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Greenfield Threading385413

385413

3180 1/4-18 NPTF 4F HS
Item #101661096
  • Inch
  • 1/4-18 NPTF Thread Size & Type
  • Semi-Bottoming Chamfer Type
  • HSS Material
  • Bright Coating
  • 4 Flutes
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Greenfield Threading385413
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    Shipment Options
  • Inch
  • 1/4-18 NPTF Thread Size & Type
  • Semi-Bottoming Chamfer Type
  • HSS Material
  • Bright Coating

applications

  • Medium hook for general-purpose

features

  • NPT threads require a sealer (Teflon tape or pipe compound)
  • NPTF threads produce a pressure tight joint without using a sealer
  • Ground thread for accuracy
Operation Type Thru-Hole
Thread Per Inch 18
Pitch Dia. N/A
No. of Flutes 4
Thread Length 1.0625 in
Threads per Inch 18
Spiral Point No
Chamfer Type Semi-Bottoming
Shank Size - Metric 14.29 mm
Shank End Feature Square
Ground Threads Yes
Interrupted Thread No
Tap Type Pipe
Shank Square Width - Metric 10.69 mm
Diameter - Decimal 0.25 in
Shank Square Length - Metric 11.11 mm
Thread Creation Thread Cutting
Shank Square Length 0.4375 in
Direction of Cut Right Hand
Diameter - Wire E
Thread Size - Metric 6.35 mm
Material HSS
Truncated Threads No
Thread Size & Type 1/4-18 NPTF
Thread Size - Decimal 0.25 in
Thread Pitch N/A
Blank Construction USCTI Table 311
Tap Size 1/4 in
Overall Length 2.4375 in
Shank Square Width 0.421 in
Thread Type NPTF
Diameter - Fraction 1/4 in
Thread Length - Metric 26.99 mm
Standard Projection 0.459 in
Weight 0.4 LB
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