| Customization: | Available |
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| Material: | Carbon Steel |
| Type: | Hexagon Head |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Payment Methods: |
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| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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Product Description
Hex head bolt DIN931 DIN933
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Material
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1.Stainless Steel: SS304, SS316 2.Steel: C45(K1045), C46(K1046), C20 3.Carbon Steel: 1010,1035,1045 4.Aluminum or Aluminum Alloy: Al6061, Al6063, Al7075, etc 5.Brass: H59, H62, Copper, Bronze |
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Surface Finish:
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All kinds of surface treatment are available like chrome plating, zinc plating , nick plating , powder coating, e-coating, dip coating, mirror polishing, etc.
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Application
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Electronic/Appliance/Auto/Industrial equipment metal stamping hardware parts
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Processing
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Our process includes tooling fabrication, stamping, deep drawing, punching, spinning, laser cutting, bending, seamless welding, machining and assembly
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Available Certificate
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ISO 9001, SGS, Material Certificate
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Accident Prevention
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Safety Operation Management
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Quality Control
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Liability System and Periodical QC on line every hour
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Lead Time
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20-35 work days after order confirmed
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WJ is a manufacturing-and trading-integrated company located in Wenzhou, China. We are specialized in developing and manufacturing all kinds of fasteners. Our main products include bolts, studs, screws, nuts, shafts, pins, washers, retaining rings, and other categories.
WJ also customizes all kinds of non-standard products. We focus on technology development and product optimization and have advanced production research and development testing equipment.
You are welcome to send us an inquiry to get more information.
√ Over 15 years fastener OEM service experience
√ Quick response to inquiries and questions
√ Strict QC process and Testing process
√ Free sample available
√ Package customizable
| NO. | Experimental project | Testing standards (Methods) | Explanation |
| 1 | Chemical composition analysis | Determination of multi-element content in Carbon Steel, medium and low carbon steel and medium and low alloy steel by Spark Discharge Atomic Emission Spectrometry (Conventional Method)GB/T 4336-2016 | Testing items for metal materials and their products |
| 2 | Decarbonization test | Determination Method of Decarburization Layer Depth of Steel GB/T 224-2008 | Testing items for metal materials and their products |
| 3 | Organization rating | Grading Diagrams and Evaluation Methods for Metallographic Structures of Steel Die Forgings GBTT13320-2007 | Testing items for metal materials and their products |
| 4 | Tensile strength | Metallic materials - Tensile testing - Part 1- Test methods at room temperature GB/T 228.1-2010 | Testing items for metal materials and their products |
| 5 | Yield strength | Metallic materials - Tensile testing - Part 1- Test methods at room temperature GB/T 228.1-2010 | Testing items for metal materials and their products |
| 6 | Elongation after fracture | Metallic materials - Tensile testing - Part 1- Test methods at room temperature GB/T 228.1-2010 | Testing items for metal materials and their products |
| 7 | Reduction of area | Metallic materials - Tensile testing - Part 1- Test methods at room temperature GB/T 228.1-2010 | Testing items for metal materials and their products |
| 8 | Guarantee the load | Mechanical properties of fasteners: Nut GB/T 3098.2-2015 | Testing items for metal materials and their products |
| 9 | Wedge load | Mechanical properties of fasteners - bolts, screws and studs - GB/T 3098.1-2010 | Testing items for metal materials and their products |
| 10 | Luo's hard crossing | Metal Rockwell hardness test - Part 1: Test methods (A, B, C, D, E, F, G, H, K, N, T standard R)GB/T 230.1-2009 | Testing items for metal materials and their products |
| 11 | Vickers hardness | Vickers hardness test for metals - Part 1: Test method GB/T4340.1-2009 | Testing items for metal materials and their products |
| 12 | Destructive torque | Fastener machine inspection performance: Torque test and breaking torque of bolts and screws, nominal diameter 1-10mm, GB/T 3098.13-1996 | Bolt/self-tapping screw |
| 13 | Salt spray test | Artificial atmosphere corrosion test - salt spray test GB/T10125-2012 | Testing items for metal materials and their products |
| 14 | Coating thickness measurement | Method for measuring the Thickness of Metal Coatings by X-ray Spectroscopy GB/T16921-2005 | Testing items for metal materials and their products |
| 15 | Depth of carburized layer | Mechanical properties of fasteners - Self-tapping screws GB/T 3098.5-2016 | Self-tapping screw |
| 16 | Determination of the coefficient of friction | Torque clamping force test for tight round parts ISO 16047-2005 | Bolt/Nut |
What is your delivery time?
It depends. If we have bulk goods in stock, we can ship goods within 3 days after the QC process. If we don't have stock, normally it takes 7-15 days for OEM samples and 20-30 days for bulk goods. If it refers to opening the new mold, it takes an extra 7-15 days to make the mold.
What are your payment terms?
Normally, we make a 30% deposit after PI confirmation and a 70% balance before shipment.
How do you guarantee good quality?
A pre-bulk sample check can solve this problem to the largest extent. We will arrange production according to the pre-bulk sample quality standard after your confirmation of the samples.
What Price term do you offer?
FOB , CIF ,EXW and others ways according the your needs.
How transport?
You can choose Sea Freight, Air Freight and others Express Delivery ways.
---Send a sample if you have no drawing.Click "Contact us",we are here to help you.
Send a mail or call us by following details information,it will help us to give the best offer to you.
• Product Size: _______
• Fastener type: Head_______Driver_______Thread_______And specific_______
• Order Quantity: _________________pcs
• Heat treatment:______ Class or ______ Hardened
• Surface treatment: _________________
• Material: _________________
• When do you need it by? __________________
• Where to Shipping: _______________Port and Country
• Drawing with 2D or 3D (Pdf,jpg,png,Ug,Solidwork,Word Or any type)
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