JET EVS-949 Milling Machine with 2-Axis ACU-RITE 203 DRO & X Y-Axis Powerfeeds JT9-894312 MST/HST Strap Ties Do I need to pre-drill

Do I need to pre-drill holes in my composite decking before installing these screws

Fully Threaded: The 1-5/8" length is fully threaded for maximum holding power throughout the entire shank

non-expansion design makes it ideal for structural applications even at reduced edge distances and spacings - delivering exceptional load transfer with straightforward installation

What is the PS418PC used for

JET EVS-949 Milling Machine with 2-Axis ACU-RITE 203 DRO & X Y-Axis Powerfeeds JT9-894312 MST/HST Strap Ties Do I need to pre-drillJET EVS 949 Mill with 2 Axis ACU RITE 203 DRO and X, Y Axis JET Powerfeeds by JET is a precision vertical milling machine engineered for machinists who demand accuracy, durability, and smooth performance across a wide range of milling operations. Equipped with a 2 axis ACU RITE 203 digital readout and powered X and Y axis feeds, this mill delivers the control and repeatability professionals rely on for consistent, high quality results. Key Features