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Bx/5 x 1: Hillman Rawl-Bolt Sleeve Anchor (370843)
Hex head
Grade 5
Vibration resistant
Anchor Size, Drill Size (Shown below)
Min imbed 1/4= 1-1/4", 3/8 = 2", 1/2 = 2-1/2", 5/8 =2-3/4", 3/4 = 3"