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Item #:
101850499
Step Drill Bit, 3/16 Inch-7/8 Inch 12 Steps Size Four Spiral Flute M35 Cobalt Step Core Bit for Metal with 1/4 Inch Quick-fit Shank Hole Saw for
81% of respondents would recommend this to a friend
Item #:
101850499
TZS 132939
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Only 8 items left in stock.
Order now and get it around Sunday, October 04
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Experience effortless drilling through a variety of materials with our M35 Cobalt HSS Step Drill Bits.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Versatile Material Use
Designed to cut through stainless steel, aluminum, wood, plastic, and copper, this step drill bit provides multi-material functionality, making it ideal for various projects.
M35 Cobalt Construction
Crafted from durable M35 cobalt, this step drill bit offers exceptional hardness and heat resistance, ensuring longevity and reliability even under demanding conditions.
Quick-fit Shank
Equipped with a 1/4 inch quick-fit shank, the drill bit allows for easy and fast changes, improving efficiency and convenience during drilling tasks.
Product Details
| Brand Name | DARTOTEK |
| Model | DARTOTEK-M35-12STEP-HSS-QFHS-84MM |
| Unit Count | 1 Count |
| Manufacturer | SHANGHAI DIATOOL CO., LTD. |
| Part Number | DK2-O001078402 |
| Minimum Bore Diameter | 0.75 inches (1.9 cm) |
| Material Type | High Speed Steel (HSS) |
| Finish Types | Titanium Aluminum Nitride |
| Shank Type | Hex |
| Surface Recommendation | Alu, Plastic, Stainless Steel, Wood |
| Cutting Angle String | 118 degrees |
| Tool Flute Type | Spiral |
| Point Style | Split Point |
| Number of Flutes | 4 |
| Material | High Speed Steel (HSS) |
| Finish Type | Titanium Aluminum Nitride |
| Brand | DARTOTEK |
| Item Weight | 0.2 lbs (90 grams) |
Who Should Buy?
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Metal Workers
Ideal for professionals working with stainless steel, aluminum, and other metals requiring precision drilling and smooth finishes.
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Woodworkers
Perfect for woodworkers needing to create clean and accurate holes in various wooden materials for projects.
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DIY Enthusiasts
Great for hobbyists and DIYers looking for a reliable, multitasking drill bit for home improvement and craft projects.
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Incomplete Drill Jobs
Not suitable for users needing complete drill bits for deep hole applications beyond the step range of this product.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What are the benefits of using an M35 Cobalt Step Drill Bit?
Answer: The M35 Cobalt Step Drill Bit is designed to provide exceptional durability and precision. Made from cobalt steel, it is resistant to wear and can handle tough materials such as stainless steel and aluminum with ease. The step design allows you to drill multiple hole sizes without changing bits, making it an efficient tool for professionals and DIY enthusiasts alike. It is particularly useful in applications where clean holes are essential, such as plumbing and electrical work. -
Question:
How does the spiral flute design enhance drilling performance?
Answer: The spiral flute design of the M35 Cobalt Step Drill Bit aids in smooth chip removal and reduces friction while drilling. This feature allows for quicker and cleaner drilling, preventing the bit from overheating and extending its operational life. In scenarios where you need to drill through multiple layers of material, this design ensures that debris doesn't clog the bit, maintaining efficiency and effectiveness throughout the drilling process. -
Question:
What materials can the M35 Cobalt Step Drill Bit effectively drill through?
Answer: The M35 Cobalt Step Drill Bit is capable of drilling through a variety of materials, including tough metals like stainless steel, copper, aluminum, and even plastic. Its construction allows it to maintain sharpness longer than standard steel bits, providing cleaner holes in hard-to-drill surfaces. This versatility makes it ideal for a wide range of applications, from manufacturing to home improvement projects, where different materials may be encountered. -
Question:
What is the significance of the quick-fit hexagon shank?
Answer: The quick-fit hexagon shank of the M35 Cobalt Step Drill Bit ensures a secure connection with a drill or impact driver, allowing for rapid changes between different bits. This feature enhances convenience and productivity, especially when multiple hole sizes are required in quick succession. When working on projects that demand efficiency, such as construction or electrical installations, this design simplifies the process by reducing downtime during bit changes. -
Question:
Can this step drill bit be used for both professional and DIY projects?
