Self Tapping Screws Phillips Pan Head with Washer Screw used for non-metallic or soft metals, without drilling low holes and tapping; Self-tapping screws are pointed so as to "self-tap"; Ordinary screws are flat-headed with the same thickness. Self-tapping screws mean that the holes drilled are holes without tapping. The screws used are different from those used in general. The head is sharp and the pitch is relatively large, which is a bit like the chipless tapping, and can be directly screwed in without tapping. Metals and plastics usually use this method. It can "tap-drill, squeeze and press" the corresponding threads on the consolidated material by its own threads, so as to make them fit closely with each other.
Stainless steel cross-grooved pan head self-tapping nail is not easy to rust, and has strong oxidation resistance. Our company's products smooth head, uniform stress and pitch, smooth surface and good fastening effect.

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