Top 10 1-Inch Drill Bit – Step Drill Bits

As an Amazon Associate I earn from qualifying purchases.



Double Cutting Blades, COMOWARE Step Drill Bit, Titanium Coated, Total 10 Sizes, High Speed Steel, Short Length Drill Bit

COMOWARE #ad - Hss titanium coating - high speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler. Design - the split point tip is at 118 degrees to increase the wear resistance.

Size includes - one drill with 10 steps: 1/4", 3/4", 7/8", 1", 5/8", 1-1/4", 1/2", 1-1/8", 3/8", 1-3/8" can fit the majority of brands currently on the market. Meet your demands - with the step drill bits we offered, which greatly saves you a lot of trouble. Great for steel sheets/ aluminum sheets/ copper/ plastic/ wood board and many other types of sheet metal with ease countersunk.

Safety and stability- the 3 flat shank is better clamped on the pistol drill to prevent slippage and shedding during the rotation. Suitable for home diy, you can process different kinds of diameter holes, and General Building/ Engineering Use. The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation.
ManufacturerCOMOWARE #ad

2. Drill America


DWDRSD1 1" Reduced Shank High Speed Steel Drill Bit with 1/2" Shank, DWDRSD Series, Drill America

Drill America #ad - When run in a counterclockwise direction right-hand cut spiral fluted tools evacuate chips up and out of the cut to reduce clogging. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge. Round shanks allow use with a wide variety of toolholding systems. Ideal for drilling in low and medium tensile strength materials.
BrandDrill America #ad
ManufacturerChicology #ad
Height0.8 Inches
Length7.7 Inches
Weight0.55 Pounds
Width1.7 Inches
Part NumberDWDRSD1



COMOWARE 1 inch Reduced Shank Drill Bit- 1/2 inch Shank, HSS Silver and Deming, Black & Gold

COMOWARE #ad - Special design - unique tri-flat shank and 1/2” reduced shank can lock onto chuck to permit portable drilling. 135-degree penetrates hard material without a pilot hole and produces small chips to reduce clogging. The split point tip can increase the wear resistance.

Black and gold oxide finish - premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant than the regular black surface. The special design can drill tough and high-tensile strength materials. The bit is only suitable for portable drilling with 1 / 2 "drill chuck, not applicable to other drill chuck sizes. 135-degree & split point - increases cutting speed with self-centering and prevents walking, clears chips and particles faster.

General purpose - it is ideal for drilling steel, MDF, aluminum, brass, oak, PVC, acrylic, pine, maple, ABS, polycarbonate, copper, nylon and composite materials. High quality material - high speed steel M2 Black and Gold, resists corrosion, ensures outstanding durability, sharpness and capability, reduces the friction and runs cooler.
ManufacturerCOMOWARE #ad

4. McJ Tools


Plumbers, Metal Professionals, Steel, DIYs, Alloy, McJ Tools 1 Inch HSS M2 Drill Bit Hole Saw for Metal, Iron, Ideal for Electricians

McJ Tools #ad - Work well with abrasive materials like high density resin and metal plates. By using liquid coolant, it can cut over 100 holes in steel plate ~
BrandMcJ Tools #ad
ManufacturerMcJ Tools #ad
Height3.15 Inches
Length0.98 Inches
Weight0.25 Pounds
Width0.98 Inches



EFFICERE 8-Piece Premium 1/2” Reduced Shank Silver and Deming Large Drill Bit Set in Aluminum Carry Case, 135-Degree Split Point | SAE Inch Size 9/16”, 1” by 1/16th Increment, M2 High Speed Steel

EFFICERE #ad - 1/2 inch reduced shank with tri-flatted end locks onto 3-jaw power tools chuck more securely and eliminates slips. Superior gold titanium and black nitride dual coating finish holds up lubricant better for smoother drilling, and is 80% more durable and corrosion resistant than regular black enamel finish.

