Are gimlet points (threaded points) required on large diameter lag screws? Large diameter lag screws typically do not require gimlet points because of the need for a pilot hole to lower the torque required to drive it into the wood.
Gimlet Points on Lag Screws - Portland Bolt
Lag Screw Gilmet Point Self Tapping Screw Special Bolts - China Machinery Screw, High Strength Screws
Lag Screw Pilot Hole Diameters - Portland Bolt
CSD345.46-H 3/4-5 Hex Head Lag Screw - Gimlet Point
Hillman 3/8X5 BLACK COATED EXTERIOR HEX LAG BOLT
Bolt Glossary - Portland Bolt
Gimlet Points on Lag Screws - Portland Bolt
Lag Bolt Sizes & Specifications
1/2X10 Hex Lag Screw Galvanized Gimlet Point