Non-Polar bonds!Help!!!!!!!!!!!!!!!!!!!!…

I need to examples of nonpolar bonds, but the thing is the diffrence in electonegativity has to be less than .3. Please give me as many examples on non polar bonds.the ones ive seenlike CF4 dont meet he requirment of being non polar(F-C=diffrence in leconegativity-4-2.5= 1.5 : THIS DOSNT WORK along wih many examples ive found. Help please!