Passivated Finish M8 Double Hexagon Nut Fastening For Industrial Applications
Our M8 double hexagon nuts follow international standards, fitting M8 bolts perfectly. This simplifies procurement and ensures a secure connection. The double hexagon shape offers a larger grip area for wrenches, allowing for higher torque application.
Long-Lasting Passivated Finish
Passivation forms a protective oxide layer on the nuts, shielding them from corrosion. In harsh industrial environments, this is essential as corrosion can quickly damage fasteners. Our passivated nuts maintain their integrity in chemical plants, marine settings, and outdoor projects.
High-Quality Materials and Production
We use premium-grade steel known for its strength, toughness, and fatigue resistance. Our state-of-the-art facility, with advanced machinery and skilled technicians, ensures every nut meets strict quality standards.
Stringent Quality Checks
Each nut is inspected for dimensions, thread quality, and surface finish. We conduct torque-tension, corrosion resistance, and fatigue tests. Only nuts passing all tests are shipped, guaranteeing reliable performance.
Wide-Ranging Applications
- Automotive: Securing engine and body parts
- Construction: Vital for steel frameworks and heavy-duty equipment
- Manufacturing: Fastening components in machinery and production lines
- Energy, aerospace, and marine industries
Specification
| Available Material |
1. Stainless Steel: SS303, SS304, SS316, SS410, SS420
2. Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045
3. Brass: C3602,C3604,Hpb59,Hpb62,Hpb65,Hpb58,Hpb70
4. Aluminum: Al6061, Al6063 etc or as your requirements
|
| Head type |
CSK Head, Pan Head, Truss Head, Hexagon Head, Round Head, Oval Head, Button Head, Cap Head, Cheese Head, etc. |
| Hardness |
Carbon Steel: HRC:28~35, HV450~700
Alloy Steel: HRC:32~39(grade10.9) HRC:39~44(grade12.9)
|
| Finish |
Zinc plated, Nickel plated, Bronze, Copper, Phosphate, Oxidation black, Passivation, Tin, Dacromet, Gold, Chrome, Silver, Phosphorization, Zinc-nickel alloy plated etc. |
| Sample Available |
The sample is free of charge if we have the existing tooling, you only need to pay for the freight cost |
| Delivery time |
Samples time 3-5 working days, Lead time 20-25 working days |
| Pricing Term |
EXW Dongguan(FCA), FOB, CIF, CNF, DDU, etc. |
| Packing |
Bulk in PE bag or Small boxes, then in carton, pallet |
| Payment term |
TT (30% in advance as deposit, balance before delivery), L/C, Western Union, PayPal etc |
| Management system |
ISO9001:2015 |
| Certificate |
ISO, ROHS |
Why Choose Us
Company Profile
FAQ
Q1: What is your main products and material supply?
A1: Our main products are Electronic screws, Sems screws, Tapping screws, Chicago screws, Shoulder screws etc. Special Non-standard studs, Turning parts and High-end precision complex CNC Machining parts etc.
A2: Carbon Steel, Alloy Steel, Aluminum alloy, Stainless Steel, Brass, Copper, Titanium alloy or according to your requirement.
Q2: When can I get the price?
A: We usually offer you a quotation within 12 hours, and the special offer is not more than 24 hours. Any urgent cases, please contact us directly by phone or send email to us.
Q3: What about the transportation and delivery date?
A: If the weight of goods more than 80kg, Normally we use shipment to transport the orders. It is about 20-30days. If the weight of goods less than 80kg, or there are urgent, we can send the goods via air express, It is 3~5 days.
Q4: What's your packing? What to do in case of damaged goods during transport?
A1: Our Normal packing is bulking in Cartons, less than 20 kgs/carton, 48 cartons / pallet. We also can pack products according to your requirement.
A2: To avoid any subsequent trouble regarding quality issue, we suggest you check the goods once you receive them. If there is any transport damaged or quality issue, don't forget take the detail pictures and contact us as soon as possible, we will properly handle it to make sure your loss to reduce to the smallest.
Q5: Can I get discounts?
A: Yes, for big order, frequent customers, we give reasonable discounts.
Q6: Do you have enough capacity?
A: Our production equipment is a new imported equipment. We have a group of skilled workers who have been working for more than 10 years. Their production experience is very rich and their skills are very skilled. The screws can be 30 million pcs/month. We have sufficient funds to ensure the normal operation of the factory.
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