3PCS anchor nut, is combined with 3pcs for usage, it is one kind of expansion anchor bolt, like the following picture:

Every month, can produce 60tons anchor nut, can provide the size from M6-M12, welcome for inquiry. Container shipment

Expansion anchor bolt are generally referred to as metal expansion screws. The expansion screw is fixed using a wedge-shaped slope to promote expansion to produce a frictional gripping force to achieve a fixed effect. The screw is threaded at one end and tapered at the other. There is a metal sheet (some are steel pipes) on the outside, and the metal cylinder (steel pipe) has a number of cuts in half, and they are inserted into the holes made in the wall, and then the nut is locked. , The metal cylinder is expanded, so it is tightly fixed to the wall, and is generally used for the fastening of protective fences, awnings, air conditioners, etc. on cement, bricks and other materials. However, its fixing is not very reliable. If the load has large vibration, it may loosen, so it is not recommended for installing ceiling fans.

Advance of expansion anchor bolt:

1. Wide applicability. As long as the thread size of the male part matches, it is suitable for any type of anchor head. 2. Construction method selection. It can be preset at a fixed point according to the requirements, or drilled (installed) in a single construction supplementary drilling, its function and effect are completely consistent. 3. High construction success rate. There is no depth of the matching hole and it is troubled by the inclination of the drill hole, and the construction achievement rate is 100%. 4. High-profile design. Full-tooth taper expansion special upside down hook design. 5. Locking and anti-loosening effect. The special design of full-tooth taper expansion uses the reverse thrust effect to lock the workpiece tightly. 6. Perfect design thinking. Short and concise, suitable for all commercially available screws, DIY and the most satisfactory construction optional parts for construction. 7. Ensure that the anchor bolt expands. Metal plate pressed products, patented full-tooth taper expansion design, strong gripping ability without idling, no professional construction skills required. 8. Disposal without trouble. As long as you withdraw from the anchor work piece and apply filler to restore the plane, there is no danger of excision and bumping.

Hebei Ruiye Fasteners Manufacturing Co.,Ltd, is mainly deal with all kind of expansion bolt, pls our website, and find the goods you need, pls feel free to contact us at any time, we will be waiting for you all the time.