Dormer EP40 1/4 – 19 HSS-E-PM Machine Tap

Spiral point machine tap with chamfer form B with a 3.5-5xP plug lead, for British Standard Pipe thread G 1/4in with 19 TPI and Normal class of fit, dimensions according to DIN 5156 standard with 11.0mm shank and 9.0mm square drive, powder metallurgical HSS-E with uncoated finish for 2.5xD through hole threading in free machining and plain carbon steel and wrought or cast aluminium and copper or copper alloys.

Brand :Dormer

Manufacturer Part Number :EP401/4

Size (in) :1/4 – 19

Features & Benefits : EP40 series
Uncoated finish
British standard pipe (BSP) thread
Meets DIN 5156 – thread form standard
Normal fit class for pipe thread
Through hole application
2.5 x D usable tool depth to diameter ratio
High speed cobalt powder metal tool material
Plug tap chamfer (3.5-5 pitch lead)
Spiral point geometry
Right hand rotation/cutting

Diameter (in) :1/4

Diameter (mm) :1/4

Thread Size x Pitch :1/4 – 19

Drill Diameter (mm) :11.8

Overall Length (in) :3.9370

Overall Length (mm) :100

Flute Length (mm) :21

Flute Type :Spiral Point

Type :Machine Tap

Square Size (mm) :9.0

Application :Various

Pitch :19

Pitch (mm) :19

DIN :DIN 371/376

Threads Per Inch :19

Number of Flutes :3

Thread Type :BSPF

Material :HSS-E-PM

Coating/Finish :Uncoated

Tap Drill Size (mm) :11.80

Thread Length (mm) :21.00

Thread Diameter (mm) :1/4