Bright (uncoated)
UNC Hand Tap Straight Flute
Material ID: 5975248
Set of straight flute serial taps NO8 for Unified National Coarse thread UNC 1/2" with 13 TPI and 2B class of fit, consisting of 1 tap with a truncated thread profile and 6-8xP taper lead, 1 tap with a truncated thread profile and 3.5-5xP second lead and 1 tap with a 2-3xP plug lead, dimensions according to DIN 352 standard with 9.0mm shank and 7.0mm square drive, HSS with bright finish for 1.5xD through or blind hole threading in free machining and plain carbon steel and wrought or cast aluminium and copper or copper alloys
Thread Form, Unified Coarse
DIN 352 – Thread Form Standard
Internal Inch Thread Medium Class of Fit
Through or Blind Hole Application
1.5×D Usable Tool Depth to Diameter Ratio
High Speed Steel Tool Material
A 6-8, B 3.5-5, C 2-3
Straight Flute Geometry
Right Hand Rotation / Cutting
| Product name | E1081/2NO8 |
| Product number (SAP) | 86015518 |
| EAN number | 7320760082232 |
| Ordering code ANSI | E1081/2NO8 |
| Thread diameter size (TDZ) | 1/2 |
| Thread diameter - millimeter (TD) | 12.7 mm |
| Threads per inch (TPI) | 13 |
| Overall length - millimeter (OAL) | 75 mm |
| Overall length - inch (OAL) | 2.9528 inch |
| Threading length - millimeter (THL) | 27 mm |
| Threading length - inch (THL) | 1.063 inch |
| Connection diameter - inch (DCON MS) | 0.3543 inch |
| Connection diameter - millimeter (DCON MS) | 9 mm |
| Flute count (NOF) | 3 |
| Clamping width - inch (WSC) | 0.2756 inch |
| Clamping width - millimeter (WSC) | 7 mm |
| Premachined hole diameter - inch (PHD) | 0.4252 inch |
| Premachined hole diameter - millimeter (PHD) | 10.8 mm |
| Gross weight - grams | 138.2 |
| ISO | E1081/2NO8 |