#44 Heavy Duty Jobber Drill Bit (12) 1-8 Hex Cap Screws 18-8 Stainless Steel Hardness requirements of HRB 68

Hardness requirements of HRB 68 - HRC 32 are met or exceeded

Over-sized thread diameter tightly fills the existing spike holes for better holding strength and a watertight fit #3 square drive virtually eliminates cam-out during hard to reach installations Durable UV resistant white and brown head paint matches most gutter systems Thick galvanized base coating guaranteed not to rust or react with aluminum Free driver bit included American made

1/16 Heavy Duty Jobber Drill Bit

hardness will range from HRC 31-39

3/8-16 x 3 3/4 Simpson Wedge Anchor 304 SS (50)

#44 Heavy Duty Jobber Drill Bit (12) 1-8 Hex Cap Screws 18-8 Stainless Steel Hardness requirements of HRB 68#44 Heavy Duty Jobber Drill Bit . Web construction is heavier than general purpose construction making it particularly suitable for cotter pin hole drilling and cross hole drilling in head of bolts. The heavy construction affords efficient drilling in stainless steel and other hard materials. The split point reduces the thrust requirements and minimizes walking.