The hex head machine bolt has a hexagonal head and machine threads for use with a nut or in a tapped hole. Also known as hex screw or machine bolt. Hex cap screw features a washer face under the head and a chamfered point, whereas a hex bolt does not have a washer face or chamfered threads. They are made of low-carbon steel and are very common in construction or repair projects. Hex bolt is a very common choice when it comes to construction and repair. Hexagon screw head bolts come in a large variety of sizes and diameters. The best way to choose the right hex bolt is to find the bolt material that best suits your needs. Ever Hardware provides the hex head machine bolt and customizable packaging.
Each different hex bolt material has particular properties to fit specific applications. Hexagon screw head bolts are made from a variety of materials to accommodate the wide range of applications in which hex cap bolts are used. Below are just a few of the more common types of hexagon screw head bolts.
Stainless steel bolts: Common choice of hex screws since they don’t need any coating and are corrosion resistant.
Carbon steel bolts: The most common hexagon screw head bolts are zinc plated for added corrosion resistance.
Alloy steel bolts: These types of hex bolts are made to withstand an enormous amount of pounds per square inch. They are coated with either cadmium or zinc plating to protect them against corrosion.
Hex bolts are available with standard threading or full threading, depending on the length of the bolt. Applications for hexagon screw head bolts can vary from the exterior and automotive to marine, coastal, and high-temperature environments.
12.9-grade steel means that a component manufactured from this grade of steel has 12X100 N/mm^2 tensile strength and 9 is a multiplier means 90% of 1200 = 1080 N/mm^2 is the yield strength of the grade.
Similarly, we also have grade 8.8, 10.9, 6.8 also. This is an imperial method implied by engineers to differentiate between different sets of steel grades. Mainly used to differentiate the bolts and nuts. like Grade 12.9 Hexagonal Bolt.
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| Category | Hex Head Machine Bolt |
|---|---|
| Finish | Electro-Plating |
| Thread type | Metric/Imperial/According to Request |
| Material | Stainless Steel/Carbon Steel/Aluminum/Brass/Copper, etc. |
| Brand | Ever Hardware |
| Place of origin | China Mainland |
| Size | Customized as required |
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