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Self tapping screws are pretty simple. You drive them into a hole and they cut their own thread as they go. No need to tap the hole first. That saves time on the assembly line.
The tip is sharp and has cutting edges. As you turn the screw, it digs in and forms its own thread. You still need a pilot hole, but that is it. No extra step.
Sit flush with the surface. The head sinks in so you get a smooth finish. Good for finished panels where you do not want screws sticking out.
Have a low wide head. They do not stick up much but give you good clamping pressure. You see these a lot on pocket holes and sheet metal work.
Are the standard domed head. Works for most general assembly jobs.
Grip better in thin metal and hard plastic. More threads per inch means harder to pull out.
Are for softer stuff like wood and plastic. They bite in faster.
Resists rust. Good for outdoor use or wet areas.
Looks good and does not rust. Also non magnetic. Works well for electronics and fixtures where appearance matters.
Have a zinc coating. Decent rust protection for outdoors without spending too much.
Gives you a matte black finish. Mainly for indoor use. Cuts down on glare.
Are light and non magnetic.
Metric sizes: From M2 up to M6. Lengths from 6mm to 50mm. Need something different Just ask.
Strength: Class 4.8 for everyday jobs. Class 6.8 when you need more strength. Class 8.8 for heavy work. Class 10.9 and 12.9 for the tough stuff.
Electronics cases. Wood furniture. Trailer floors. Plastic boxes. Sheet metal. Car interior trim. Signs. Anywhere you need to put screws in fast without pre tapping.
We check threads and hardness on every batch. Custom sizes and head styles available if you need something special. Bulk pricing and direct shipping worldwide.
YH Fastener has over 10 years of experience manufacturing precision fasteners in Guangdong, China. We specialize in self tapping screws, machine screws, shoulder screws, captive screws, and custom fasteners. ISO 9001 and ISO 10012 certified. Every batch undergoes thread gauging, dimensional inspection, and hardness testing. Factory direct prices. Ship to over 60 countries.
For inquiries, please send us your drawing or sample. We will reply with a competitive quote within 24 hours. OEM and custom orders welcome.
