Spiral flute machine tap with chamfer form C with a 2 - 3 x P semi-bottoming lead, for ISO-Metric thread M8 with 1.25mm pitch and 6H class of fit, dimensions according to DIN 371 standard with 8mm shank and 6.2mm square drive, powder metallurgical HSS-E with uncoated surface finish and 40° helix angle for 2.5 x D blind hole threading in stainless steel.
Technical Specification
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Brand
Dormer
Manufacturer Part Number
E238M8
Features & Benefits
E238 series
Metric coarse thread
Meets DIN 371 standard
DIN thread pitch diameter tolerance zone (high basic pitch diameter)
Blind hole application
2.5 x D 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 stainless steel