Flash Chrome (Hard Chrome) Plating
E298M8
M Machine Tap Spiral Flute 40°, Yellow Shark
Material ID: 6290586
Spiral flute tap Yellow Shark with chamfer form C with a 2-3xP plug lead, for ISO-Metric thread M8 with 1.25 mm pitch and 6H class of fit, dimensions according to DIN 371 standard with 8.0mm shank and 6.2mm square drive, powder metallurgical HSS-E with flash chorme surface finish and 40° helix angle for 2xD blind hole threading in free machining and plain carbon steel and copper or copper alloys
Product Feature
Thread Form, Metric Coarse
DIN 371 – Thread Form Standard
DIN Thread Pitch Diameter Tolerance Zone (high basic pitch diameter)
Blind Hole Application
2×D Usable Tool Depth to Diameter Ratio
High Speed Cobalt Powder Metal Tool Material
Semi-Bottoming Tap Chamfer (2 – 3 Pitch Lead)
Spiral Flute Geometry
40° Helix Angle (Flute)
Right Hand Rotation / Cutting
Product Detail
Description | Value |
|---|---|
| Product name | E298M8 |
| Product number (SAP) | 86016087 |
| EAN number | 7320760663066 |
| Product Line | SHARK |
| Thread diameter size (TDZ) | 8 |
| Thread pitch - millimeter (TP) | 1.25 mm |
| Overall length - millimeter (OAL) | 90 mm |
| Overall length - inch (OAL) | 3.5433 inch |
| Threading length - millimeter (THL) | 12 mm |
| Threading length - inch (THL) | 0.4724 inch |
| Connection diameter - inch (DCON MS) | 0.315 inch |
| Connection diameter - millimeter (DCON MS) | 8 mm |
| Flute count (NOF) | 3 |
| Usable Length - inch (LU) | 1.378 inch |
| Usable Length - millimeter (LU) | 35 mm |
| Clamping width - inch (WSC) | 0.2441 inch |
| Clamping width - millimeter (WSC) | 6.2 mm |
| Clamping Length - inch (LCS) | 0.3543 inch |
| Clamping Length - millimeter (LSC) | 9 mm |
| Premachined hole diameter - inch (PHD) | 0.2677 inch |
| Premachined hole diameter - millimeter (PHD) | 6.8 mm |
| Gross weight - grams | 32.8 |
| ISO | E298M8 |
| Ordering code ANSI | E298M8 |
Cutting Conditions
| Suitability | vc | f | |
|---|---|---|---|
| P1.1 - Free machining sulfurized carbon steel with a hardness of < 240HB | Primary use | 23 m/min | |
| P1.2 - Free machining sulfurized and phosphorized carbon steel with a hardness of < 180HB | Primary use | 25 m/min | |
| P1.3 - Free machining sulfurized/phosphorized and leaded carbon steel with a hardness of < 180HB | Primary use | 26 m/min |
| Suitability | vc | f | |
|---|---|---|---|
| P2.1 - Plain low carbon steel containing < 0.25%C with a hardness of < 180HB | Primary use | 19 m/min | |
| P2.2 - Plain medium carbon steel containing < 0.55%C with a hardness of < 240HB | Primary use | 17 m/min | |
| P2.3 - Plain high carbon steel containing > 0.55%C, with a hardness of < 300HB | Possible use | 15 m/min |
| Suitability | vc | f | |
|---|---|---|---|
| P3.1 - Alloy steel with a hardness of < 180HB | Primary use | 14 m/min | |
| P3.2 - Alloy steel with a hardness of 180 - 260HB | Possible use | 11 m/min |
| Suitability | vc | f | |
|---|---|---|---|
| P4.1 - Tool steel with a hardness of < 26HRC | Possible use | 8 m/min |
| Suitability | vc | f | |
|---|---|---|---|
| N3.1 - Free-cutting copper-alloys materials with excellent machining properties | Primary use | 48 m/min | |
| N3.2 - Short-chip copper-alloys with good to moderate machining properties | Primary use | 28 m/min | |
| N3.3 - Electrolytic copper and long-chip copper-alloys with moderate to poor machining properties | Possible use | 14 m/min |