ASUDA is a manufacturer of high-quality self-tapping screws.
Our screws have different head types like Pan Head and Countersunk Head. Materials include stainless steel 304 (A2), 316 (A4), and Zinc-coated Carbon Steel make them. Compliant with industry standards like DIN, ANSI, GB, JIS, our products span dimensions from ST2.2 to ST6.3, M2 to M6, and #2 to #18. Feel free to contact us for further details.

self tapping screw

Self-tapping screws have various names such as metal screws, sheet metal screws, tapping screws, or tapper screws. You can observe the use of screws in numerous items such as toys, devices, furnishings, doors, windows, and beyond.
The screw’s body shape and thread design allow it to connect objects without pre-drilled holes. It can create threads on the material by itself, ensuring a secure connection of the fastening parts. This characteristic makes it highly convenient and efficient in numerous applications.

Point types:

1. Type C: It has a cone point or tapered end, makes it easier penetration into materials.

2. Type F (also known as Type B): It has a flat end, commonly used for connecting plastic components.

Head types:

Self-tapping screws come in various head types, including:

1.Pan head
2.Countersunk head (Flat head)
3.Semi-countersunk head (Oval head or Countersunk oval)
4.Cylindrical head (Round head)
5.Square head
6.Hex head

Other standard designs.
Additionally, there are special head designs to meet diverse usage requirements.

Materials:

Different types of materials can make them, with some common selections being:
Carbon steel (most widely used material)
Alloy steel
Austenitic stainless steel 304 (A2), 316 (A4) for high corrosion resistance applications
Ferritic stainless steel 410 (This material combines corrosion resistance and high hardness characteristics).

Driver types:

The most common include:

Phillips (referred to as type H),

Pozidriv or Pozi (referred to as type Z),

Torx

Slotted

Square

Hexagon socket

Hex.

Feel free to reach out if you have any further questions or need additional information! Or you could visit Wikipedia for other explanations

Standard
DIN 7981 / DIN 7982 / DIN 7983 / ISO 14583 / and more
Thread Size
St2.2 - St6.3
Material
Stainless Steel 304 / 316 | Carbon Steel With Galvanizing
Driver Type
Phillips / Pozidrive / Slotted / Hexalobular / Torx
Head Type
Pan Head / Counterusnk Head / Buttom Head / Hex Head / Truss Head ...
Color
Pain / Oxide Balck / White Zinc
Grade
A2 / A4
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