M4x30 Heavy duty spring pin ISO8748 elastic cylinder pin DIN7344 coiled spring pin spirol black phosphated roll pin coiled parallel pin ASME cotter pin spiral pinused in machinery railway aviation automotive industry agriculture tools furniture mining plastic
Coiled pins are commercially available in three different duties, standard (ISO 8750), heavy (ISO 8748) and light duty (ISO 8751), which provide for a variety of combinations of strength, flexibility and diameter to suit different mating host materials and performance requirements. Typical materials for coiled spring pins include high carbon steel, stainless steel.
Coiled pins are used extensively in cosmetic cases, automotive door handles and locks, and latches as hinge pins. They are also used as pivots and axles, for alignment and stopping, to fasten multiple components together—such as a gear and shaft—and even as ejector pins to remove motherboards from PCs. The automotive and electrical industries use coiled pins in such products as steering boxes and columns, pumps, electric motors and circuit breakers.
Passivated pins offer added protection against corrosion and oxidation.
| Material | 65Mn |
| Finish | phosphate |
| Shape | cylinder |
| size | 4mm |
| length | 30mm |
| Standard | ISO8748 |
| Specification | from size1.5 to 12mm |
| Color | black |
| Hardness | as per the standard |
| Certificate | ISO9001 |
| Application | automotive industry, wind power machinery, engineering machinery, electrical tool, electrical appliance, general machinery etc. |
| MOQ | negotiable |
| Price | negotiable |
| Place of origin | Anhui, China |
| Freight | by sea |
| Shipping | FOB Shanghai |
| Lead time | 30 days |
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FAQ
Q: Are you trading company or manufacturer?
A: We are factory.
Q: What is your payment method?
A: T/T. For small order less than 1000USD, 100% in advance to reduce the bank charges. For order more than 1000USD, 30% in advance and balance before shipment.
Q: Can you provide a sample?
A: Yes, our sample is provided free of charge, but not including the cost of freight.
Q: What's your delivery time?
A: Generally 15 days if the goods are in stock. If not in stock we’ll need 30 working days to produce. It depends on quantity.
Q: How to Custom-made?
A: If you have a new product drawing or a sample, please send to us, and we can custom-made for you. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.
Q: Which mode of transport would be better?
A: In general, we advice to make delivery by sea. Also we respect your views of other transportation as well.
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Elastic Cylinder DIN7344 Coiled Spring Pin Spirol Black Phosphated Images
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