Spiral flute machine tap with chamfer form C with a 2-3xP semi-bottoming lead, for Unified National Fine thread UNF 3/8in with 24 TPI and 2B class of fit, dimensions according to DIN 2184-1 standard with 10.0mm shank and 8.0mm square drive, powder metallurgical HSS-E with uncoated finish and 45° helix angle for 2.5xD blind hole threading in free machining and plain carbon steel and wrought or cast aluminium.
Technical Specification
More Information
Brand
Dormer
Manufacturer Part Number
EX303/8
Size (in)
3/8 - 24
Features & Benefits
EX30
Uncoated finish
Unified fine thread
Meets DIN 2184-1 - tap standard
2B internal inch thread medium class of fit
Blind hole application
2.5 x 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
45° Helix Angle (Flute)
Right hand rotation/cutting