ISO TS16949 approved manufacturing.A comprehensive range of grease nipples in BSP, SAE and mm sizes.All sizes are available in straight, button head, 45 and 90 variants.Heat treated to SAE J534 specs.Hardness on greasing end in a minimum of 83 on Rockwell 15N scale. CODE : SIZEGRO7018BSP STRAIGHT B X 25. Part No.