SK11 (SK11) Screw removal bit NO.4 set

Application: Removing screws with crushed heads (for wood screws only). Bit engraving (1): Preparatory hole drill size 1.0mm, usable wood screw size: Diameter 1.6~2.4mm, total length 6.3~16mm Bit engraving (1.5): Preparatory hole drill size 1.5mm, usable wood screw size Size: Diameter 2.4~3.5mm, total length 16~32mm Bit engraving (2): Pilot hole drill size 2.0mm, usable wood screw size: Diameter 3.5~4.5mm, total length 32~40mm Applicable models: Forward/reverse rotation electric drill