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