Store › HP40 Straight Tip HP40 Straight Tip £5.81 B240030BA replacement tip for the HP40 iron. The tip is 3.0mm and has a 5.0mm diameter shaft. B240030BA replacement tip for the HP40 iron. The tip is 3.0mm and has a 5.0mm diameter shaft. Add To Cart Added! Related Products HP80 Straight Tip HP80 Angled Tip HP100 Straight Tip HP100 Angled Tip HP30 / ER30 Straight Tip