CMT 537.476.31 Forstner Bit 1-7/8" S=3/8" RH FJA Foundation Joist Anchor What is the G90 galvanized

What is the G90 galvanized coating on the HD7B and why does it matter

Hole Bottom: 5-1/4 in

precise results

Heavy-gauge construction (7 gauge) for superior strength and load capacity

CMT 537.476.31 Forstner Bit 1-7/8" S=3/8" RH FJA Foundation Joist Anchor What is the G90 galvanizedThe CMT 537. 476 is a 1 7 8" Forstner Bit for drilling precise flat bottom holes in softwood. Use for installing hinges, shelf pins, and hardware, and for creating arched or oval openings at any angle. SPECIFICATIONS Product Type Forstner Bit Diameter 1 7 8" Overall Length 90mm (3 35 64") Shank 10mm Cutting Edges 2 precision ground (T2) Spurs 2 ground spurs (V2) Rim Type Toothed rim (>=25mm, prevents overheating) Blade Material Super Strength (SP)