Spiral flute machine tap with chamfer form C with a 2 - 3 x P semi - bottoming lead, for British Standard Pipe thread G 1/2in with 14 TPI and Normal class of fit, dimensions according to DIN 5156 standard with 16mm shank and 12mm square drive, powder metallurgical HSS - E with uncoated surface finish and 40° helix angle for 2 x D blind hole threading in stainless steel.
Technical Specification
More Information
Brand
Dormer
Manufacturer Part Number
E3821/2
Size
1/2 x 14
Size (in)
1/2 - 14
Features & Benefits
E382 series
Uncoated (steam oxide) surface treatment
British standards pipe (BSP) thread
Meets DIN 5156 standards
Normal fit class for pipe thread
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 stainless steel