What do you know about wood screws?

Wood screws bond to wood more easily than other nails. They are mostly used for bonding metal and other materials to wood.

Here is the list of contents

• Characteristics of wood screws

• Uses of wood screws

• Difference between wood screws and self-tapping screws

• Specifications and sizes of wood screws

• Common sizes of wood screws

• Classification of wood screws

Characteristics of wood screws

It is a kind of nail specially designed for wood. After entering the wood, it will be firmly embedded in it. If the wood is not rotten, it is impossible to pull it out. Even if it is forced out, it will bring out the nearby wood. Another point to note is that the wood screw must be screwed in with a screwdriver. Do not hammer them in, as that will damage the surrounding wood.

Uses of wood screws

Similar to machine screws, the threads on the screw are special ribs on the wood screw that screw directly into the wood part (or parts).

It is used to securely connect a metal (or non-metal) part with a through-hole to a wood part. This connection is also a removable connection.

The difference between wood screws and self-tapping screws.

1. Self-tapping screws have high hardness, wide thread pitch, deep threads, and non-smooth surface, in contrast to wood screws.

2. Wood screws have no threads in the back section.

3. The threads of wood screws are thin, blunt, and soft, while the threads of self-tapping screws are thick, pointed, and hard.

Self-tapping screws have hard, widely spaced threads, deep threads, and a non-smooth surface. On the contrary, another difference is more obvious. Wood screws do not have threads on the rear part. Self-tapping screws are generally heat-treated, while wood screws do not require it. The concept of self-tapping is actually quite general, as they are divided into many types depending on the head type

Specifications and dimensions of wood screws

Wood screws are similar to machine screws, but the threads on the screws are special threads for wood screws that screw directly into wood members and are used to fasten and connect metal or non-metal parts with through holes to wood members.

Common sizes of wood screws.

1. The types of wood screws include cross recessed countersunk head, cross recessed semi-countersunk head, cross recessed round head, slotted (slotted) countersunk head, slotted semi-countersunk head, slotted round head, hexagonal head, etc.

2. Nominal diameters include 1.6, 2, 2.5, 3, 3.5, 4, 5, 6, 7, 8, 10 and other series.

3. Lengths include 6, 8, 10, 12, 16, 20, 25, 30, and other series.

Classification of wood screws.

Slotted round head wood screws GB 99-86 DIN96, slotted countersunk head wood screws GB 100-86 DIN97, slotted half countersunk head wood screws GB 101-86 din95, hexagonal head wood screws GB 102-86 DIN571, cross recessed round head wood screws GB 950-86 din7996, cross recessed countersunk head wood screws GB 951-86 din7997, cross recessed half countersunk head wood screws GB 952-86 din7995

1. self-tapping screws with high hardness, wide thread pitch, deep threads, the surface is not smooth and other characteristics, as opposed to wood screws.

2. The rear section of the wood screw is not threaded.

3. The threads of wood screws are thin, blunt, and soft, while the threads of self-tapping screws are thick, pointed, and hard.

Ningbo yi pian hong Fastener Co., Ltd. was established in 2001, specializing in the production of all kinds of high-strength bolts, nuts, and threaded rods, with an annual production capacity of 30000 tons and an annual turnover of 300 million yuan. Products include ANSI / ASTM, DIN, BS, ISO, GB, JS, and other standards, which are mainly used in the field of high-strength seals and oil pipeline valves.