Zinc Plated Carbon Steel Stainless Steel Hi-Lo Thread High Low Screw for Plastic Concrete

Product Description

We can produce kinds of screws like Drywall screws, Chipboard screws, Truss head screws, Hex head screws. Annealed wire and other steel products. We have 9 wire drawing production lines, 2 heat-treatment production lines, 135 machines for making head, 91 machines for making thread, 23 machines for making tails. It helps us offer a fast delivery time to our customers. Our annual production volume reaches 18, 000 tons. 80% of our products are exported. We Mainly export to Asia, South America, Russia, Middle East and other countries. We also can produce special screws according to our customers' requirements. Stable quality and good services are the development tenet we always adhere do. We will continue to practice win-win promise, commit to joint development with partners and create a better tomorrow together. Hope to see you in our Factory. 

 

 

 

 

 

High-Low Screw 

 

Type:	High-Low Screw
Definition:	A high-low screw is a thread-cutting screw consisting of a low and a high thread.
Description:	High-low screws have a reduced minor diameter and therefore displace less plastic material and minimize stress. These screws have a double lead high and low thread with the high thread having a 30 degree thread form that further minimizes material displacement while providing positive thread engagement.
Application:	High-Low screws are used in lower density materials so that the threads of the screw can "bite" into the material.
Others:	High-lo screws are tapping screws and therefore normally require a preformed hole to be properly employed.
Feel Free to contact us if you have any questions.

 

 

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FAQ
1,How to deal with defects?
Before your shipment ,we will inspect carefully and make sure the product is perfect. And we will provide two year warranty so please kindly to purchase.
2,Can you offer OEM &ODM?
Our company accept OEM&ODM, if your need it, please inform us of your specific requirements.
3,What is the MOQ of your product?
a. Furniture hardware, such as hinge, latch, wooden connector and etc. MOQ=5000pcs
b. Construction hardware, such as anchor pole, bracket and etc. : MOQ=1000pcs
c. Fasteners, such as screw, nut, bolt, washer and etc. :MOQ=1ton
d. Gloves, such as safety glove, examination glove and etc. : MOQ=1000pcs
e. Protective products, such as mask, coverall and etc. : MOQ=1000pcs
4,what's your mode of transportation/shipping?
By sea, By air, By DHL, FedEx, UPS, TNT ,EMS EXPRESS etc.
Of course, you can also specify the mode of transportation as well as tell us your specific requirements.
5,Payment Terms
T/T, L/C, Western Union. Paypal . if you need to pay by other ways, please negotiate with us.
6,Delivery time
7-30days after we receive your prepayment or L/C
7,I don't trust your products quality, can you provide samples?
Yes, we can offer you free samples, but you need to pay the freight. after your first order, the sample freight fee will refund to you.
8,Are you a factory or a trade company?
We are both factory and trade company, welcome to visit our factory at any time.
 We will offer what you want, solve the problems what you have,
just don't hesitate to contact us!