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M12 M16 Carbon Steel Bolt High Hardness A325 A307 GR2 GR5 ASTM 193 B7

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M12 M16 Carbon Steel Bolt High Hardness A325 A307 GR2 GR5 ASTM 193 B7

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Price :	0.26USD-0.35USD
Supply Ability :	50000 pcs a week
Delivery Time :	15days

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M12 M16 Carbon Steel Bolt High Hardness A325 A307 GR2 GR5 ASTM 193 B7

M12 M16 Carbon Steel Bolt Iron Steel Wheel Bolt A325 A307 GR2 GR5 ASTM 193 B7

Product Specifications

Attribute	Value
Name	Metal Bolt
Standard	DIN, ASME, ANSI, ISO
Material	Steel, Stainless steel, Brass, Copper, Titanium Alloy, Plastic
Place of Origin	China
Finish	Polish, Passication, Black, Galvanization
Certificate	ISO9001:2008, ROHS

Product Description

M12 M16 Carbon Steel Iron Steel Wheel Bolt A325 A307 GR2 GR5 ASTM 193 B7 Black Oxide

Description

Hub nuts are special nuts used to fix the outer hubs of cars. Due to the uncertainty of automotive nuts, there is no national standard for automotive nuts. However, the general models are roughly the same as ordinary hexagonal nuts, and there are various models ranging from M12 to M42.

Compared with ordinary hexagonal nuts, hub nuts are generally thicker than hexagonal national standard nuts of the same specification, and they are usually fine threads. The thread pitch is roughly 1.5 millimeters and 2.0 millimeters. The shape is the same as that of hexagonal nuts, which is an equal-sided hexagon. However, there is a taper at one end of the nut.

Surface color category: According to different needs, the surface has plated white, army green, color yellow, corrosion resistant Dacromet.

Flange type: According to the use of flange bolts in different positions, the size of the plate requirements are different. It needs to be combined with the nut to fasten the parts connecting two through holes, so the bolt connection is a detachable connection.

Hexagonal head type: One is flat brain, the other is concave brain.

Applications

Hub bolts are high-strength bolts that connect the wheels of a vehicle. The connection position is the hub unit bearing of the wheel!

Automotive	In high-strength applications such as automotive engines, heavy-duty machinery, and bridge construction, they are preferred for their larger support area and better anti-loosening performance.
Mechanical	Mechanical, electronic, automotive, construction and other fields, used to connect various mechanical parts, circuit boards, engines, transmissions, building structures, etc.
Energy	For the energy industry, brackets and fixtures used to connect power generation equipment and transmission lines.
Architectural	In the field of construction engineering, shipbuilding, and petrochemical industry, it is used to connect building structures, improve the navigation safety and stability of ships, and ensure the safety and stability of petrochemical equipment.

Material Specifications

Aluminum	Aluminum has excellent thermal and electrical conductivity. However, aluminum is naturally soft and may produce gelatinous buildup after processing. If not properly operated, it is difficult to cut during processing.
Titanium	EDM machining is well suited for titanium because the process can withstand the viscosity of this alloy and break down lengthy chips. However, deionized water is needed as a medium to help control the heat generated during processing.
Steel	Steel is a very strong metal, and many manufacturers tend to use wire cutting machines instead of CNC machines for machining complex steel features. However, this material generates a lot of heat, so necessary precautions need to be taken.
Brass	Brass has a high tensile strength and is easy to cut by machine. But the cutting speed should be slow because it is a soft metal.

Feature Advantages

Hub bolts are high-strength bolts that connect the wheels of a vehicle. The connection position is the hub unit bearing of the wheel! Generally, 10.9 grade is used for mini cars, while 12.9 grade is used for medium and large vehicles!

The structure of hub bolts is generally composed of knurled spline gears and threaded gears! And a hat head! Most T-shaped head wheel hub bolts are of grade 8.8 or above, and they are responsible for the large torque connection between the car wheel hub and the axle!

Most double-ended wheel hub bolts are of grade 4.8 or above, and they are responsible for the connection between the outer wheel hub housing and the tires of the vehicle with relatively light torque.

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