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ASME B 18.2.1 - 2012 Heavy Hex Bolts [Table 3] (ASTM A307 / A394)


Unit:
Weight Calculator
Thread Size
d
3/8 1/2 5/8
d
ds max
min
s max
min
e max
min
k max
min
r max
min
b L≤6
L>6
0.3750 0.5000 0.6250
0.388 0.515 0.642
0.360 0.482 0.605
0.688 0.875 1.062
0.669 0.850 1.031
0.794 1.010 1.227
0.763 0.969 1.175
0.268 0.364 0.444
0.226 0.302 0.378
0.030 0.030 0.060
0.010 0.010 0.020
1.000 1.250 1.500
1.250 1.500 1.750
Alternative history ANSI/ASME B 18.2.1 - 1996 ASME B 18.2.1 - 2010 ASME B 18.2.1 - 2012
Suppliers
Best price if from GlobalFastener.com
  • NingBo ZhenHai Guisi Zhaoyang Hardware Screw Factory
  • Contact: Mr.Fang
    Cellphone: +86-13806639241
    QQ: 点击这里给我发消息2881819532
    email: 2881819532@qq.com fhl@zyfastener.cn
    Material: carbon steel; Specifications: M5-M24; Length: 20mm~250mm;Surface treatment: nature, black, galvanized, rohs, hot galvanized, dacromet; Grade: 4.8~12.9
  • Shanghai Kinsom Precision Hardware Co.,Ltd
  • Contact: Tina Cheung
    Cellphone: +86-18114615363
    email: tina@ksfasteners.com
    material:carbon steel,copper,Stainless steel 304 ,316,aluminum;Specifications:M2-M20 , 8-32 ,1/4-20 ,10-24 etc;Nominal length:5-200mm;Surface treatment:according to customers' requirements;Zinc plated, Zinc nickel plated, Dacromet, polished, electrophoresis,ect.
  • Ningbo SiTuo Fastener Co., Ltd
  • Contact: Petty Cao
    Cellphone: 86-15381997760
    email: silany_1122@163.com
    Material: carbon steel, stainless steel; Grade: 4.8, 8.8, 10.9, 12.9; Surface treatment: according to customer requirements; Complete specifications, non-standard customization.

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