The split drive anchor is a one-piece tamper-resistant

which means you can use them when you work in the same wall without them coming loose

2-4 1/2 x 6 Socket Cap Screw Alloy

#28 Heavy Duty Drill Bit - Stubby Length

25/32 x 6 Reduced Shank Drill Bit (1/2 Shank)

3/4-16 x 3 1/4 Hex Cap Screw SS 18-8 (A2) 3/4-10 Socket Cap Screws 18-8 Stainless Steel The split drive anchor is3 4 16 x 3 1 4 Hex Cap Screw SS 18 8 (A2) . 18 8 stainless steel hex cap screws will have a typical composition of 18% chromium and 8% nickel. These percentages exist in 303, 304 and 305 series stainless steels so 18 8 is used at times to designate any and all of those alloy groups. 18 8 stainless steel offers good corrosion resistance and machines easily but will over time stain in coastal environments. They are also acceptable for use in ACQ