Precision Screw Classification

Precision screws, referred to as small screws, also known as tiny screws, are tiny fasteners that connect the material of the product. They are tiny in shape, but they can play a key role in the production of key parts. Widely used in electronics, electrical, electrical appliances, furniture, machinery and equipment.

Precision screw pictures

Precision screw classification

Precision screws are classified into self-tapping precision screws and precision screws of machine screws. Self-tapping precision screws mainly exhibit the tip of the tail and the teeth are self-tapping. This thread is not very easy to say, with self-tapping thread, organic thread thread. Self-tapping precision screw heads have many shapes, including pan heads, countersunk heads, semi-sinking heads, and the shape of the head is also self-contained and non-cushioned.

The tail showed self-attack with a pointed tail, a self-tapping slot, self-tapping with B teeth, and self-tapping with fast teeth. Self-tapping precision screws include pan head self-tapping screws, countersunk head self-tapping screws, semi-sinking head self-tapping screws, self-tapping screws with self-tapping pads, and self-tapping screws for cutting tails. The precision screw of the machine silk refers to the tail without the tip, it is the flat end, and its thread is relatively uniform, and the shape is almost the same as the self-tapping.

Precision screw material is made of iron and stainless steel, iron precision screws are generally made of iron wire piercing, made of low carbon steel, medium carbon steel, high carbon steel these three. Screw wire 1010A, 1018, 10B21, 45 steel and so on. Stainless steel precision screws are generally made of stainless steel screws. Its material is stainless steel SUS201, stainless steel SUS304, stainless steel SUS776, stainless steel SUS316, stainless steel SUS404 and so on.