1/4"-18 NPT / NPTF Tapered HSS-E Pipe Tap, 0.563" Shank x 1.06" Thread Length, 4 Flute, Steam Oxide Coated
Part # 03-04621/4-18 NPT / NPTF STEAM OXIDE
* All prices and specifications subject to change without notice. Actual product appearance & included accessories may differ.
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Iso Material Chart
Primary Workpiece Material
P - Steel
M - Stainless Steel
Secondary Workpiece Material
N - Aluminum
K - Cast Iron
Technical specifications
System of Measurement | Inch - ANSI |
Material | HSS-E |
Coating | Steam Oxide |
Thread Series | NPTF - Natl. Pipe Taper Fuel, NPT - Natl. Pipe Taper |
Thread Size | 1/4"-18 |
Tap Type | Tapered |
Flute Type | Spiral Flute |
Chamfer Type | Modified Bottoming |
Shank Type | Square |
[TPI] Threads per Inch | 18 tpi |
Tap Drill Diameter | 0.4375 in |
[ØDC] Cutting Diameter | 0.25 in |
[ØDMM] Shank Diameter | 0.5625 in |
[L2] Chamfer Length | 2P-3P |
[L1] Thread Length | 1.06 in |
[LU] Usable Length | 1.06 in |
[OAL] Overall Length | 2.44 in |
[SS] Square Size | 0.421 in |
[NOF] Number of Flutes | 4 |
[FHA°] Helix Angle | 15 |
Length / Diameter | 2.5 X D |
Through Spindle Coolant | No |
Weight | 0.1 lbs \ 0.1 kg |
Country of Origin | South Korea |
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