Spiral flute machine tap with chamfer form C with a 2 - 3 x P semi - bottoming lead, for ISO - Metric thread M12 with 1.75mm pitch and 6H class of fit, dimensions according to DIN 376 standard with 9mm shank and 7mm 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
E238M12
Features & Benefits
E238 series
Metric coarse thread
Meets DIN 376 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