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All Products  ➞ Goliath Threading Tools ➞ Taps Hand & Machine ➞ HSS-Co5 Spiral Point (Gun Nose) Taps ➞ BSPF

3/8" x 19 BSPF Spiral Point (GUN) HSS-Co5 Tap - Goliath

Part Number:C83GE3SP
Brand:Goliath
Barcode:9349009016492
Pack Qty:1
Diameter (inch):3/8
Drill Diameter (mm):15.25
Overall Length (mm):65
Pitch (tpi):19
TPI:19
Tolerance:Z3
# Flutes:3
Standard:BS949-1969
Thread Form:BSPF

About this item:
  • 3/8" x 19 BSPF Spiral Point (GUN) HSS-Co5 Tap - Goliath
  • HSS Bright Finish BSPF Spiral Point Machine Tap.
  • HSS-Co Spiral Point (Gun Nose) Taps.
  • Spiral point taps, also known as 'Gun nose taps', have straight flutes supplemented by angular cutting faces at the lead.
  • The design of the cutting portion propels the swarf ahead of the tap leaving the flutes clear for the flow of coolant to the cutting teeth.
  • Primarily designed for use in through holes, these taps can be used in blind holes provided that there is ample clearance beyond the threaded section to accommodate the swarf.
  • The advantages of a gun nose tap are the shearing action of the angular cutting faces, which produces a fine finish on the threads and shallower flutes.
  • This allows a stronger cross section throughout the tap.
  • British Standard Pipe - G Series (BSPF) is a pipe thread which is used mainly for mechanical coupling.
  • The angle of thread is mainly 55° however for the US method some threads have a 60° angle.
  • It is specified according to JIS and ISO R228.
  • Manufactured from HSS-Co5, this modern design tap uses straight flutes supplemented by angular cutting faces at the point to produce a fine finish on the threads.
  • Shallower flutes achieve a stronger cross section allowing the tap to withstand greater cutting forces.