Wholesale 7mm 5mm 6mm 8mm dry wall self tapping screw pvc plastic Nylon expansion Wall Plugs hollow wall anchors
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.
1. Material: PA, PE, Nylon.
2. Color: Gray, White, Red, Yellow, Black.
3. Packing: 1. pvc bag + carton + pallet. 2. bulk packing.
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
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.
Langfang Yifang Plastic Co.,Ltd. is a manufacturer of insulation nails, plastic discs, The valve of injection molded parts, Anchor bolt and any of the plastic products,with well-equipped testing facilities and strong technical force.
Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs. Welcome new and old customers from all over the word to contact us for future business relationships and mutual success!
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