16357
| SAP Material Number | 2748078 |
| ISO Catalog Number | 16357 |
| Coating | Uncoated |
| [D1-TDZ] Thread Diameter Size | 3/8 – 18 |
| [L] Overall Length | 65.088 mm |
| [L3] Thread Length | 26.988 mm |
| [D] Adapter / Shank / Bore Diameter | 17.78 mm |
| [Z] Number of Flutes | 4 |
| Type of Thread | NPS |
Manufactured from select tap high-speed steel.
Ground thread pipe taps are standard in American National Standard Straight Pipe (NPS) thread form and American National Standard Dryseal Straight Pipe (NPSF) thread form.
NPS threads are suitable for tapping holes or couplings for low pressure work when used with a sealer’ also suitable for NPSC and NPSM work.
NPSF dryseal taps are intended for low pressure work, such as fuel and oil lines where a sealer is not used.
Dryseal threads give a low-pressure, pressure-tight joint without the use of a sealer.
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