Home Depot · Sep 2, 2026
$82
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Anyone drilling clean holes through concrete, brick, or masonry for conduit or plumbing work will get more mileage out of the diamond coating than a standard carbide bit, and having 10 sizes on hand means you won't be stuck mid-project without the right diameter. Buy Now at Home Depot
Amazon · 1 wk ago
$35
free shipping
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Cutting clean, precise holes in metal is the job here, so this suits anyone doing fabrication or drill press work who's tired of standard twist bits wandering or burning out on steel. Buy Now at Amazon
Features
- 31mm diameter 1-inch depth of cut
- High speed M2AL steel construction
- 3/4-inch Weldon shank with two flats
- Fits most standard magnetic drill presses
- Includes pilot pin
Amazon · 1 wk ago
$56
free shipping
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Suits anyone running a mag drill or drill press who needs clean, fast holes in steel without the chip clogging that comes with twist bits, and the TCT construction holds an edge longer through repeated use. Buy Now at Amazon
Features
- Cuts 10x faster than standard drill bits
- Drills hardened steel and stainless steel
- Produces burr-free finish for minimal rework
- Compatible with industry standard Weldon shanks
- 1 inch diameter with 1 inch cutting depth
Amazon · 1 wk ago
$17 $23
free shipping w/ Prime
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Anyone drilling clean holes through wood, plastic, or thin metal for plumbing or electrical work will get more mileage from the bi-metal construction than a standard hole saw, and it's currently $6 off the $23 list price at Amazon. Buy Now at Amazon
Features
- 10X faster core ejection via open-ended design
- Quickly change hole saw sizes with patented mandrel
- Universal mandrel for 3/4 inch to 6 inch diameters
- Simple slide sleeve engagement for faster transitions
- Wide slots improve visibility and cooling