
Product Details
Name  |
Hex coupling nuts |
Length  |
3-2000mm, and other length can be made for you |
OEM/ODM Â |
We can custimize all types according to customers' drawings or samples |
Head  |
Flat head/countersunk head/T head and so on |
Diameter  |
M2-M30, other size can be made |
MOQ Â |
1000pcs |
Application  |
Mechanical equipment,tele-communications equipments,robot,computer cases and cabinet,electrical appliances |
Surface finishing |
Zn-plated,ni-plated,tin-plated,chrome plated,passivated,sandblast and anodize,chromate,polish,electro painting,black anodize,plain,H.D.G,etc. |
This product material  |
Stainless steel/carbon steel and so on |
Other available materials |
1.Stainless steel:SS302,SS303,SS316,SS410,SS420,SS430,etc. Â |
2.Steel:C45(K1045),C46(K1046),C20,etc. Â | |
3.Brass or brass alloy:H63;H65;H68;H70;H90,etc. Â | |
4.Bronze:C51000,C52100,C54400,etc  | |
5.Iron:1213,1214,1215,etc. Â | |
6.Aluminum or alumium alloy:AI6061,AI6063,etc. Â | |
7.Carbon steel:C1006,C1008,C1010,C1018A,C1022,C1035K,C1045K,etc. Â | |
8.Titanium or titanium alloy:TAD,TA1-TA8,TB2,TC1-TC10,etc. Â | |
9.Silver or silver alloy:AgCu3,AgCu7.5,AgSn3-5,AgPb0.4-0.7,AgPd3-5,AgNi10,etc. Â | |
10.Alloy steel: SCM435,10B21,40Cr,etc. Â |
Production Process

Packaging Details
Â
Packing  |
Inside poly bags packing and the standard export packing or according to customer's requirement |
Delivery time  |
Regular product is about 5-20days, custom product will according to special requirement. |

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Company Profile
Dongguan Wanjin Hardware Products Co., Ltd. is specialized in non-standard parts manufacturer, located in China.
Our products include long screws, long bolts, CNC lathe parts, stamping parts. The applictaions include New energy, Automotive, Motor mechanical and electrical, sports equipment, Mechanical equipment, baby products, household appliances, furniture, electronic products.
We have our own R & D team, we have 2 design engineers and 5 technology developers. Our engineers have 20 years of experience in designing, developing and manufacturing a variety of non-standard custom fasteners.
Our company strict implementation of I S O quality management. We are direct custom production of non-standard screw fastener factory. We can customize any kind of screws according to your design. We provide all kinds of OEM, design services, buyer label services. We have a complete foreign trade service team providing 24-hour online service. We provide life-long service, as long as you are our customers, we will do our best to help you to solve the problem.

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Factory Equipment
Our factory's equipment is very completed and good for quality. We have image tester, head machine, falt milling machine, driller, HRC&HRB machine and so on, welcome to cheack our factory and machine.
Â
Company Certification
Our products meet the standard of SGS, ISO, ROHS AND so on certifications, some pictures of certificates for your check as follow
FAQ
Â
1.You are a manufacturing company or trading company?
---We are manufacturer. So our prices are very reasonable.
Â
2.What quote do you offer?
---FOB , CIF and others ways according the your needs.
Â
3.How pay?
---All of kinds Payment we all accept from you
Â
4.How transport?
---Sea Freight, Air Freight and others Express Delivery ways for you.
Â
5.Can I order a small list ?
---Of course,you can.
Â
6.Can we print our own logo ?
---Yes, we can print logo for you.
Â
7.What is the quality of your products guarantee?
---We have passed ISO9001:2008 Quality Management System Certification,    Â
  CQM Quality Management System Certification and          Â
  IQNet Quality Management System Certification,   Â
  If the quality doesn't  accord the standard, you can exchange the goods for free.
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8.Do you have after-sales service?
---Certainly,you can contact us at any time.

Product Details
Name  |
Hex coupling nuts |
Length  |
3-2000mm, and other length can be made for you |
OEM/ODM Â |
We can custimize all types according to customers' drawings or samples |
Head  |
Flat head/countersunk head/T head and so on |
Diameter  |
M2-M30, other size can be made |
MOQ Â |
1000pcs |
Application  |
Mechanical equipment,tele-communications equipments,robot,computer cases and cabinet,electrical appliances |
Surface finishing |
Zn-plated,ni-plated,tin-plated,chrome plated,passivated,sandblast and anodize,chromate,polish,electro painting,black anodize,plain,H.D.G,etc. |
This product material  |
Stainless steel/carbon steel and so on |
Other available materials |
1.Stainless steel:SS302,SS303,SS316,SS410,SS420,SS430,etc. Â |
2.Steel:C45(K1045),C46(K1046),C20,etc. Â | |
3.Brass or brass alloy:H63;H65;H68;H70;H90,etc. Â | |
4.Bronze:C51000,C52100,C54400,etc  | |
5.Iron:1213,1214,1215,etc. Â | |
6.Aluminum or alumium alloy:AI6061,AI6063,etc. Â | |
7.Carbon steel:C1006,C1008,C1010,C1018A,C1022,C1035K,C1045K,etc. Â | |
8.Titanium or titanium alloy:TAD,TA1-TA8,TB2,TC1-TC10,etc. Â | |
9.Silver or silver alloy:AgCu3,AgCu7.5,AgSn3-5,AgPb0.4-0.7,AgPd3-5,AgNi10,etc. Â | |
10.Alloy steel: SCM435,10B21,40Cr,etc. Â |
Production Process

