Double -thread bolt (STUD), also called double -thread screws or double thread stud. The fixed link function used to connect the mechanical. Both ends of the double -headed bolts have screws, and the middle smooth parts are thick and fine. Generally used for mine machinery, bridge, cars, motorcycles, boiler steel structures, hanging tower, large span steel structure and large buildings.
The bolt refers to the screw with a larger diameter, and it can also have no head, such as double thread bolts. Generally, it is not called "double -headed bolt" and is called "double thread bolt". The most commonly form of the double -thread bolt is that there are threads at both ends and a light rod in the middle. The most typical use: the place where the foot bolts, or the thicker connection of similar foot bolts, and the thicker connection are not realized with ordinary bolts.
Main usage:
1. Used for large devices and need to install attachments, such as visual mirrors, mechanical seals, and deceleration racks. At this time, a double -thread bolt is used. One end is twisted into the main body. After installing the attachment, the other end is fixed with a nut. Because the attachment is often disassembled, the thread will wear or damage, and it will be very convenient to replace it with double thread bolts. 2. For the thick connection body, when the length of the bolt is very long, the double thread bolt will be used. 3. It is used for connecting thick plates and where is inconvenient to use hexagonal bolts, such as concrete roofs, roof beam suspension, etc.
| Product Name |
Double Thread Bolt |
| Material |
Stainless steel 304 `316,202,201 ,carton steel 45# 22A 10B21,alloy steel,aluminum5052 6063F22,brass ,Titanium/Ti Alloy And so on |
| Hardness |
4.8-12.9 grade |
| Type of Shank |
Full thread/ parital thread |
| Drivers |
slotted,six-lobe,pozi driver,square,triangle,8 point,phillips |
| Type of Head |
flat,oval,truss,PF.round ,button,pan(JIS,ANSI),fillister,square |
| Surface Treatment |
Zinc,nickel,gold brass,black/black oxide etc |
| Shank Diameter |
M2.5-M30 customized by your need |
| Overall Length |
6-120MM |
| Salt Spray Test |
24hr-1000hr |
| Head Diameter |
according to the size |
| Application |
The product is used for fixing thing in one place,it is also apply to material transmission, large drill bit. |
| Package Description |
25kg/carton;Can Pallet.Or according to customers' requests. |
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