Steam Tempered (Steam Oxide) Surface Treatment





UNC Combi Taps Spiral Flute 30°
Material ID: 5978383
Combination drill-tap with a 30° spiral flute, for Unified National Coarse thread UNC 9/16" with 12 TPI and 2B class of fit, dimensions according to DORMER-DIN standard with 11.2mm shank and 9.0mm square drive, HSS with steam tempered surface finish and 30° helix angle for 1.5xD through hole threading in free machining steel


Thread Form, Unified Coarse

DIN Dormer Standard

Internal Inch Thread Medium Class of Fit

Through Hole Application

1.5×D Usable Tool Depth to Diameter Ratio

High Speed Steel Tool Material

Semi-Bottoming Tap Chamfer (2 – 3 Pitch Lead)

Spiral Flute Geometry

30° Helix Angle (Flute)

Right Hand Rotation / Cutting
EAN number | 7320760273289 |
Product number (SAP) | 86017243 |
Ordering code ANSI | E6519/16 |
Gross weight - grams | 89 |
Thread diameter size (TDZ) | 9/16 |
Threads per inch (TPI) | 12 |
Thread diameter - millimeter (TD) | 12.2 mm |
Overall length - millimeter (OAL) | 124 mm |
Threading length - millimeter (THL) | 29 mm |
Drill Part Length - millimeter (LDP) | 28 mm |
Connection diameter - millimeter (DCON MS) | 11.2 mm |
Clamping width - millimeter (WSC) | 9 mm |
Flute count (NOF) | 2 |
ISO | E6519/16 |