Hero image 0 of NEIKO 10189A Titanium Step Drill Bit, High-Speed Alloy Steel Bit, Hole Expander for Wood and Metal, 12 Step Sizes from 7/16 Inches to 1 1/8 Inches, 0 of 2
NEIKO 10189A Titanium Step Drill Bit, High-Speed Alloy Steel Bit, Hole Expander for Wood and Metal, 12 Step Sizes from 7/16 Inches to 1 1/8 Inches
Key item features
- Durable Construction: Made with #4241 high-speed steel and alloy steel, this drill bit features a titanium nitride coating for enhanced durability and a 2-flute design for efficient metal cutting.
- Versatile Application: This cone-shaped drill bit is suitable for use with most pistol drills, drill presses, or other hand power tools, and can be used for both metal and wood projects.
- Efficient Drilling: Equipped with a 135-degree split-point tip and a 2-fluted spiral design, it automatically deburrs and expands holes, facilitating a cleaner drilling process through steel, wood, and other thick metals.
- Multi-Size Capability: This single step drill bit offers 12 different hole sizes, ranging from 7/16 inches to 1 1/8 inches, eliminating the need for multiple bits.
- Heavy-Duty Performance: Designed for various projects, it can drill new holes or enlarge existing ones, providing a convenient and efficient tool for both home and jobsite tasks.
Generated by AI
Specs
- Cutting edge materialHigh-speed steel (HSS)
- Size7/16"
- Compatibilitymost pistol drills, drill presses, or other hand power tools
- Drill bit & set typeStep Drill Bits
- Piece count1
- BrandNeiko
More seller options (1)
Starting from $22.99
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About this item
Product details
Our 10189A Titanium Step Drill Bit lets you make the exact size hole you need for any project in your home or on the jobsite. Featuring a 135-degree split-point tip and a 2-flute design, this metal hole cutter will bore through any surface, including steel, wood, and other materials. It is designed in a cone shape to automatically tap, drill, and deburr holes in one simple step. Each step bit is constructed with high speed and alloy steel and features a titanium nitride coating for added durability, longer life, and cooler, faster, and cleaner drilling. To use, place the tip of the bit against the sheet of metal or slab of wood you’re working on and drill to the precise measurement you need. There’s no need to purchase multiple bits when you can get the job done with one easy drill bit. This multisized tool can drill holes in the following sizes: 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1 1/16", and 1 1/8". You can use our high-speed drill bit for steel jobs either at home or at work, and its small size allows you to pack it in your toolbox and take it wherever you go. Whether you need a multifunctional drill bit to cut through stainless steel or a new step bit to add to your equipment, NEIKO has your back with our durable, dependable, and strong tool selections.
- HIGH-QUALITY DRILL BIT: Our NEIKO 10189A Titanium Drill Bit is made with #4241 high-speed steel and alloy steel and has a titanium nitride coating for extra durability. The 2-flute design makes this bit a fast and long-lasting metal cutting tool.
- VERSATILE DRILL BIT: This multifunctional spiral drill bit fits securely in most pistol drills, drill presses, or other hand power tools. Use this versatile small cone-shaped drill bit for metal and wood projects at work or home.
- DRILL BIT FOR HARDENED STEEL: Use this steel drill bit for drilling steel, wood, and other thick metal. It has a 135-degree split-point tip and features a 2-fluted spiral design that automatically deburrs and expands holes for a cleaner drilling process.
- MULTISIZE DRILL BIT: This hole drill bit can drill holes in 12 different sizes. The step drill bit for metal can drill holes in the following sizes: 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1 1/16", and 1 1/8".
- HEAVY-DUTY DRILL BIT: Our multifunction drill bit is created to work with any project, large or small. You can use it to drill new holes or enlarge existing ones without having to change drill bits. Get your work done with confidence and speed!
info:
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Specifications
Cutting edge material
High-speed steel (HSS)
Size
7/16"
Compatibility
most pistol drills, drill presses, or other hand power tools
Drill bit & set type
Step Drill Bits
Warranty
Warranty information
Ridgerock Tools Inc. of Gardena, California, U.S.A. 90248 warrants the Neiko, Tooluxe, and Hiltex contained in the original packaging against defects in materials and workmanship when used normally for a period of 30 days from the date of original retail purchase by the end-user purchaser. Defects in materials and workmanship in our tools will constitute a hassle-free replacement or refund of the original retail purchase price.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
WARNING: California requires the following notice: WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles. California requires the following notice: WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles. California requires the following notice: WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles. California requires the following notice: WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: * lead from lead-based paints, * crystalline silica from bricks and cement and other masonry products, and * arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.Customer ratings & reviews
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Showing 1-3 of 9 reviews
Mar 28, 2026
Tomas
5 out of 5 stars review
Verified Purchase
Great drillbit
I am a homeowner that does it itself as much as possible and find myself doing weird and odd jobs. This is a great drillbit to help me with making the perfect size holes. I would recommend it to any homeowner. Do it yourself or
Incentivized Review
Helpful?46D5FOJZA5AS171751453
Dec 20, 2025
William
5 out of 5 stars review
Verified Purchase
Needing a boat drain and plug
I had to put a drain hole for my boat and it went and it did perfectly for me. I would definitely recommend this step drill.
Incentivized Review
Helpful?46D5FOJZA5AS171751453
Feb 19, 2026
Jessica
5 out of 5 stars review
Verified Purchase
Didn't break
This step bit works well for the price.
Incentivized Review
Helpful?46D5FOJZA5AS171751453
