1/4 x 1 1/4 Mushroom Spike Zinc Plated (100)

#44 Heavy Duty Jobber Drill Bit

Lengths out to 6 inches will be fully threaded

#60 Heavy Duty Drill Bit - Stubby Length

1/2-20 x 4 Socket Cap Screw Alloy

3/4-16 x 7 1/2 Hex Cap Screw SS 18-8 (A2) 7/16-20 Socket Cap Screws Alloy 1/4 x 1 1/4 Mushroom3 4 16 x 7 1 2 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