The head of a heavy hex bolt is wider and thicker than that of a hex bolt.
A heavy hex bolt goes with a heavy hex nut.
Heavy Hex Bolt
Heavy Hex Bolt
Dimensions and threads will be in metric series as per respectively. Europe and Asia use the Metric System but Recently, metric bolts have become more popular in the United States & in Gulf countries because of international businesses that need parts that are compatible with products from other countries.
| BOLT SPECIFICATIONS |
| ASTM A325M , A490M , A193M, BS 4395 , DIN 6914 & EN ISO 14399 |
| THREAD SPECIFICATIONS |
| ANSI /ASME B1.13M – 6g |
| PRODUCT RANGE |
| Size range as covered in the above standards |
| HEAD MARMING & SUITABLE NUTS | ||||||||||||||||||||||||||
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DIMENSIONS AND THREADS OF THESE BOLTS WILL BE AS PER RESPECTIVELY
Various specifications inclueds ASTM A307, A325, A490
| THREAD SPECIFICATIONS |
| ASTM A307 GR – B Standard specifications for carbon steel bolts & stud with 60,000 psi strength. |
| HEAVY HEX STRUCTURAL TYPE BOLTS |
| ASTM A325 Standard specifications for structural bolts ,steel,heat treated ,120/105 ksi minimum tensile strength. |
| ASTM A490 Standard specifications for structural bolts ,Alloy steel,heat treated ,150 ksi minimum tensile strength.These high strength bolts are designed to be used structural connections and have shorter thread lengths which are compliant with the standards from the American Institute of Steel Construction (AISC), the American Association of State Highway and Transportation Officials (AASHTO )the American Society for Testing Materials (ASTM).NOTE ASTM A325 was officially withdrawn in 2016 and replaced by ASTM F3125,The F3125 specification is a consolidation and replacement of six ASTM standards, including; A325, A325M, A490, A490M, F1852, and F2280.Information on A325 is for reference and informative purpose only |
| PRODUCT RANGE | |
| Size range as mentioned in the above standards. |
| HEAD MARKING | ||||||||||||||
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