Self-tapping and self-drilling screws
Categories: Self-tapping screws
This product can also be called self-drilling screw, self-drilling screw or dovetail screw. The implementation of the national standard is GB/T 15856.1-2002. The screw has a tail tip like a twist drill, which can drill out of the center during assembly. The hole is then used to realize the self-tapping effect in the hole on the carrier by means of the adjacent threaded part.
Product Introduction
Self-tapping and self-drilling screws are also called self-drilling screws, self-drilling screws or dovetail screws. It implements the national standard GB/T 15856.1-2002, German standard DIN7504N-1995, and Japanese standard JIS B 1124-2003.
This type of screw has a drilled tip, which is like a twist drill. The screw can drill a center hole by itself during assembly, and then taps into the hole on the carrier by means of the adjacent threaded part.
Product parameter
Specification: 2.2-14
Length: 3-180mm
Material: carbon steel
head type: hexagonal flange, countersunk head
Thread type: self-tapping and self-drilling
Tensile strength: 450Mpa
Surface hardness: ≥530HV
Core hardness: 320-400HV
Surface treatment: color zinc, environmentally friendly blue and white zinc
Support non-standard customization
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