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Home >>Machinig Techniques >>Drilling Hardox 500 55RC: 0.281 dia .75 deep

Drilling Hardox 500 55RC: 0.281 dia .75 deep

April 20, 2012, 12:47 am

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Eldar Gerfanov (Admin)

April 20, 2012, 12:47 am

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by Eldar Gerfanov (Admin)

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Thu August 21, 2025, 1:40 pm

Thu August 21, 2025, 1:40 pm

Tool:0.281 dia 0 helix TIN coated carbide drill

Peck:0.125

Coolant: Air

RESULT
SFM: 49 f/min
RPM: 663
APT:  0.00070 in/rev
Feed: 0.93 in/min
MRR: 0.1 in^3/min
HP: 0.2
Torque: 19.4 in-lb
Max Torque: 22.9 in-lb

 

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