M6 Stainless Steel Coupling Nut DIN Standard 6.8 Grade 30mm Length
Price:
$0.05/pieces 1000-9999 pieces
MOQ:
50000
Delivery Time:
7~15 Working Day
Brand:
FineExpress
Product Description
M6 Long Stainless Steel Round Coupling Nuts Polished Finish Durable Material
Factory Price M6 Long Stainless Steel Round Coupling Nuts
Product Overview
Our M6 Long Stainless Steel Round Coupling Nuts are engineered to join threaded rods, bolts, or studs in demanding environments. Made from premium stainless steel (A2/A4 grades), these nuts offer superior corrosion resistance, high tensile strength, and a factory-direct price for bulk buyers. Ideal for extending fasteners in machinery, construction, marine, and automotive applications where durability and precision alignment are critical.
Key Features
-
Stainless Steel 304/316 Construction
- Corrosion Resistance: Withstands saltwater, chemicals, and humidity (Grade 316 recommended for marine/chemical use).
- High Tensile Strength: 700-800 MPa (A2/A4 grades) for heavy-load connections.
-
Extended Length Design
- Long Grip Range: Connects threaded rods or bolts seamlessly (standard length: 30mm-100mm, customizable up to 200mm).
- Smooth Internal Threads: Precision-cut threads ensure consistent torque and alignment.
-
Cost-Effective Bulk Pricing
- Factory-Direct Rates: Competitive pricing for OEMs, contractors, and distributors.
- MOQ: 1,000 units (custom orders); standard sizes ship in 7-10 days.
-
Certified Quality
- ISO 3506 (Stainless Steel Properties), ISO 9001, RoHS, and ASTM F594 (Nuts) compliant.
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 |
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.
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 20-30 days. 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.
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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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Finexpress Precision Manufacturing (dongguan) Co., Ltd
Location
Building 2, No. 129 Xinmalian Xinma Road, Dalang Town, Dongguan, Guangdong, China
Contact Person
Irene chen