Feature(may vary by option.)

●Size: Total length 2.8 inches (70 mm) x outer diameter 0
●Weight: 2.0 oz (59 g)
●Uses: For screwing ordinary steel, brass, copper, aluminum, resin, etc
●Material: Alloy tool steel (SKS)
●Tap screw diameter: W5/16
●Threads: 18/1"
●Drill diameter for drilling holes: 0.26 inches (6.6 mm)

[W1  & 8×40]




[W1  & 2×12]




[W3  & 8×16]




[W5  & 16×18]




[W1  & 4×20]




[W3  & 16×24]





Description

Set of 3 for rough use, medium finishing, and finishing
You can also use the 3 taps to create a deep hole screw.