This 917 spiral point tap is made of high speed steel and has a 0.194 inch diameter, 3⅛ inch long shank. It is designed for use with all materials, and meets the standards for ANSI. This 917 series spiral point tap has a bright (uncoated) finish, and has pipe measurements. It is non-coolant through, has right hand direction with a four-inch length. Plus it has two flutes.
Technical Specs
ItemSpiral Point Tap
Thread StandardUNF
Overall Length4 in
75% Thread Drill Size#21
Thread DirectionRight Hand
55% Thread Drill Size4.25 mm
Coolant FedNon-Coolant Through
Spiral DirectionNeutral
Measurement SystemPipe
Primary Material Application ISO CodeH, K, M, N, O, P, S