Tools & Gear Driver Bits Insert Bits

5300-SR1X25 #1 Square Recess 25mm Insert Bit 25mm Insert Bit Square Recess fasteners are growing in popularity in some specialty areas such as decking screws and wooden boat building. The vertical sidewalls create a positive engagement between fastener and bit virtually eliminating cam-out. 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.