A renewable drill bush of type B with bore d1 = 18mm d2 = 28mm and L1 = 32mm shall be designated as renewable drill bush B 18 x 28 x 32 IS : 666 (Part II) slip renewable bushes of type B, if required with entry groove, to be indicated in the designation as renewable drill bush (EG) 18 x 28 x 32 IS : 666 (part II)
| All Dimensions in Millimeters |
| d1 G7 | d2 h6 | d3 | d4 | d5 | L1 | L2 | L3 | L4 | Z |
| From | To | Short | Med. | Long | For L1 Med. | For L2 Long |
| 1.2 | 2.65 | 8 | 15 | 12 | 3 | 8 | 12.5 |
| 8 | 1 | 4.5 |
| 0.02 |
| 2.651 | 4.75 | 10 | 18 | 15 | 5 | 10 | 16 | 25 | 6 | 15 |
| 4.751 | 8.5 | 15 | 24 | 20 | 9 | 12.5 | 20 | 32 | 10 | 1 | 8 | 20 | 0.03 |
| 8.501 | 14.0 | 22 | 32 | 28 | 14.5 | 16 | 25 | 40 | 9 | 24 |
| 14.001 | 19.0 | 28 | 40 | 36 | 20 | 20 | 32 | 50 | 12 | 1.5 | 12 | 30 |
| 19.001 | 25.0 | 35 | 50 | 46 | 26 |
| 25.001 | 33.5 | 46 | 60 | 56 | 35 | 25 | 40 | 63 | 16 | 2 | 15 | 38 | 0.04 |
| 33.501 | 45.0 | 58 | 74 | 70 | 47 |