uxcell Hex Socket Self Tapping Screws, M4 x 20mm Carbon Steel Wood Screw 400pcs

uxcell Hex Socket Self Tapping Screws, M4 x 20mm Carbon Steel Wood Screw 400pcs

Thread Size: M4 x 20mm; Hex Width: 2.5mm / 0.1". Made of carbon steel, which has higher hardness, corrosion resistance and rust resistance. The self-drilling screws can drill well into the wood, sheet metal and other surfaces. The thread can reduce the resistance when screwing in and prevent cracking. It can also connect metal hardware to the wood well because the threaded rods provide good retention in the wood. Widely used in various industries such as manufacturing, construction, engineering, and assembly. Made of carbon steel, which has higher hardness, corrosion resistance and rust resistance.
The self-tapping screws can drill well into the wood, sheet metal and other surfaces. The thread can reduce the resistance when screwing in and prevent cracking.
It can also connect metal hardware to the wood well because the threaded rods provide good retention in the wood.
Widely used in various industries such as manufacturing, construction, engineering, and assembly.

Specification:
Color: Black
Material: Carbon Steel
Finish: Black Oxide
Thread Size: M4 x 20mm
Thread Diameter: 4mm/ 0.16"
Hex Width: 2.5mm / 0.1"
Screw Head Size: 7.5 x 1.9mm / 0.3" x 0.07"(D*T)
Package Content: 400pcs x Hex Socket Self Tapping Screws