BRX210 ‘Mechanical Blueprint Reading’ Unit #6 Holes

After studying this unit, you will be able to: Define the terms drilling, reaming, countersinking, counterboring, spotfacing, and boring Identify and list the location and size of drilled, reamed, countersunk, counterbored, spotfaced, and bored holes

Answers to Valve Cap Quiz 0.170 in. 316 SST 0.095 in. 0.345 in. 0.025 in. 5:1 ± 0.005 in 0.176 in. 0.005 in. 0.095 in 0.032/0.028 ± ½ º 0.038/0.042 Ø 0.095/0.093 0.022/0.018 5 0.037/0.033 VC-000513 Critical Dimensions for Statistical Process Control No

Answers to Eccentric Collar Quiz 1.178 in. 0.688 in. 2.548/2.538 2.538 in. 0.813/0.812 0.239 in. 1-1/4 in. 1.105 in. 2.548/2.538 length was 2.545/2.540 Reamed 0.673 in. 4 (see note) 0.1595/0.1695 0.344 in. Full + 0.005 in. 3 ga. Hot Rolled, Pickled and Oiled Sheet Steel 0.001 in. 0.390 in. 1.260 in.

Answers to Shoe Plate Quiz 9-1/8 in. 9.135 in. 0.090 in. 13/16 in. 0.8225 in. 44-66-0620 ½ in. 4 8.1875 in. 2 in. 7/16 in. 2.09875 in. 1.5495/1.5535 0.634/0.638 4 in. 0.007/0.012 0.01 in. 12 1.093 in. 0.3928/0.3938