The expansion screw is composed of screw and expansion tube. The tail of the screw is conical: the inner diameter of the cone is larger than that of the expansion tube. When the nut is tightened, the screw moves outward. Axial movement through threads. By moving the cone part, a large positive pressure is formed around the expansion tube, and the angle of the cone is very small, so that the wall, the expansion tube and the cone can form friction self-locking, thus achieving a fixed effect.
|Material:||PE, PP, PA|
|Color:||Gray, White, Red, Yellow, Black, etc|
|Dia:||6*30, 8*40, 10*50, 12*60, 14*75 (mm)|
|Packing:||1. pvc bag + carton + pallet. 2. bulk packing|
|Inner nail:||Mating screw nail|
|Usage:||Architecture, industry, machinery|
|Function:||To prevent rotation of the structral design, when using the screw does not rotate in the air to follow|
In our factory workshop, we have 15-lines production machine who is producing insulation fastener. And about 40,000 pieces production can be produced for a machine-line per day. So we can guarantee the delivery time very fast.
So if you need some special products, give us your darwing or tell us, we can also help you producing them.
1> PACKING:To prevent insulation nails from damping,our company provide multilayer;
2> SHIPPING:Plastic films + carton + pallet ;as client's design.
Q1: Why choose RongFeng?
A: We provide customers with first-class service, provide high-quality insulation nails, and minimize costs.
Q2: Are you trading company or manufacturer ?
A: We are a professional fastener manufacturer.
Q3:Do you provide samples? is it free or extra?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q4: What payment terms do you accept ?
A: At least 30% TT deposite,the remain balance paid before loading in our factory.
Q5: What's your MOQ? And how does your delivery?
A: MOQ is 10,000pcs in usual. But if your order cannot reach this limit,also want to purchase our products. Don't worry, We also accept sample orders, if the producing is not too tight.
Q6:What’s your Delivery Time?
A: Generally it is 5-15 days,we have 15-lines production machine who is producing insulation fastener. And about 40,000 pieces production can be produced for a machine-line per day. So we can guarantee the delivery time very fast.
Q7:Can you produce according to customers' design?
A: Sure, we are professional manufacturer, OEM and ODM are both welcome.
We'll offer you the quotation as soon as possible once receive your inquiry,so don't hesitate to contact us. We can produce the product under your brand name, also the size can be changed as your requirement.
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