5/16" Drill Bits | McMaster-Carr

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217 Products

Fabricating and Machining

Drill Bits

Create holes in metal, wood, plastic, concrete, and more

Drill Bit Guides

Drill Bit Guides

Drill precise holes without building a fixture

Drill Stops

Limit how far bits can drill to create identical hole depths every time

Drill Bit Extensions

Drill Bit Extensions

Expand the reach of drill bits to get into deep and hard-to-reach spots

Tap and Drill Bit Kits

Tap and Drill Bit Kits

Drill holes and cut internal threads in a variety of sizes

Taps

Cut internal threads using a tap wrench or machine tool

Countersinks

Cut a cone-shaped opening in a hole to install flat head screws and rivets flush with the surface

Counterbores

Enlarge the top of a hole to install socket head screws and wood plugs flush with the surface

Containers, Storage, and Furniture

Tap and Drill Bit Stands

Tap and Drill Bit Stands

Organize taps and drill bits by size

Raw Materials

Steel

Strong, machinable, and weldable but lacks corrosion resistance

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)