2018 National Home Improvement Estimator, All Rights Reserved Page 427 (part 2) 1/2" hole, 5 holes BE@.300 Ea 10.61 13.09 23.70 1/2" hole, 7 holes BE@.300 Ea 13.64 13.09 26.73 3/4" hole, 2 holes BE@.300 Ea 10.30 13.09 23.39