Carbide Flow Punch Former 3.7 Long Flat For M4 355.0370 Product Type_Slot drill Overall length 345mm

Overall length 345mm

Manufactured from HSS

50 X Aluminium Steel Truss Head 3

knurling on the outside of female square drive makes it easier to hold and enables the extension bar to be used like a quick spinner

Flute length L2 134mm

Carbide Flow Punch Former 3.7 Long Flat For M4 355.0370 Product Type_Slot drill Overall length 345mmCenterdrill Carbide Flow Punch Former 3. 7 Long Flat for M4 Threads Flow punch forming with centerdrill is a process in which high strength bushes or eyelets are produced in thin walled metals using a simple operation without cutting. Instead, friction and feed pressure are used to heat and form the material. The bush can then be threaded using a Thread Form Fluteless tap.