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Greenfield Threading387238

387238

3181-D 1/4-18 NPSF 4F HS
Item #101651387
  • Inch
  • 1/4-18 NPSF Thread Size & Type
  • Semi-Bottoming Chamfer Type
  • HSS Material
  • Bright Coating
  • 4 Flutes
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Greenfield Threading387238
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    Shipment Options
  • Inch
  • 1/4-18 NPSF Thread Size & Type
  • Semi-Bottoming Chamfer Type
  • HSS Material
  • Bright Coating
Shank Size - Metric 14.29 mm
Shank Square Width 0.421 in
Diameter - Wire E
Threads per Inch 18
Thread Per Inch 18
Operation Type Blind Hole, Thru-Hole
Thread Pitch N/A
Truncated Threads No
Thread Type NPSF
Direction of Cut Right Hand
Thread Length - Metric 26.99 mm
Shank Square Length 0.4375 in
Thread Creation Thread Cutting
Material HSS
Shank Square Length - Metric 11.11 mm
Tap Type Pipe
Diameter - Fraction 1/4 in
Overall Length 2.4375 in
Thread Length 1.0625 in
Chamfer Type Semi-Bottoming
Thread Size - Decimal 0.25 in
Tap Size 1/4 in
Thread Size & Type 1/4-18 NPSF
Standard Projection 0.459 in
No. of Flutes 4
Blank Construction USCTI Table 311
Shank Square Width - Metric 10.69 mm
Thread Size - Metric 6.35 mm
Spiral Point No
Shank End Feature Square
Pitch Dia. N/A
Ground Threads Yes
Diameter - Decimal 0.25 in
Interrupted Thread No
Weight 0.4 LB
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