Amazon.com: Bolt Base 10mm A2 Stainless Steel Countersunk Csk Hex Head Socket Screw Allen Bolts M10 X 40 - 50 : Industrial & Scientific
Countersunk Screws - All Points Fasteners
Hilti 3/8 in. x 3 in. Kwik Hus EZ Countersunk Screw Anchor for Concrete and Masonry (50-Piece) 2265704 - The Home Depot
Socket Flat Countersunk Head Cap Screw, 1/4-20 x 1/2", Alloy Steel, Black Oxide, Hex Socket (Quantity: 100) Coarse Thread, 1/4 inch Allen Bolt, Length: 1/2 inch, Full Thread: Amazon.com: Industrial & Scientific