U Drill Bits | McMaster-Carr

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System of Measurement

Drill Bit Size

0.35 mm to 2.5 mm (Increments of 0.05 mm)

1", 1 1/32", 1 1/16", 1 1/8", 1 5/32", 1 3/16", 1 1/4", 1 5/16", 1 3/8", 1 7/16", 1 1/2"

1.0 mm to 10.0 mm (Increments of 0.5 mm)

1.0 mm to 13.0 mm (Increments of 0.5 mm)

1.0 mm to 5.9 mm (Increments of 0.1 mm)

1.0 mm to 6.9 mm (Increments of 0.1 mm)

1.0 mm to 7.0 mm (Increments of 0.5 mm)

1/16" to 1/2" (Increments of 1/64")

1/16" to 1/2" (increments of 1/32")

1/16" to 1/4" (Increments of 1/64")

1/16" to 3/8" (Increments of 1/64")

1/2" to 1" (Increments of 1/64")

1/64" to 1/4" (increments of 1/64")

2.6 mm to 10.0 mm (Increments of 0.1 mm)

6.0 mm to 10.0 mm (Increments of 0.1 mm)

9/16" to 1" (increments of 1/16")

33/64" to 63/64" (Increments of 1/64")

For Use On

Length Class

Finish

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Uncoated

Zinc Plated

Decimal Size Equivalent

Overall Length

Thread Size

Shank Type

Material

Drill Bit Point Type

Flute Type

Number of Flutes

Point Angle

Maximum Tapping Depth

Diameter

Shank Size

Maximum Drilling Depth

Component

Sold As

Drill Bit Finish

Container Type

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

RoHS

REACH

40 Products

Fabricating and Machining

Drill Bits

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

20 products

Drill Taps

Drill and thread holes with the same bit

3 products

Drill Stops

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

1 product

Tap and Drill Bit Sets

Drill holes and cut internal threads in a variety of sizes

1 product

Containers, Storage, and Furniture

Tap and Drill Bit Stands

Organize taps and drill bits by size

1 product

Measuring and Inspecting

Drill Bit Size Gauges

Match your drill bit to one of the holes to confirm its size

1 product

Fastening and Joining

Threaded Inserts

Create new threads or repair stripped threads

2 products

Raw Materials

Steel

Strong, machinable, and weldable—all with material certificates for traceability

2 products