Bright (uncoated)





HSS Straight Flute Hand Tap, UNC, ISO Standard
Material ID: 5977215
Straight flute hand tap NO1 with a 6-8xP taper lead, for Unified National Coarse thread UNC 1.1/4" with 7 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 steel and copper or copper alloys


Thread Form, Unified Coarse

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 | E5151.1/4NO1 |
Product number (SAP) | 86016719 |
EAN number | 7320760153819 |
Ordering code ANSI | E5151.1/4NO1 |
Thread diameter size (TDZ) | 1.1/4 |
Thread diameter - millimeter (TD) | 31.75 mm |
Threads per inch (TPI) | 7 |
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 |
Flute count (NOF) | 4 |
Connection diameter - millimeter (DCON MS) | 22.4 mm |
Connection diameter - inch (DCON MS) | 0.8819 inch |
Clamping width - millimeter (WSC) | 18 mm |
Clamping width - inch (WSC) | 0.7087 inch |
Clamping Length - millimeter (LSC) | 22 mm |
Clamping Length - inch (LCS) | 0.8661 inch |
Premachined hole diameter - millimeter (PHD) | 28 mm |
Premachined hole diameter - inch (PHD) | 1.1024 inch |
Gross weight - grams | 460 |
ISO | E5151.1/4NO1 |