Nilfisk Advance 56003981 by Nilfisk Advance OEM No reviews 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Contact Us For Pricing And Availability Description Warranty OEM Cross Reference Machine Fitment Description SCR HEX THD TO HD M4-0.7X20MM Fits Nilfisk Advance 56003981 (alt # 56003981) Warranty OEM Cross Reference Machine Fitment