CMT 392.200.11 Hinge Boring Bit 20mm (25/32") x 5/16" Parallel Shank Decorative Hardware What is the primary purpose

What is the primary purpose of the Simpson 1212HTHDG Heavy T Strap

Total Length (L) 90mm

070 is a 7 diameter 4 Flute Dowel Drill (Short Series)

which is a weaker and less reliable fastening method

CMT 392.200.11 Hinge Boring Bit 20mm (25/32") x 5/16" Parallel Shank Decorative Hardware What is the primary purposeThe CMT 392. 200 is a (Parallel Shank Hinge Boring Bit). Hinge boring bit with parallel (straight) shank for use in router tables, drill presses, and handheld drill machines. For drilling flat bottom hinge cup holes for concealed hinges. Rotation: Right hand (RH). SPECIFICATIONS Diameter (D) 20mm Total Length (L) 60mm Shank (S) 8mm Spurs 2 Number of Teeth 2 Product Type Hinge Boring Bit Series Parallel Shank Hinge Boring Bit Nominal Diameter Cutting