5pcs M3 M4 M5 M6 M8 Nitride Screw Tap Metric Spiral Hand Thread Screw Tap

Description 5pcs M3 M4 M5 M6 M8 Nitride Screw Tap Metric Spiral Hand Thread Screw TapSpiral wire tapping is a spiral type Spiral wire tapping in tapping and to the spiral groove of theupward rotating effect able to easily put iron discharge hole in order to avoid iron residue or theblockage in the groove resulting in a screw tap breaking edge crack Specification Material HSSColor Carbon black Type sizeLengthM33mm 0 5mm48mmM44mm 0 7mm55mmM55mm 0 8mm61mmM66mm 1mm67mmM88mm 1 25 mm70mmFeatures Growth in the service life and cutting out the highest accuracy of the thread Spiral screw is suitable for cutting materials with high toughness and is not suitable for cast ironscraps into fine materials Easy to drill the bottom Fine cutting and the chips will not stay Package Included 5 x Screw TapMore Details