US$ 69.00
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1/4 x 3/4 x 3 100pcs PLAIN FINISH HEAVY DUTY
Centre major diameter 152
Cutting surface 42 x 10mm
Automatic Self-tightening
Dimensions (L x W x H) 65 x 26
Carbide Flow Punch Former 3.7 Long Flat For M4 355.0370 electrical 1/4 x 3/4 x 3Centerdrill 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.