1/4" BSPF HSS Bottoming Hand Tap Sutton RS3430M/6 50mm 30 Piece Zinc Plated

50mm 30 Piece Zinc Plated hex Set Screw selection pack

serrated gripping zone

0mm 45 Piece Zinc Plated hex Set Screw selection pack

Shank diameter 25mm

1/4" BSPF HSS Bottoming Hand Tap Sutton RS3430M/6 50mm 30 Piece Zinc PlatedParallel (straight) thread, British Standard Pipe Parallel thread BSP; originally also known as British Standard Pipe Fitting thread BSPF which have a constant diameter. For producing precision threads by hand tapping, ideal for finishing blind holes. General purpose use Suitable for materials up to 1000N mm2 Through & blind holes Suitable for both hand and machine operations Threads per inch 19 Overall length 67mm Cutting length 19mm Drill diameter