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Ningbo Hewcho Industrial Limited.
Cold Forging Bolts

Cold Forging Bolts

Basic Info.
Trade Term: EXW,FOB,CIF.CFR
Payment Term: T/T,L/C, Western Union
Delivery Time:7-30days
Place of Origin: Ningbo, China
  • Cold Forging Bolts
  • Cold Forging Bolts
  • Cold Forging Bolts
  • Information About HEWCHO Cold Forging Bolts

Features of cold formed parts:

·Product name: Cold Forging Bolts
·Material: Carbon Steel, Stainless Steel, Alloy Steel
·Machining Tolerances:0.01mm
·Machining Process:
Cold Forging, Hot Forging, CNC Turning, CNC Milling, Grinding, Threading, Tapping, Bending
·Min. Order:50,000PCS
·Surface Treatment: Polishing, Heat Treatment, Sand Blasting, Zinc Plated, Anodization, Chemical Film,
·Packing: Carton Box, Blister tray, Pallet, Wooden Case.
·Certificate:ISO9001:2008, ISO/TS16949

As a China cold forming supplier, we provide cold forging bolts.

Cold Forging Bolts

What we can Provide: CNC Turning Service Machining Material: Stainless Steel
CNC Machining Service Carbon Steel
CNC Turning Service Stainless Steel
CNC Milling Service Aluminum
Cold Forging Service Brass
Metal Stamping Service Copper
Titanium Alloy
Surface Treatment Surface Treatment Application: Automobile Spare Parts
Heat Treatment Automobile Spare Parts
Sand Blasting Electrical Appliance Industry
Polishing Electronics Industry
Zinc Plated General Industry
Anodization Machinery and Equipment
Chemical Fim Hydraulic and Pneumatic

Cold Forging Bolts: machining parts, cylindrical threaded fasteners with nuts. A type of fastener consisting of two parts, the head and the screw (cylindrical with an external thread), which is required to cooperate with the nut and is used to fasten two parts with through holes.

According to the way of the connection of the force: points for ordinary and hinged holes. According to the shape of the head: Hexagonal head, round head, square head, countersunk head and so on. The hexagon head is the most commonly used. General counters are used where connection is required.

There are two kinds of coarse teeth and fine teeth according to the thread profile, and the coarse teeth are not displayed in the bolt marks. The bolts are divided into 3.6, 4.8, 5.6, 5.8, 8.8, 9.8, 10.9, and 12.9 grades according to the performance grade. Among them, bolts of grade 8.8 or higher (including grade 8.8) are made of low carbon alloy steel or medium carbon steel and heat-treated (quenched) + Tempering), commonly known as high-strength bolts, grade 8.8 (excluding 8.8) commonly known as ordinary bolts.

Bolts are indispensable in everyday life and industrial manufacturing. Bolts are also called industrial rice. The use of bolts is widely seen. Bolt applications include: electronic products, mechanical products, digital products, electrical equipment, mechanical and electrical products. Bolts are also used in ships, vehicles, hydraulic engineering, and even chemical experiments.

Ningbo Hewcho Industrial specialize produce customized non-standard cold forging bolts. The main types are as below:
hex-bolts flange-bolts u-bolts j-bolts
Hex Bolts Flange Bolts U Bolts J Bolts
d-head-bolt-for-automobile-spare-parts socket-shoulder-bolts heavy-hex-bolts socket-head-bolts
D Head Bolts Socket Shoulder Bolts Heavy Hex Bolts Socket Head Bolts
square-head-bolts main-bearing-cap-bolts 12-point-bolts camshaft-cap-bolts
Square Head Bolts Main Bearing Cap Bolts 12 point bolts Camshaft Cap Bolts
con-rod-bolts crank-shaft-bolts cylinder-head-bolts flywheel-bolts
Con Rod Bolts Crank Shaft Bolts Cylinder Head Bolts Flywheel Bolts
gear-flange-bolts long-bolts main-bearing-cap-bolts
Gear Flange Bolts Long Bolts Main Bearing Cap Bolts

Machining Tolerances
According to custom requirement. Normally the diameters tolerance is ± 0.05mm.Length tolerance is ±0.1mm.But in many cases, we can achieve: diameters tolerance is ±0.02mm.Length tolerance is ±0.05mm

Material Selection:
Normally used carbon steel 35# or 45# ,Stainless Steel:304 or 316.According to customer requirement use Aluminum and Brass

Surface Treatment:
 Heat treatment, Zinc Plated, Zinc-Nickel Alloy Plated, Chrome Plated

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  • TEL:+86 574 62387787
  • FAX:+86 574 62387788
  • EMAIL: info@hewcho.com
  • ADDRESS:No.13 Baiheqiao Rd,L ubu Town, Yuyao City,Zhejiang Province, China
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