Tap Strght Unc 1/4X20 H4 HS B

UNC Straight Flute Bottoming tap
1/4* x 20 TPI
High speed steel
Bright surface finish is suitable for use on non-ferrous metals and plastics
General purpose use
Suitable for materials up to 1000N/mm2
Through & blind holes
Suitable for both hand and machine operations
Depths up to approx. 1 x d1

*Alternative limit