Steam Tempered (Steam Oxide) Surface Treatment
E6515/16
UNC Combi Taps Spiral Flute 30°
Ordering number: 5978365
Combination drill-tap with a 30° spiral flute, for Unified National Coarse thread UNC 5/16" with 18 TPI and 2B class of fit, dimensions according to DORMER PRAMET-DIN standard with 8.0mm shank and 6.3mm square drive, HSS with steam tempered surface finish and 30° helix angle for 1.5xD through hole threading in free machining steel
Product Feature
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
Product Detail
Description | Value |
|---|---|
| EAN number | 7320760273241 |
| EDP number | 0273241 |
| Product name | E6515/16 |
| Ordering code ANSI | E6515/16 |
| Gross weight - grams | 33.6 |
| Thread diameter size (TDZ) | 5/16 |
| Threads per inch (TPI) | 18 |
| Thread diameter - millimeter (TD) | 6.6 mm |
| Overall length - millimeter (OAL) | 94 mm |
| Threading length - millimeter (THL) | 21 mm |
| Drill Part Length - millimeter (LDP) | 16 mm |
| Connection diameter - millimeter (DCON MS) | 8 mm |
| Clamping width - millimeter (WSC) | 6.3 mm |
| Flute count (NOF) | 2 |
| ANSI | E6515/16 |
| ISO | E6515/16 |
Cutting Conditions
| Suitability | vc | f | |
|---|---|---|---|
| P1.1 - Free machining sulfurized carbon steel with a hardness of < 240HB | Primary use | 59 ft/min | |
| P1.2 - Free machining sulfurized and phosphorized carbon steel with a hardness of < 180HB | Primary use | 66 ft/min | |
| P1.3 - Free machining sulfurized/phosphorized and leaded carbon steel with a hardness of < 180HB | Primary use | 72 ft/min |
| Suitability | vc | f | |
|---|---|---|---|
| P2.1 - Plain low carbon steel containing < 0.25%C with a hardness of < 180HB | Primary use | 66 ft/min | |
| P2.2 - Plain medium carbon steel containing < 0.55%C with a hardness of < 240HB | Possible use | 59 ft/min |
| Suitability | vc | f | |
|---|---|---|---|
| P3.1 - Alloy steel with a hardness of < 180HB | Possible use | 49 ft/min | |
| P3.2 - Alloy steel with a hardness of 180 - 260HB | Possible use | 39 ft/min |
| Suitability | vc | f | |
|---|---|---|---|
| N1.2 - Wrought aluminium alloys with a hardness of 60 - 100HB | Possible use | 46 ft/min | |
| N1.3 - Wrought aluminium alloys with a hardness of 100 - 150HB | Possible use | 30 ft/min |
| Suitability | vc | f | |
|---|---|---|---|
| N3.1 - Free-cutting copper-alloys materials with excellent machining properties | Possible use | 66 ft/min | |
| N3.2 - Short-chip copper-alloys with good to moderate machining properties | Possible use | 49 ft/min |
| Suitability | vc | f | |
|---|---|---|---|
| N4.1 - Thermoplastic polymers | Possible use | 82 ft/min |