Buckle up, everyone! Let’s explore the cream of the crop: Our picks for best drill bit for steel
The best best drill bit for steel
HIDOTOL 13 PCS Cobalt Drill Bit Set M35 HSS Twist Drill Bits 1/16"-1/4" for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic with Indexed Rose Case
out of stock
Amazon.com
as of April 23, 2026 6:55 am
Features
- High Quality Material - Premium High Speed Steel M35 (Cobalt 5%) provide extended tool life compared to ordinary drill bits when drilling hard materials.
- Characteristics - 135° split point with round straight shank, self-centering prevent walking, make drilling precise and faster. Fully Ground twist design helps clear particles faster, decreases friction and heat for a cooler drilling performance.
- Widely Used - M35 Cobalt High Speed Steel is more suitable for tough, high tensile strength material. Particularly successful in cutting harden metals such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods.
- Specifications - Set of 13pcs jobber length drill bits includes: 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4.
- Organized Holder - The whole drill bit set are kept in Rose plastic case with size index holder for easy storage and organizing.
MACXCOIP Metric 13Pcs M35 Cobalt Drill Bit Set, 1.5mm-6.5mm HSS Cobalt Jobber Drill Bits, for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Plastic Index Storage Box
out of stock
Amazon.com
as of April 23, 2026 6:55 am
Features
- M35 Cobalt Drill Bit: The M35 cobalt drill bit is a durable, sharp and robust drill bit suitable for cutting stainless steel, iron castings, copper, aluminum and other soft metals as well as plastics, wood etc. Note that it is not applicable to quenched bolts
- Metric Size: The drill bits include 13pcs metric drills: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm, can meet more needs
- Quick and Efficient: The cobalt drill bit set can be used effectively on most soft and hard objects, with a 135 degree point tip and twist design for faster cutting, self-centering to prevent walk-off and faster chip and particle removal
- HSS Drill Bit Set: HSS cobalt drill bit set for hardened steel with excellent cutting performance. 19 sets of drill bits for long term use. The inserts are hardened and polished for improved sharpness and precise cutting without wobbling
- Easy Storage: The drill set includes a drill case with size indexes and is packaged in a small package for easy storage and sorting. If you have any questions, please refer to us and we will be happy to help you
THINKWORK Four Spiral Flute Step Drill Bit Set, 5 Pcs HSS Step Drill Bits (1/8"-1-3/8") Unibit Step Drill Bit, 1/4" and 3/8" Shank Step Bits for Aluminum, Wood, Plastic, Metal
out of stock
Amazon.com
as of April 23, 2026 6:55 am
Features
- ENHANCED DURABILITY: Our industrial-grade step drill set is meticulously crafted from high-quality alloy steel and undergoes multiple manufacturing processes. Each drill bit is carefully inspected at the factory to ensure superior quality and longevity.
- IMPROVED STABILITY: Unlike ordinary step drills that often suffer from deflection during cutting, our four-flute step drill bit provides exceptional stability. This feature enhances accuracy and cutting speed, making it perfect for stainless steel drilling. In fact, it offers a significantly longer service life compared to regular step drills.
- 5PCS NITRIDING STEP BIT KIT: Our 5-piece nitriding step bits set includes a range of sizes to cater to various drilling needs. The set comprises step bits with diameters of 3/16"-1/2" (6 steps), 1/8"-1/2" (13 steps), 1/4"-3/4" (9 steps), 3/16"-7/8" (12 steps), and 3/16"-1-3/8" (19 steps). All these bits come in a sturdy blow molded case for easy storage and transport.
- VERSATILE DRILLING CAPABILITY: With its powerful drilling capability, our step drill is suitable for piercing holes in various materials, including thin metal, copper, aluminum, iron, carbon steel, wood, and plastic. It's an essential addition to any DIY enthusiast's toolbox and can be utilized for a wide range of household projects.
- USER-FRIENDLY DESIGN: Our step drill bits feature laser-engraved step sizes, ensuring clear visibility and eliminating concerns about wear and tear during use. This design element enhances convenience and accuracy, making the drilling process easier and more efficient.
Can’t wait to see this in action?
Which Drill Bit Brand is Best? Let's find out!
12 drill bit (twist drill) brands tested for speed and durability on spring steel, 304 stainless, and mild steel using various drill bit ...
Best Drill Bits For Hardened Steel in 2023 - Top 5 Drill Bits For Hardened Steel Review
Links to the best drill bits for hardened steel listed in this review video: ▻ 1. DEWALT DW1361 Drill Bit Set ...
Best Drill Bits For Hardened Steel : Top Options Reviewed | Woodwork Advice
Read the full review here: ▻▻ https://panaceatools.com/drills/bits/hardened-steel/ (Best Drill Bits For Hardened Steel) ...
Price Drops Alerts
HIDOTOL 13 PCS Cobalt Drill Bit Set M35 HSS Twist Drill Bits 1/16"-1/4" for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic with Indexed Rose Case, HIDOTOL
out of stock
BUY NOW
Amazon.com
Wait For A Price Drop
Price History
Statistics
| Current Price | - | April 23, 2026 |
| Highest Price | 8.89 | January 6, 2026 |
| Lowest Price | 8.89 | January 6, 2026 |
Since January 6, 2026
Last price changes
| 8.89 | January 6, 2026 |
MACXCOIP Metric 13Pcs M35 Cobalt Drill Bit Set, 1.5mm-6.5mm HSS Cobalt Jobber Drill Bits, for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Plastic Index Storage Box, MACXCOIP
out of stock
BUY NOW
Amazon.com
Wait For A Price Drop
Price History
Statistics
| Current Price | - | April 23, 2026 |
| Highest Price | 8.98 | January 19, 2026 |
| Lowest Price | 8.98 | January 19, 2026 |
Since January 19, 2026
Last price changes
| 8.98 | January 19, 2026 |
THINKWORK Four Spiral Flute Step Drill Bit Set, 5 Pcs HSS Step Drill Bits (1/8"-1-3/8") Unibit Step Drill Bit, 1/4" and 3/8" Shank Step Bits for Aluminum, Wood, Plastic, Metal, THINKWORK
out of stock
BUY NOW
Amazon.com
Wait For A Price Drop
Price History
Statistics
| Current Price | - | April 23, 2026 |
| Highest Price | 35.99 | November 11, 2025 |
| Lowest Price | 32.49 | December 6, 2025 |
Since November 11, 2025
Last price changes
| 32.49 | December 6, 2025 |
| 35.99 | November 11, 2025 |