Freud 4 mm (Dia.) Through Hole Bit TH40070R Rigid Connectors Do I need to predrill

Do I need to predrill before installing the SDCP Timber-CP screw

and how can I obtain them

Designed for optimum performance under demanding structural applications

The enclosed gearbox gives a wide range of inch & metric threading & feed capabilities with few gear changes

Freud 4 mm (Dia.) Through Hole Bit TH40070R Rigid Connectors Do I need to predrillDiameter: 4mm Length: 70mm Shank: 10mm Angle: 60 Max. Hole Depth: 35mm Rotation: RH Tools: Drill Press; Hand Held Drill Materials: Composites; Solid Surface; Veneered Plywood; Hardwoods; Softwoods Freud's boring bits are designed for multiple spindle machines. Boring bits are supplied with a 10mm shank with an adjustable top screw making them compatible with most boring machines. The 60 point makes for accurate hole location of through holes.