Barrel Drum Thread AdaptorsThread adaptors for fixing or securing the pumps in different drums. All hand pumps come with 2" BSP male thread or use with 9001 when supporting drum pump. (Discount available when purchasing with a drum pump) 2 BSP fine, female thread to Trisure coarse, male thread (Orange) 6007 2 BSP fine, female thread to 2 Mauser coarse, male thread (Blue) 6008 2 BSP fine, female thread to DIN 71, female thread (Brown) 6001 2 BSP fine, female thread to DIN 61 31,