E557 - M4 x 0.7 Metric Dormer HSS Spiral Flute Machine Tap Bright Finish - For General Use

E557M4

Dormer Pramet

  • £6.41


E557 (M)

Spiral Flute Power Tool Tap with chamfer form C with a 2-3xP semi-bottoming lead, for ISO-Metric thread M4 with 0.70 mm pitch and 6H class of fit, dimensions according to ISO 529 standard with 4.0mm shank and 3.15mm square drive, HSS with bright finish and 35° helix angle for 2xD blind hole threading in general purpose applications.

Thread Diameter Size (TDZ) M4
Thread Pitch (TP) 0.70mm
Overall Length (OAL) 53.0mm
Threading Length (THL) 8mm
Connection Diameter (DCON MS) 4.00mm
Clamping Width (WSC) 3.15mm
Clamping Length (LSC) 6mm
Flute Count (NOF) 3
Pre-machined Hole Diameter (PHD) 3.30mm
Usable Length (LU) 21.00mm

E557M4