Click to expand Tap to zoom Auveco Item 24173 Hex Head Sems T.S. M6.3-1.81 X 20mm - Black. Quantity 50 by Auveco Save Liquid error (product-badge line 32): Computation results in '-Infinity'% $14.40 | / SKU 24173 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Description Cross Reference Fitment Description Auveco Item 24173 Hex Head Sems T.S. M6.3-1.81 X 20mm - Black. Quantity 50 Description: Tapping Screw Screw Size: M6.3-1.81 Length: 20mm Finish: Black Across Flats: 10mm Head Style: Hex, Sems Washer Diameter: 23.5mm Point Type: A/AB Cross Reference GM: 11503412 Fitment GM