Manuals Brands Harbor Freight Tools Drilling Bits Harbor Freight Tools Drilling Bits Manuals ProdManuals has more than 7 Harbor Freight Tools Drilling Bits manual(s) covering 7 model(s). 1 3 A D H S Models Document Type 1 1/4 in. _ 2_1/8 in. Forstner Drill Bit Set With 3/8 in. Shanks 16 Pc 115 Pc High Speed Steel Drill Bit Set with Index 3 3/8 in. Double Sided Rotary Spot Weld Cutter A Angle Drill Guide D Drill Bit Sharpener H High Speed Steel Drill Bits with 3/8 in. cutdown Shanks 29 Pc S Screw Extractor Set 12 Pc