If you work as a service professional or a contractor

9/32 Cobalt Heavy Duty Jobber Drill Bit

1/4 x 6 Magnetic Bit Holder 1PC

3/8-16 x 7 1/2 Socket Cap Screw Alloy

#53 Heavy Duty Jobber Drill Bit

5/8-11 x 3 3/4 Hex Cap Screw SS 18-8 (A2) 1-8 A307A Hex Tap Bolts Zinc Plated If you work as a5 8 11 x 3 3 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