Hexagon bolts, in fact, there are many kinds of names, such as can be called external hexagon screws, such as can be called external hexagon screws. It can also be called an outer hexagon bolt. It all means the same thing. It's just a different term for personal habits.
1. Ordinary bolts are divided into three kinds of a, B and C. The first two are refined bolts, less used. Generally speaking of ordinary bolts, all refer to C-Class ordinary bolts.
2. In some temporary connection and need to disassemble the connection, common to C-class bolts. Common bolts of building structures are M16, M20 and M24. Some mechanical industry rough bolts may be larger in diameter and special in use.
We Can Produce:
1/4" - 1-1/2"
Carbon Steel Grade 2 5
Stainless Steel 304 316
Plain ZP Black HDG
Bulk or Small box