Spiral flute machine tap with chamfer form C with a 2 - 3 x P semi-bottoming lead, for ISO-Metric thread M3 with 0.5mm pitch and 6H class of fit, dimensions according to DIN 371 standard with 3.5mm shank and 2.7mm square drive, powder metallurgical HSS-E with flash chrome surface finish and 40° helix angle for 2xD blind hole threading in free machining and plain carbon steel and copper or copper alloys.
Technical Specification
More Information
Brand
Dormer
Manufacturer Part Number
E298M3
Features & Benefits
E298 series
Flash chrome (hard chrome) plating
Metric coarse thread
Meets DIN 371 standard
DIN thread pitch diameter tolerance zone (high basic pitch diameter)
Blind hole application
2xD usable tool depth to diameter ratio
Semi-bottoming tap chamfer (2 - 3 pitch lead)
Spiral flute geometry
40° helix angle (flute)
Right hand rotation/cutting
Designed specifically for tapping low alloy steel