b1=2.5d粗杆双头栓 [DIN]
DIN 940-1983
Studs with a length of engagement equal to about 2.5d
18 粗杆双头栓 b1=1d [DIN]
DIN 938-1995
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19 粗杆双头栓 b1=1.25d [DIN]
DIN 939-1995
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22 双头螺柱b1≈2d [DIN]
DIN 835-1972
Stude Threaded End ≈2d
23 过盈配合螺纹双头栓 b≈2d (A型) [DIN]
DIN 949-1-1995
Studs with Metric Interference Thread MFS - Part 1: Lengths of Engagement ≈ 2 d (Type A)
24 过盈配合螺纹双头栓b=2.5d (B型) [DIN]
DIN 949-2-1995
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25 双头栓 [DIN]
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27 双头螺柱b1≈2d [DIN]
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28 双头螺柱b1=2.5d [DIN]
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30 双头栓 [JIS]
JIS B 1173-1995
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31 地脚用双头栓 [JIS]
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32 双头螺柱 [JIS]
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ASME/ANSI B 18.31.2-2008
Tap end studs
34 米制等长双头螺柱 [Table 2] [ASME/ANSI]
ASME/ANSI B 18.31.1M-2008(R2016)
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35 米制1.5d 不等长双头栓 [Table 3] [ASME/ANSI]
ASME/ANSI B 18.31.1M-2008(R2016)
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36 英制夹紧式螺柱 [Table 2] [ASME/ANSI]
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Dimensions for Clamping Type Studs, (Inch Series)
37 英制双头非等长螺柱 bm=1.5d [Table 3] [ASME/ANSI]
ASME/ANSI B 18.31.2-2014
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38 紧固型螺柱 [ASME/ANSI]
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UNI 5909
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40 双头螺柱 [UNI]
UNI 5911-1993
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41 双头螺柱b1=1.5d [NF]
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42 UNC螺纹双头螺栓 [BS]
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43 BSF螺纹双头螺栓 [BS]
BS 2693-1-1956
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44 BSW螺纹双头螺栓 [BS]
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45 BA螺纹双头螺栓 [BS]
BS 2693-1-1956
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46 T形螺母用双头螺柱 [CNS]
CNS 4607-1983
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47 T型双头栓 [CNS]
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48 双头螺柱b1≈1d [CNS]
CNS 4603-1978
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49 双头螺柱b1≈1.25d [CNS]
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50 双头螺柱b1≈2d [CNS]
CNS 4605-1978
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51 双头螺柱b1≈2.5d [CNS]
CNS 4606-1983
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