Equipment: State of the art CNC wire forming capability as well as conventional springs coiling machines.. Normal ratio between wire diameter and inside diameter is 1: 2.5, and we have Successfully achieved 1: 1
National Hose thread (NH) couplings, also known as National Standard Thread (NST). It is the most common type of fire hose coupling used in the United States. The male and female straight (non-tapered) threads screw together and the connection is sealed with a gasket.
NH Coupling include brass and aluminum NH couplings
NH couplings were used widely in Canada, USA and South American zone.
Main sizes include 1.5``,2`` and 2.5``.
NH Coupling NH Coupling,NH Standard Coupling,NH Hose Coupling,NH Fire Hose Coupling NANTONG SENTIAN FIRE-FIGHTING EQUIPMENT CO.,LTD. , http://www.firehose.cn
1.wire diameter
0.3mm-18mm
2.Material
Stainless stell,Alloy spring wire,Carbon steel wire,oil-tempered spring wireÂ
3.MOQ
1000pcs
4.Equipment
CNC coil machines & fatigue tester & loaf tester & salt spray tester &hardness tester
5.Delivery time
in 30 days
6.Supply ability
1000000/year
7.Packing
GOLDSTAR/Neutral Packing
8.surface treatment
Galvanized,suface powdering,shot peening
9.Inspection
Fatigue test,Load test, Salt spray test,Hardness test
10.Usage
Auto,machine, Equipment, Gifts, Arts and Crafts, Electrical Appliances, Switches,Industrial
11.Period validity
one year
12.The material and specification could be chosen by customers 13.Certain distount offered with large quantity. 14.We provide the excellent quality and the low price,punctual shipment.
Founded date: Established in 1984,and have 34 years experiences in spring production
Business Range: Tools&Hardware
Main Products: Coil Spring
if you are interested in our products, you may send emails with your drawings and specifications about the spring you need to us. The details of springs include wire diameter, outer diameter, free length, total turns, active turns, material, surface finish, quantity, and wire diameter,outer diameter, total turns and quantity is very necessary.
Why choose Goldstar?
BUSINESS FAQ
1. Can I negotiate the prices?
Yes, we may grant discount for FCL of mixed products or bulk orders of individual products. Sometimes, we may launch some promotion, more discount would be granted.
2. What is the minimum order quantity?
The MOQ of spring has been indicated on the product page, we can accept small orders, prices will be higher, though.
3. How long do you need for production and delivery?
Normally, for regular designs and models, we need 20-30 working days to produce after receive your deposit and all order details are confirmed. Different order quantity, different delivery time, please confirm with us when you are ready to place an order.
Transportation by sea or by air, Customs clearance and inland transportation will need, another 20-30days. So please place orders in advance to make sure you have products to sell on busy season.
4. Payment terms:
Standard term is 30% deposit by T/T in advance, pay the balance before shipment. Long-term business partners can get better terms like LC, N.E.T
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Model NO.: GS315
Compression Spring Shape: Cylindrical
Diameter Coil Spring: Small coil spring
Production Process: Cold Roll
Shape: Cylinder
Trademark: GOLDSTAR
Transport Package: Carton, PP Bag, Wooden Pack
Specification: Customize
Origin: Zibo, Shandong
HS Code: 7320209000
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