It features a nail specifically designed for wood that, when inserted into the wood, is very firmly embedded. If the wood is not rotten, it is impossible to pull out, even if forced out will bring out the nearby wood. There is a point to pay attention to, wood screw must be screwed in with a screwdriver, do not use hammer in, will damage the wood around.
The advantage of the wood screw is that it has stronger consolidation ability than the nail joint, and can be removed and replaced, so it is more convenient to use without damaging the wood surface. 1. The common types of wood Screws are made of iron and copper. Depending on the head of the screw, there are round head, flat head and Oval Head. On the head of the screw, there are two kinds of slotted screws and cross slotted screws. Generally, round head screws are made of soft steel and are blue in colour, polished flat head screws, Oval head screws are usually cadmium-chromium plated and are commonly used for installation of loose-leaf, Hook and other hardware accessories. Specifications to rod diameter, length and nail head type to determine the purchase of the box as a unit. 2. Install wood screw tool the screwdriver is its loading and unloading tool, the shape matches the wood screw head trough shape to have a word and the cross shape two kinds; in addition has one kind to mount on the arcuate drill the special screwdriver, is suitable for loading and unloading the bigger wood screw, the utility model has the advantages of convenient use and labor saving.
The ability of consolidation is stronger, than that of nail joint,copper ,iron Wooden screws
Nantong Safe Yawl Import &Export Co.,Ltd , https://www.ntsyspring.com