Tools & Gear Driver Bits Insert Bits

5300-SL5X25S #5 Slotted 25mm Insert Bit - 2Pk 25mm Insert Bit Slotted head fasteners are the oldest, and still a very popular, screw type. They are most often used in cabinet making, furniture construction and house renovation/restoration. All Bordo standard screwdriver bits are manufactured from premium heat treated alloy steel. Insert bits are not magnetic - they achieve magnetisation when used in conjunction with magnetic bit holders. Insert bits are a cost effective solution and inexpensive to replace in comparison to longer power bits.