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