Amazon.com : Ashman Ground Screw (4 Pack), No Dig, U-Model Screw in Post Stake - 27" Inch Long, Fits Standard 4x4 (3.5" X 3.5" Inch) Great for Mailbox Posts. : Patio, Lawn
Hillman 1/2-in x 10-in Zinc-Plated Hex-Head Interior Lag Screws in the Lag Screws department at Lowes.com
M1 M1.2 M1.4 Phillips Round Pan Head Self-tapping Screw Bolt Screws Bolts Black M1.4x4.5mm 100pcs - Screws - AliExpress