Amazon.com: AConnet 3/16" - 5/8" Masonry Drill Bit Set, 9Pcs 3/8 Inch SDS Plus Bit Rotary Hammer Drill Bits Set Carbon Steel Carbide Tip Concrete Drill Bit Set for Brick, Stone, Block,
DEWALT 3/16-Inch Titanium Nitride Coated, Split Point Twist Drill Bit (DW1312) - Amazon.com
3/16 in. Titanium High Speed Steel Drill Bits, 7 Piece
Tacoma Screw Products | 3/16" — High Helix Jobber Drill Bit for Stainless Steel