Packaging Details
Â
Packing  |
Inside poly bags packing and the standard export packing or according to customer's requirement |
Delivery time  |
Regular product is about 5-20days, custom product will according to special requirement. |

Â
Company Profile
Dongguan Wanjin Hardware Products Co., Ltd. is specialized in non-standard parts manufacturer, located in China.
Our products include long screws, long bolts, CNC lathe parts, stamping parts. The applictaions include New energy, Automotive, Motor mechanical and electrical, sports equipment, Mechanical equipment, baby products, household appliances, furniture, electronic products.
We have our own R & D team, we have 2 design engineers and 5 technology developers. Our engineers have 20 years of experience in designing, developing and manufacturing a variety of non-standard custom fasteners.
Our company strict implementation of I S O quality management. We are direct custom production of non-standard screw fastener factory. We can customize any kind of screws according to your design. We provide all kinds of OEM, design services, buyer label services. We have a complete foreign trade service team providing 24-hour online service. We provide life-long service, as long as you are our customers, we will do our best to help you to solve the problem.

Â
Factory Equipment
Our factory's equipment is very completed and good for quality. We have image tester, head machine, falt milling machine, driller, HRC&HRB machine and so on, welcome to cheack our factory and machine.
Â
Company Certification
Our products meet the standard of SGS, ISO, ROHS AND so on certifications, some pictures of certificates for your check as follow
FAQ
Â
1.You are a manufacturing company or trading company?
---We are manufacturer. So our prices are very reasonable.
Â
2.What quote do you offer?
---FOB , CIF and others ways according the your needs.
Â
3.How pay?
---All of kinds Payment we all accept from you
Â
4.How transport?
---Sea Freight, Air Freight and others Express Delivery ways for you.
Â
5.Can I order a small list ?
---Of course,you can.
Â
6.Can we print our own logo ?
---Yes, we can print logo for you.
Â
7.What is the quality of your products guarantee?
---We have passed ISO9001:2008 Quality Management System Certification,    Â
  CQM Quality Management System Certification and          Â
  IQNet Quality Management System Certification,   Â
  If the quality doesn't  accord the standard, you can exchange the goods for free.
Â
8.Do you have after-sales service?
---Certainly,you can contact us at any time.
Material Selection:
1. Frame: 2MM thicknesses cold-roll Stainless steel.
2. Motor: Germany SEW brake motor (outer), power 0.75KW, power supply 220V.
3. Control system: Imported Japan Mitsubishi converter and PLC to control of electric box (150%1HZ)
4. Opening & closing speed: 0.6-1.5m/s (adjustable).
5. Safety Device: Korea Photocell Sensor, emergency stopping reaction when sensing obstacles.
6. Curtain: France high-density polyester fiber and the surface coating processing, thickness 0.8MM, variety colors can be chose: Red, yellow, blue, green, orange, gray, white, transparent, etc. Tensile strength: 4000/3500N/5cm, tear strength 600/600N. Fire-proofing level: German standard DIN75200 Usage temperature: -30 ° C +70 ° C.
7. Wind resistant: The Aluminium alloy Reinforce Girder to increase wind resistant effect.
8. Curtain replacement function: Aluminium alloy Reinforce Girder is loaded between 2 pieces Curtain, can be replaced easily if any curtain broken, save your cost.
9. Transparent window: 1.2MM thickness transparent PVC window, size and location is up to your request, more safer.
10. Seal: Seal brush are Installed inside the guides, and the special bottom design, to fit any uneven ground.
11. Cotrolling way: Push button + radar sensor, very convenient.
12. Limiting Switch: Mechanical limiting switch, easily and exactly.
13. Emergency STOP: With emergency stop button on control panel, can stop easily by
Hand once disconnect or accident
14 Fault recovery function: All Hongfa's production is with fault recovery function, system will self-recovery after power cut off.
15. Delivery time: About 7 business days with contract and deposit confirmed.
16. Pyament item: 50% before production, and the other 50% before shipment.
17. Warranty Details: We provide 12 months warranty for all doors and accessories (except man-made disasters, Irresistible natural disasters, ect^).
We have many professional engineers with rich experience, qualified products, perfect service system, and good cooperation relationship with many famous companies.
PVC high speed door, plastic roll up doors, high speed fabric roll up doors, high speed rolling doors, pvc roll up doors
SHENZHEN HONGFA AUTOMATIC DOOR CO., LTD , https://www.hongfarrud.com