21 in - Drill Bits - The Home Depot

Question 1

What's the cheapest option available within Drill Bits?

Accepted Answer

Check out our lowest priced option within Drill Bits, the 3/16 in. x 21 in. Switch Bit Interchangeable Cable Shank Only by Eagle Tool US.

Question 2

Which brand has the largest assortment of Drill Bits at The Home Depot?

Accepted Answer

Vulcan has the largest assortment of Drill Bits.

Question 3

How do I choose a drill bit?

Accepted Answer

There are multiple factors to consider when shopping for drill bits. These factors include the size of the tool being used, how often the drill bit will be used and the material the bit needs to drill through. Drill bits are made of various materials to assist with your project needs. High-Speed Steel (HSS) drill bits are used for drilling wood, light metals, fiberglass and PVC. Black oxide-coated drill bits are more durable than standard HSS bits and the coating helps the drill bit resist rust. These are best for hardwood, softwood, PVC, fiberglass and steel. Titanium-coated drill bits have reduced friction, require less effort and last longer than black oxide-coated bits. These are best for hardwood, softwood, PVC, fiberglass and steel. Cobalt drill bits are used for drilling hard metal and steel. They dissipate heat quickly and are highly resistant to abrasions, making them better for drilling into hard metals than black oxide- or titanium-coated drill bits. When considering a cobalt drill bit vs. titanium, cobalt bits are usually the best drill bits for stainless steel. Carbide-tipped drill bits stay very sharp over long periods of use and are used mainly for concrete, tile and masonry. These are often the best masonry drill bits for your project. Within Drill Bits, the most common material type is Carbide.

Question 4

What materials can drill bits be used on?

Accepted Answer

Products available within Drill Bits can drill into Concrete, Brick, Wood and Steel.

Question 5

What are the shipping options for Drill Bits?

Accepted Answer

All Drill Bits can be shipped to you at home.

Question 6

What's the best-rated product in Drill Bits?

Accepted Answer

The best-rated product in Drill Bits is the 1-1/8 in. x 6 in. x 14 in. Breaker Moil Point.

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Bit Material

Bit Diameter

Shank Style

Number of Pieces

Bit Length (in.)

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Shank Diameter

Drilling Depth (in)

Savings Center

Milwaukee1/​2 in.​ x 21 in.​ 4-​Cutter SDS-​MAX Carbide Drill Bit

Milwaukee1-​1/​8 in.​ x 21 in.​ 4-​Cutter SDS-​MAX Carbide Drill Bit

Milwaukee3/​4 in.​ x 21 in.​ 4-​Cutter SDS-​MAX Carbide Drill Bit

Milwaukee1 in.​ x 21 in.​ 4-​Cutter SDS-​MAX Carbide Drill Bit

Milwaukee5/​8 in.​ x 21 in.​ 4-​Cutter SDS-​MAX Carbide Drill Bit

MilwaukeeSDSMAX 4CT MX4 7/​8 in.​ x 16 in.​ x 21 in.​

DIABLO3/​4 in.​ x 16 in.​ x 21 in.​ Rebar Demon SDS-​Max 4-​Cutter Full Carbide Head Hammer Drill Bit (1-​Piece)​

DIABLO2 in.​ x 16 in.​ x 21 in.​ Rebar Demon SDS-​Max 4-​Cutter Carbide-​Tipped Hammer Drill Bit

DIABLO1 in.​ x 16 in.​ x 21 in.​ Rebar Demon SDS-​Max 4-​Cutter Full Carbide Head Hammer Drill Bit

DIABLO5/​8 in.​ x 16 in.​ x 21 in.​ Rebar Demon SDS-​Max 4-​Cutter Full Carbide Head Hammer Drill Bit

DIABLO1-​1/​8 in.​ x 16 in.​ x 21 in.​ Rebar Demon SDS-​Max 4-​Cutter Full Carbide Head Hammer Drill Bit (1-​Piece)​

DIABLO7/​8 in.​ x 16 in.​ x 21 in.​ Rebar Demon SDS-​Max 4-​Cutter Full Carbide Head Hammer Drill Bit

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Milwaukee1/2 in. x 21 in. 4-Cutter SDS-MAX Carbide Drill Bit

Milwaukee1-1/8 in. x 21 in. 4-Cutter SDS-MAX Carbide Drill Bit

Milwaukee3/4 in. x 21 in. 4-Cutter SDS-MAX Carbide Drill Bit

Milwaukee1 in. x 21 in. 4-Cutter SDS-MAX Carbide Drill Bit

Milwaukee5/8 in. x 21 in. 4-Cutter SDS-MAX Carbide Drill Bit

MilwaukeeSDSMAX 4CT MX4 7/8 in. x 16 in. x 21 in.

DIABLO3/4 in. x 16 in. x 21 in. Rebar Demon SDS-Max 4-Cutter Full Carbide Head Hammer Drill Bit (1-Piece)

DIABLO2 in. x 16 in. x 21 in. Rebar Demon SDS-Max 4-Cutter Carbide-Tipped Hammer Drill Bit

DIABLO1 in. x 16 in. x 21 in. Rebar Demon SDS-Max 4-Cutter Full Carbide Head Hammer Drill Bit

DIABLO5/8 in. x 16 in. x 21 in. Rebar Demon SDS-Max 4-Cutter Full Carbide Head Hammer Drill Bit

DIABLO1-1/8 in. x 16 in. x 21 in. Rebar Demon SDS-Max 4-Cutter Full Carbide Head Hammer Drill Bit (1-Piece)

DIABLO7/8 in. x 16 in. x 21 in. Rebar Demon SDS-Max 4-Cutter Full Carbide Head Hammer Drill Bit