Premium cobalt high speed steel construction for proven capability and durability to drill holes in wood, plastic, copper, stainless, aluminum, sheet metals and many other types of materials. Set includes 8 pieces 6” long silver & deming drill bits in a heavy duty aluminum storage case for easy carrying and organization: 9/16”, 7/8”, 3/4”, 13/16”, 11/16”, 15/16”, 5/8”, 1”.135° split point design at tip increases cutting speed with self-centering feature and prevents drill walking or wobbling.
Part NumberDL-001

6. Freud


Freud Precision Shear Serrated Edge Forstner Drill Bit 1-Inch by 3/8-Inch Shank PB-007

Freud #ad - Steep angled cutting edges – produce holes that are smooth and flat, and create “chisel-like" curls for fast, clean chip removal. Quality forged Construction for extended life. Ultra sharp Spur to ensure an accurate starting hole. Razor sharp serrated edge for fast and flawless cutting.
BrandFreud #ad
ManufacturerFreud #ad
Height1 Inches
Length1 Inches
Weight0.04 Pounds
Width1 Inches
Part NumberPB-007



IRWIN SPEEDBOR Tri Flute Wood Drill Bit 1" X 6"3041007

IRWIN #ad - Cutting spurs have 3 cutting edges. Power cutting & Sawing. Country of manufacture: China. Manufacturer: Irwin Speedbor.
BrandIRWIN #ad
ManufacturerIRWIN #ad
Height0.3 Inches
Length9 Inches
Weight0.15 Pounds
Width2 Inches
Part Number3041007



1 Inch Forstner Bit, Wood Forstner Drill bit by BASYNOL, Wood Drilling 1-InchØ25mm by Round Shank

BASYNOL #ad - Designed to fit the majority of brands, hardwoods, suitable for all drill drivers and pressers. Comes with a durable storage case. Basynol forstner bits set, and that is drilling into sycamore, it's a tool to get pleasured work! Easy to start: ultra Sharp Spur to ensure an accurate starting hole without slipping.

Steep angled cutting edges: produces smooth and flat hole, and create “chisel-like" curls for fast, clean chip removal. Precise, clean hole: it cuts cleanly and accurately with no wobbling or burning the wood. Excellent for drilling wood holes which you want. Super sharp : just like a hot knife thru warm butter, so smooth, best choice, so fast. High speed carbide steel: works for plywoods, softwoods, veneer and non-laminated chipboard.
BrandBASYNOL #ad
ManufacturerBasynol #ad
Part NumberBSNTOOL002

9. CO-Z


HSS Multi Size Hole Stepped Up Unibit for DIY Lovers Electrician, CO-Z 10 Sizes Titanium Step Drill Bit, 1/4 to 1-3/8 Inches High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting

CO-Z #ad - Revolutionary design - tri-flatted shank fits into power tools chuck securely and eliminates slip; two-flute design clears chips faster and allows particles to escape easily. Includes 10 step sizes - 1/4", 1-1/8", 3/4", 1/2", 3/8", 5/8", 1-1/4", 7/8", 1", 1-3/8".

A must-have for handyman or professionals - perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, iron and many other types of sheet metal excluding steel or any other harder metal. Titanium coating - coated with titanium, this step drill set performs well in heat, corrosion and rust resistance.

Hss & plastic & titanium coating - high-speed steel makes it last longer than others, titanium coating ensure easily cut through iron sheets, aluminum sheets, copper & wood board and many other types of sheet metal with ease, and it can automatically deburr holes while drilling to keep the drill bit clean.
BrandCO-Z #ad
ManufacturerCO-Z #ad
Part NumberSDB-2017-01



Plastic, Hex Shank 7/16-Inch, SOMADA 1-Inch x 12-Inch Auger Drill Bit for Wood, Drywall and Composite Materials, Ship Auger Long Drill Bit for Soft and Hard Wood

SOMADA #ad - Easy to bore into tree stump, Tree stump boring, Landscape Timber, Plywood, landscape timber, vigas and railroad ties.100% satisfaction guarantee by our customer service team.

Perfect for drilling into soft and hardwood, installing PVC pipes, railroad ties, lumber, MDF, Lumber, for up to 10” deep hole. Self feeding coarse screw point desgined for faster drilling. Solid center Design for extra rigidity while boring. Single-spur cutting edge scribes the circumference of the hole for a smoother finish. Somada is a US brand. The cutting flute is milled with hollow centers for faster chip clearance. Made of carbon steel. 1" diameter x 12" long auger drill Bit with a 7/16" Hex Shank.
BrandSOMADA #ad
ManufacturerSOMADA #ad
Height1 Inches
Length11.8 Inches
Width1 Inches
Part NumberSOMA-ADB4000