Casing Data Showing Bit Sizes and Clearances

A.P.I. CASING

Casing Size O.D. (Inches)CASING SPECIFICATIONSBIT SIZE AND DIAMETRAL CLEARANCE
Casing Coupling Dia. O.D. (Inches)Wt. per Ft. with Couplings (Pounds)Inside Diameter of Casing (Inches)Bit Size (Inches)ThousandthsNearest 64th
4-1/25.0009.504.0903-7/8.2157/32
4-1/25.00011.604.0003-7/8.1251/8
4-1/25.00013.503.9203-3/4.17011/64
55.56311.504.5604-1/4.3105/16
55.56313.004.4944-1/4.2441/4
55.56315.004.4084-1/4.1585/32
55.56318.004.2764-1/8.1515/32
5-1/26.05013.005.0444-3/4.29419/64
5-1/26.05014.005.0124-3/4.26217/64
5-1/26.05015.504.9504-3/4.20013/64
5-1/26.05017.004.8924-3/4.1429/64
5-1/26.05020.004.7784-1/8.1535/32
5-1/26.05023.004.6704-1/2.17011/64
66.62515.005.5245-3/8.1495/32
66.62518.005.4245-1/8.29919/64
66.62520.005.3525-1/8.22715/64
66.62523.005.2405-1/8.1157/64
6-5/87.39017.006.1356.1359/64
6-5/87.39020.006.0495-7/8.17411/64
6-5/87.39024.005.9215-5/8.29619/64
6-5/87.39028.005.7915-5/8.16611/64
6-5/87.39032.005.6755-3/8.30019/64
77.65617.006.5386-1/4.2889/32
77.65620.006.4566-1/4.20613/64
77.65623.006.3666-1/4.1167/64
77.65626.006.2766-1/8.1515/32
77.65629.006.1846.1843/16
77.65632.006.0946.0943/32
77.65635.006.0045-7/8.1291/8
77.65638.005.9205-3/4.17011/64
7-5/88.50020.007.1256-3/4.3753/8
7-5/88.50024.007.0256-3/4.2759/32
7-5/88.50026.406.9696-3/4.2197/32
7-5/88.50029.706.8756-3/4.1251/8
7-5/88.50033.706.7656-5/8.1409/64
7-5/88.50039.006.6256-1/4.3753/8
8-5/89.62524.008.0977-7/8.2227/32
8-5/89.62528.008.0177-7/8.1429/64
8-5/89.62532.007.9217-5/8.29619/64
8-5/89.62536.007.8257-5/8.20013/64
8-5/89.62540.007.7257-5/8.1003/32
8-5/89.62544.007.6257-5/8.2501/4
8-5/89.62549.007.5117-5/8.1369/64
9-5/810.62529.309.0638-3/4.3135/16
9-5/810.62532.309.0018-3/4.2511/4
9-5/810.62536.008.9218-3/4.17111/64
9-5/810.62540.008.8358-5/8.21013/64
9-5/810.62543.508.7558-5/8.1301/8
9-5/810.62547.008.6818-1/2.1813/16
9-5/810.62553.508.5358-3/8.1605/32
10-3/411.75032.7510.1929-7/8.3175/16
10-3/411.75040.5010.0509-7/8.17511/64
10-3/411.75045.509.9509-3/4.20013/64
10-3/411.75051.009.8509-5/8.2257/32
10-3/411.75055.509.7609-5/8.1359/64
11-3/412.75038.0011.15011.1505/32
11-3/412.75042.0011.08410-3/4.33421/64
11-3/412.75047.0011.00010-3/4.2501/4
11-3/412.75054.0010.88010-5/8.2551/4
11-3/412.75060.0010.77210-5/8.1479/64
13-3/814.37548.0012.71512-1/4.46515/32
13-3/814.37554.5012.61512-1/4.36523/64
13-3/814.37561.0012.51512-1/4.26517/64
13-3/814.37568.0012.41512-1/4.16511/64
13-3/814.37572.0012.34712.34711/32
1617.00055.0015.37515.3753/8
1617.00065.0015.25015.2501/4
1617.00075.0015.12514-3/4.3753/8
1617.00084.0015.01014-3/4.26017/64
2021.00094.0019.12417-1/21.6241-5/8