Heavy-Duty Custom Steel Tension Spring Hooks for Reliable Performance

• Customization: Available
• Condition: New
• Certification: ISO9001
• Model NO.: HS138 extension springs with hook
• Standard: DIN, ASTM, GOST, GB, JIS, ANSI, BS
• Customized: Customized
• Material: Metal
• Application: Metal Cutting Machine, Metal Processing Machinery Parts
• Selling Units: Single Item
• Single Gross Weight: 1.000kg
• QC Control: 100%QC
• Product Name: Extension Springs with Hook
• Delivery Time: 15days
• Size: Customized Size
• Tolerance: as Per Customer Need
• Single Package Size: 30X30X20cm
• Surface Treatment: Zinc Plating,Anodizing,Chrome Plating,Powder Plati
• OEM/ODM: Accecpted
• Transport Package: Sea or Air
• Specification: customized
• Trademark: Haojun
• Origin: Jiangsu, China

Product Description

Product Description

Factory Factory Spring Custom 304 Stainless Steel Double Hook Long Hook Long Precision Universal Tension Spring Tension Retractor

Products Details

Material	Carbon steel(SWC),Alloy steel SEA9260/9254/6150/SUP9/SUP10/SUP12,51CrV4,stainless steel,Music wire/piano wire(SWP);beryllium copper etc.
Outer Diameter	0.2~85mm
Surface Finish	Zinc/Chrome Plating, Anodizing,Powder Coating,Electrophoretic painting etc.
Process	Material purchased-Producting-First Testing-Coiling-Inspection-Heat Treatment-Cleaning-Surface Treatment-Final testing-Packing-Shipping
Application	Industrial/auto/Motorcycle/electronics/electric power/Toys/Sports goods/Machinery equipment etc.
Packing	Inner packing with plastic bags,and then carton boxes for outer packing,at last wooden or plastic pallets for request
Small Quantity	Is acceptable
Tolerance	As per drawing
Quality Control	Full Inspection

Product Feature 

1.Different material capability.

2.Wide range of products, fast sampling and prompt delivery. 

3.Precision custom springs as per customer's drawings.

4.Precise tolerance as per request.

5.Varieties of surface finish can meet customer's need.

6.Full inspection before shipment.

 

Product Paramenters

1.Material Capability

Aluminum	Aluminum 5052  Aluminum 7075  Aluminum 7075-T6  Aluminum 6063-T5  Aluminum 7050-T7451  Aluminum MIC-6  Aluminum 6061-T6  Aluminum 2024-T3
Steel	Alloy Steel 4130 Alloy Steel 4140 ASTM A36 Stainless Steel 15-5 Stainless Steel 17-4 Stainless Steel 18-8 Stainless Steel 303 Stainless Steel 304 Stainless Steel 316/316L Stainless Steel 416 Stainless Steel 420 Steel 1018 Steel A36
Brass	Brass C360 Brass 260
Copper	EPT Copper C110 Copper 101

2.Customized Service

*Custom Springs

*3/4/5 axis CNC milling/machining service;
* CNC turning/lathing service;
* CNC prototyping service;
* Plastic/Metal 3d printing service;
* Plastic mold design & making service;
*Plastic injection molding service;
* Casting service.

3.Surface Treatment

Surface Finish	Material Avaiable
Machined	All metals
Smooth	All metals+Plastic (e.g aluminum, steel,nylon, ABS)
Powder Coating	All metals ( e.g aluminum, steel)
Brushing	All metals ( e.g aluminum, steel)
Anodized Hardcoating	Aluminum and Titanium alloys
Electropolishing	Metal+plastic (e.g aluminum, ABS)
Bead Blasting	Aluminum and Titanium alloys
Anodized Clear or Color	Aluminum and Titanium alloys
Chrome /Zinc/Nickel Plating	Steel and Brass

4.Spring Types

Various Custom Springs

We accept a variety of styles of spring customization,
if you want to custom,please kindly supply bellow information:
♦ Spring type
♦ Material
♦ Wire diameter
♦ Surface treatment
♦ Inner diameter and outer diameter(ID and OD)
♦ Free length and work length
♦ Total coils and active coils
♦ Application
♦ Quantity
Of course, a detailed spring drawing is the best.

Related Products

 

 

 

 

Company Introduction

Changzhou Haojun Technology Co., Ltd locates in west Shanghai,focus on providing one stop solutions for metal and plastic products.

We are committed to help customer realize the concepts and designs with support of our engineering and manufacturing advantages that includes projects and processes as :

---Casting and Forging

---CNC Machining

---Stamping and sheet metal fabrication

---Springs

---Plastic injection molding

 

1.CNC Machining and Springs Workshop

2.Quality Control

1) Checking the raw material after they reach our factory
2) Check the details before production
3) Full inspection and routing inspection during mass production
4)Checking the goods after finished
5)Checking the goods before shipment

 

Packing&Shipping

Fully packed well before shipment to avoid damage during shipment.

We can also packing as per customer's requirement.

---Plastic or Bubble bags

---Small cartons

---If needed for heavy products, we will use pallet or wooden box .

Our Advantages

1) Design assistance and full engineering support .
2) Professional at OEM & ODM parts .
3) After sales service.
4) Advanced machine tools, CAD/CAM programming software.
5) Prototype machining capabilities.
6) Strict quality control standards with a highly qualified inspection department .
7) Continually upgrading and advancing our equipment to remain competitive .
8)Perfect for low to mid sized production volumes.

FAQ

Q1: Where can I get product & price information?
A: Send us an inquiry e-mail, we will contact you as we receive your mail.

Q2: How long can I get the sample?
A: Depends on your specific items, within 15 days is required generally.

Q3: What's kinds of information you need for a quote?
A: Kindly please provide the product drawing in PDF or .IGS or .STEP.

Q4: what's the payment terms?
A: We accept 30% as payment deposit and balance paid before shipment.

Q5. Are you a trading company or factory?
A: We are a direct factory with experienced engineers and employees .

Q6. What shall we do if we do not have drawings?
A. Please send your sample to our factory, then we can copy or provide you better solutions. Please send us pictures or drafts
with dimensions (Length, Height, Width), CAD or 3D file will be made for you if placed order.

Q7. Can we get some samples before mass production?
A: Absolutely

Q8. Will my drawings be safe after sending to you?
A: Yes, we will keep them well and not release to the third party without your permission.

Q9: Is it possible to know how are my products going on without visiting your company?
A: We will offer a detailed production schedule and send weekly reports with pictures or videos which show the machining progress.