1/4" BSPF HSS Taper Hand Tap FEW 4133440 Bolt Hole Quantity: 20

Bolt Hole Quantity: 20

Insert types XO

Ultra-low lifting range 75mm to 500mm

INCLUDED: 3 Bushings and 4 Springs for Mechanical Advance

STARTER SLOT: 2 7/8"

1/4" BSPF HSS Taper Hand Tap FEW 4133440 Bolt Hole Quantity: 20Parallel (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, for starting threads either second or bottoming taps should used after to achieve desire thread depth. General purpose use Through & blind holes Suitable for both hand and machine operations Threads per inch 19 Drill diameter 11. 8mm