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YG-1 - K9786 - Spiral Point Tap, Thread Size 1"-8, UNC, Overall Length 5 1/8 in, HSS-V, Bright (Uncoated)

  • MFR SKU: K9786
  • ITEM #: 8165384
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ITEM #: 8165384
These taps have a unified thread standard. UN coarse (UNC) taps have fewer threads per inch than UN fine (UNF) taps. Compared to UNF taps, UNC taps perform better in threading applications on brittle materials and are less likely to cross thread. Coarse threads can also withstand more physical abuse than fine threads. UNF taps have more threads per inch than UNC taps. Compared to UNC taps, UNF taps perform better in threading applications on thin-walled workpieces and hard materials. Fine threads...
ITEM #: 8165384
These taps have a unified thread standard. UN coarse (UNC) taps have fewer threads per inch than UN fine (UNF) taps. Compared to UNF taps, UNC taps perform better in threading applications on brittle materials and are less likely to cross thread. Coarse threads can also withstand more physical abuse than fine threads. UNF taps have more threads per inch than UNC taps. Compared to UNC taps, UNF taps perform better in threading applications on thin-walled workpieces and hard materials. Fine threads provide more tensile strength and shear strength than coarse threads. The bright finish on these taps provides a smooth, polished surface.
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YG-1 - K9786 - Spiral Point Tap, Thread Size 1"-8, UNC, Overall Length 5 1/8 in, HSS-V, Bright (Uncoated)

  • Item #: 8165384
  • MFR SKU: K9786
Technical Specs
  • Technical Specification
  • Item Spiral Point Tap
  • Thread Size 1"-8
  • Thread Standard UNC
  • Tap Material HSS-V
  • Tap Finish Bright (Uncoated)
  • Thread Length 1 1/2 in
  • Overall Length 5 1/8 in
  • 75% Thread Drill Size 22.25 mm
  • Thread Limit H4
  • Thread Direction Right Hand
  • Number of Flutes 3
  • Primary Material Application Steel
  • 55% Thread Drill Size 29/32 in
  • 65% Thread Drill Size 57/64 in
  • Drill Bit Size 7/8 in
  • Extended Neck Yes
  • Measurement System Fractional Inch
  • Primary Material Application ISO Code P
  • Secondary Material Application Aluminum, Brass, Bronze, Cast Iron, Copper, Steel
  • Secondary Material Application ISO Code K, M, N, P
  • Series K9
  • Shank Dia. 25/64 in
  • Shank Length 3 5/8 in
  • Shank Type - Machining Straight
  • Spiral Direction Neutral
  • Standards ANSI
  • Tap Chamfer Plug
  • Tap Grouping Individual
  • Tap Thread Size 1"-8
  • Threads per Inch 8
  • Thread Limit / Class of Fit H4
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