Bright (uncoated)
UNF Machine Tap Straight Flute
Material ID: 5975115
Straight flute tap with chamfer form C with a 2-3xP plug lead, for Unified National Fine thread UNF 3/8" with 24 TPI and 2B class of fit, dimensions according to DIN 374 standard with 7.0mm shank and 5.5mm square drive, powder metallurgical HSS-E with bright finish for 1.5xD through or blind hole threading in free machining and plain carbon steel
Thread Form, Unified Fine
DIN 374 – MF Thread Standard
Internal Inch Thread Medium Class of Fit
Through or Blind Hole Application
1.5×D Usable Tool Depth to Diameter Ratio
High Speed Cobalt Powder Metal Tool Material
Semi-Bottoming Tap Chamfer (2 – 3 Pitch Lead)
Straight Flute Geometry
Right Hand Rotation / Cutting
| Product name | E2783/8 |
| Product number (SAP) | 86015978 |
| EAN number | 7320760089637 |
| Ordering code ANSI | E2783/8 |
| Thread diameter size (TDZ) | 3/8 |
| Thread diameter - millimeter (TD) | 9.53 mm |
| Threads per inch (TPI) | 24 |
| Overall length - millimeter (OAL) | 100 mm |
| Overall length - inch (OAL) | 3.937 inch |
| Threading length - millimeter (THL) | 24 mm |
| Threading length - inch (THL) | 0.9449 inch |
| Connection diameter - inch (DCON MS) | 0.2756 inch |
| Connection diameter - millimeter (DCON MS) | 7 mm |
| Flute count (NOF) | 3 |
| Clamping width - inch (WSC) | 0.2165 inch |
| Clamping width - millimeter (WSC) | 5.5 mm |
| Clamping Length - inch (LCS) | 0.315 inch |
| Clamping Length - millimeter (LSC) | 8 mm |
| Premachined hole diameter - inch (PHD) | 0.3346 inch |
| Premachined hole diameter - millimeter (PHD) | 8.5 mm |
| Gross weight - grams | 34.6 |
| ISO | E2783/8 |