Tools & Gear Driver Bits Insert Bits

5300-PH1GX25 #1 Phillips® Grippa® 25mm Insert Bit 25mm Insert Bit Grippa® insert bits feature a Phillips® Head (PH) form with the addition of ribbing on the bit surface. The ribbing on the insert bit grips in the recess of the screw greatly reducing 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.