Black Zinc Shoulder Step Screws Slotted Round Head Square Neck Carriage Bolts
Product Parameters
| Product Name |
Black Zinc Shoulder Step Screws Slotted Round Head Square Neck Carriage Bolts |
| Surface treatment |
Plain |
| Material |
Carbon Steel |
| Head Style |
Round Head |
| Standard |
DIN, GB, ISO, JIS, BA, ANSI, Non-standard |
| Length |
OEM according to your request |
| Thread Size |
M1 to M16 |
| Grade Available |
Grade4.8, 6.8, 8.8, 10.9, 12.9.OEM according to your request |
| OEM/ODM |
YES |
1: What materials do you guys offer your screws in?
Typically our screws are carbon steel, stainless steel, titanium, copper, aluminum.
2: Do you only produce screws?
Currently, we also provide customized long screws, special screws, other screws, and fasteners that are difficult to find.
3: How do you control the quality?
During the production process, every procedure is inspected at any time to ensure that the size and appearance of the products meet the customer's requirements. Can provide online video real-time feedback production progress and dimension check.
4: I'm working on a tight deadline and I need screws ASAP. Can you help me?
We normally have a 10-17 working days lead time for all custom screw orders. For some applications, we can expedite to 2-5 working days. Please ask for details.
5: I am not sure what screws should be used, I need a little engineering help. Do you provide assistance?
We have a complete engineering department to provide you with the most suitable screws according to your products. Contact the engineer now.
6: I need to customize the screw, but the screw is not listed on your website. what should I do?
Our professional engineers can design professional drawings according to your needs, and can also produce according to the drawings you provide.
7: What types of payments do you accept?
We currently accept wire transfers, PayPal, and credit cards.
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