TOWSON, Md. — IRWIN®, a provider of hand tools and power tool accessories, launched its SPEEDBOR SUPREME™ self-feed bits and auger bits. The new line of SPEEDBOR SUPREME bits are engineered for high ...
When plumbers and electricians need to drill a large hole in framing lumber or other material—to make way for pipes and wiring—they usually opt for a self-feed bit (above). Such bits max out at a ...
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