Bright (uncoated)





HSS Straight Flute Hand Tap, UNF, ISO Standard
Material ID: 5976244
Straight flute hand tap NO2 with a 4-6xP second lead, for Unified National Fine thread UNF 1.1/4" with 12 TPI and 2B class of fit, dimensions according to ISO 529 standard with 22.4mm shank and 18.0mm square drive, HSS with bright finish for 1.5xD through or blind hole threading in free machining and plain carbon steel and copper or copper alloys


Thread Form, Unified Fine

ISO 529 – Tap 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

Straight Flute Geometry

Right Hand Rotation / Cutting
Product name | E5241.1/4NO2 |
Product number (SAP) | 86016818 |
EAN number | 7320760097786 |
Ordering code ANSI | E5241.1/4NO2 |
Thread diameter size (TDZ) | 1.1/4 |
Thread diameter - millimeter (TD) | 31.75 mm |
Threads per inch (TPI) | 12 |
Overall length - millimeter (OAL) | 151 mm |
Overall length - inch (OAL) | 5.9449 inch |
Threading length - millimeter (THL) | 41 mm |
Threading length - inch (THL) | 1.6142 inch |
Connection diameter - inch (DCON MS) | 0.8819 inch |
Connection diameter - millimeter (DCON MS) | 22.4 mm |
Flute count (NOF) | 4 |
Clamping width - inch (WSC) | 0.7087 inch |
Clamping width - millimeter (WSC) | 18 mm |
Clamping Length - inch (LCS) | 0.8661 inch |
Clamping Length - millimeter (LSC) | 22 mm |
Premachined hole diameter - inch (PHD) | 1.1614 inch |
Premachined hole diameter - millimeter (PHD) | 29.5 mm |
Gross weight - grams | 491.3 |
ISO | E5241.1/4NO2 |