1 1/4"-7 Drill Bits | McMaster-Carr

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22 Products

Fabricating and Machining

Drill Bits

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

15 products

Drill Rig Thread Adapters

Change thread sizes on bits to use them in drill rigs

1 product

Hollow-Core Cutters

Use in magnetic-base drills to form burr-free holes by only cutting the outside edge of a hole

5 products

Fastening and Joining

Threaded Inserts

Create new threads or repair stripped threads

1 product