which can be any number you see fit for your job

8 x 2 Simpson Mod Truss-Head Self-Drilling Wire Lath Screws - Phillips Drive 410 SS - Carton (1000)

10 x 2 Simpson Pancake-Head Screw - Square Drive 410 SS - Carton (1000)

7/8-9 x 12 Socket Cap Screw Alloy

#4 x 6 High Speed Aircraft Bit Cobalt (6) Square Truss-Head Wood Screws 305 Stainless Steel which can be any number#4 x 6 High Speed Aircraft Bit Cobalt . Manufactured to NAS 907 Type J specifications Jobber flute lengths for drilling holes in hard to reach places Heavy duty construction for portable or machine drilling For use in drilling in high tensile strength alloy steels, stainless steels, titanium and other difficult to machine materials Made in the USA