carbon steel 8.8 Grade Black DIN931 M8 M10 Hexagon Bolts

carbon steel 8.8 Grade Black DIN931 M8 M10 Hexagon Bolts

1. Product Description

Hex bolts have six sided heads,  are the industry standard for fasteners with forged heads. 
Common criteria can be found in: SH3404, HG20613, HG20634 etc.

Hexagonal bolt head and the screw fastener means consisting of bolts Material iron bolts and stainless steel bolts. Divided by grade iron bolt 4.8, 8.8 bolts. Stainless steel bolts are made of stainless steel bolt SUS201, SUS304 bolt, SUS316 bolts.
This connection type called bolt connection. As to unscrew the nuts from the bolts, so that the two parts can be separated, so bolting belongs detachable connection.

Hex bolts, also called hexagon cap screw ,hexagon head bolts, hex cap bolts, hex-cap screws, or machine bolts, are a common choice when it comes to construct and repair. Hexagon  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.

Each different hex bolt material has particular properties to fit specific applications. Hexagon 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.

2. Specification

Head Markings	Grade or Class	Material	Nominal Size Range	Mechanical Properties
			(Inches)	Proof Load(psi)	Minimum Yield Strength(psi)	Minimum Tensile Strength(psi)
American Bolts
	Grade 5	Medium Carbon Steel, Quenched and Tempered	1/4 thru 1	85,000	92,000	120,000
3 Radial Lines			Over 1 thru 1-1/2	74,000	81,000	105,000

3. Application

Hex bolts can be used for many different applications that include fastening wood , steel, and other construction materials for projects such as docks, bridges , highway structures, and buildings. Hex bolts with forged heads are also commonly used as headed anchor holts .

Portland Bolt manufactures hex bolts from 1/2″ diameter through 2-1/2″ diameter in most ASTM, AASHTO, and SAE specifications. Special tooling can be created to produce nonstandard head dimensions or bolt heads with your company’s name and/or logo.

4. Advantages

The Special technology treatment of the surface makes the product anti-corrosion , antirust and durable.