Attributes

Key Value
75% Thread Drill Size0.4375 in
Blank Standard311
Chamfer Length2P-3P
Chamfer TypeModified Bottoming
Connection (in)0.5625 x 0.421
Connection (mm)14.29 x 10.69
Coolant FedCoolant Through
Cutting Direction - Mac.Right Hand
Diameter (inch)0.25
Diameter (metric)6.35
Drill Size (inch)0.4375
Drill Size (mm)11.11
Extended NeckYes
FinishBright
Helix Angle0 Degrees, 0
ItemPipe Tap
Length/ Diameter2.0 x D
List NumberR7
MaterialHSSE-V3
Material Grade - Machin.R7
Measurement SystemFractional Inch
Number of Flutes4
Number of Pieces1
OAL (inch)2.44
OAL (metric)62
Overall Length2-7/16"
Package (H)0.75
Package (L)2.75
Package (W)0.75
Pitch18
Pitch Diameter LimitNot Rated
Primary Material Applic.Cast Iron, Steel
Primary Material Applic.K, P
SeriesR7
Shank Dia.0.562"
Shank Length1 1/8 in
Shank TypeSquare
Shk. Dia. (inch)0.5625
Shk. Dia. (metric)14.29
Size1/4 X 18
Size & Pitch43104
Spiral DirectionNeutral
Sqr. Lgth. (inch)0.44
Sqr. Lgth. (metric)11.18
Sqr. Size (inch)0.421
Sqr. Size (metric)10.69
StandardsNPTF
System of MeasurementInch
Tap ChamferTaper
Tap Dimension TypePipe
Tap FinishBright
Tap GroupingTap
Tap Length StandardANSI
Tap MaterialVanadium High Speed Ste.
Tap Shank StandardANSI
Tap Size1/4"
Tap StylePipe
Tap Thread Size1/4"-18
Tap Thread TypeNPT
Tap TypePipe
Thd. Lgth. (inch)1.06
Thd. Lgth. (metric)26.9
Thread DirectionRight Hand
Thread Length1-1/16"
Thread SeriesNPTF
Thread Size1/4"-18
Thread StandardNPTF
Threads per Inch18
Trade NameYG Pipe Taps
Useable Length (in)1.06
Useable Length (mm)26.92
Weight0.124
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