Fractional Tube Excel Metal part no. Equivalent Part no. Type 1 Equivalent part no Type 2 ODT-ØT(INCHES) 1-BFD -104-1 1BF1 1/16 2-BFD -204-1 2BF2 1/8 3-BFD -304-1 3BF3 3/16 4-BFD -404-1 4BF4 1/4 5-BFD -504-1 5BF5 5/16 6-BFD -604-1 6BF6 3/8 8-BFD -814-1 8BF8 1/2 10-BFD -1014-1 10BF10 5/8 12-BFD -1214-1 12BF12 3/4 14-BFD -1414-1 14BF14 7/8 16-BFD -1614-1 16BF16 1 Note : Dimensions are for reference only and are subject to change. Metric Tube Excel Metal part no. Equivalent Part no. Type 1 Equivalent part no Type 2 ODT ØT(MM) 2M-BFD -2M4-1 BFM2 2 3M-BFD -3M4-1 BFM3 3 4M-BFD -4M4-1 BFM4 4 6M-BFD -6M4-1 BFM6 6 8M-BFD -8M4-1 BFM8 8 10M-BFD -10M4-1 BFM10 10 12M-BFD -12M4-1 BFM12 12 14M-BFD -14M4-1 BFM14 14 15M-BFD -15M4-1 BFM15 15 16M-BFD -16M4-1 BFM16 16 18M-BFD -18M4-1 BFM18 18 20M-BFD -20M4-1 BFM20 20 22M-BFD -22M4-1 BFM22 22 25M-BFD -25M4-1 BFM25 25 Note : Dimensions are for reference only and are subject to change.