Ingco HSS Drill Bit Metal 4.5mm 10pcs DBT1100453

Our review

This is a 10-piece set of 4.5mm high-speed steel drill bits from Ingco, listed under model DBT1100453. HSS is the standard choice for drilling into metal, so these suit someone doing light fabrication, repairs, or regular workshop tasks where a single common size gets used often. Before buying, confirm your drill chuck accepts a 4.5mm shank and that your material matches HSS bits; for masonry or hardened steel you would want a different bit type. Compare against cobalt or titanium-coated bits if you drill harder metals, and check whether a mixed-size set would serve you better than ten of one size.