Answer: Yes, the M35 Cobalt Step Drill Bit is suited for both professional tradespeople and DIY enthusiasts. Its durability and precision make it a reliable choice for heavy-duty tasks, while its user-friendly design caters to those who may be less experienced. This dual applicability ensures that whether you are replacing plumbing fixtures or undertaking large-scale renovations, the bit will deliver consistent performance. -
Question:
How can I achieve better results when using this drill bit?
Answer: To enhance performance with the M35 Cobalt Step Drill Bit, ensure that you use appropriate RPM settings on your drill, and consider using cutting oil on tougher materials to reduce friction and heat. Making sure the bit is appropriately aligned with the drilling surface is crucial to prevent wandering and ensure accuracy. This practice is especially vital when precision matters, such as in electrical or mechanical applications. -
Question:
What is the difference between this drill bit and standard high-speed drill bits?
Answer: The primary difference lies in the material; M35 Cobalt Step Drill Bits contain cobalt, which allows them to withstand higher temperatures and maintain sharpness longer than standard high-speed steel (HSS) bits. Consequently, cobalt bits perform better on hard materials and are less prone to dulling. This makes the M35 Cobalt a superior choice for frequent and rigorous drilling tasks where standard HSS bits may struggle. -
Question:
What is the size range of holes I can drill with this step drill bit?
Answer: The M35 Cobalt Step Drill Bit is designed with 13 steps that allow you to drill holes ranging from 1/8 inch to 1/2 inch. This wide range of sizes in one bit eliminates the need for multiple drill bits and accommodates various tasks efficiently. This versatility is especially beneficial when working on projects that require different hole sizes without switching tools continuously. -
Question:
Is this drill bit suitable for overhead drilling tasks?
Answer: Absolutely! The M35 Cobalt Step Drill Bit is well-suited for overhead drilling tasks. Its robust design helps prevent binding and provides a secure grip, which is crucial when working in awkward positions. For example, when installing lighting fixtures or running wiring in ceilings, this drill bit can handle the task effectively, offering both precision and control. -
Question:
Where can I buy the M35 Cobalt Step Drill Bit in Tanzania?
Answer: You can purchase the M35 Cobalt Step Drill Bit exclusively at Ubuy in Tanzania. Ubuy offers a user-friendly shopping experience, a wide range of products and categories to explore, and detailed information to aid your purchase decision. By selecting Ubuy, you’re assured of high-quality products and a convenient online shopping journey.
DARTOTEK Step Drill Bits Editorial Review
The M35 Cobalt Step Drill Bit is gaining positive traction among customers for its efficient performance, particularly when used on thin materials. Users appreciate its ability to quickly punch through sheet metal and perform well on other materials like plastic and wood. The drill bit's four-step flute design is noted for providing precision in drilling at varying diameters, enhancing its versatility for various applications. While some users have expressed concerns about durability—reporting that the bit dulled after heavy use on tougher materials—most agree that it excels in situations where lighter drilling tasks are required. Customers highlight the importance of employing the right tool for the job, indicating that the M35 is best suited for smaller sizes rather than tackling thicker materials. At a competitive price point of under $25, it presents itself as an excellent value addition to toolkits, especially for users focused on installation projects and lighter metal work. **
Customer Reviews & Ratings
6 customers ratings
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5 Star
28%
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4 Star
46%
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3 Star
0%
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2 Star
0%
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1 Star
26%
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Pros
- Efficient and quick drilling through thin mild steel.
- Versatile, performing well on wood and plastic in addition to metal.
- Four-step flute design allows for precise drilling at various diameters.
- Exceptional value for money under $25.
- Generally recommended for its performance and durability.
Cons
- May dull quickly when used on thicker materials.
Platform Trust & Buyer Confidence
JG
Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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Emmanuel
Verified buyer
“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”
31 August 2026 · via Trustpilot
F
fnd
Verified buyer
“The delivery was fast and the product came undamaged and authentic.”
29 August 2026 · via Trustpilot
LC
Leana
Verified buyer
“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”
25 August 2026 · via Trustpilot
HL
Hengo
Verified buyer
“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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TZS 132939
Order now and get it around Sunday, October 04
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 8 items left in stock.
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Drill through metal, stainless steel, aluminum, and more with ease.
- Includes 9 versatile step sizes for maximum utility.
- Features a split point to prevent walking during drilling.
- TiAlN coating ensures high cutting speeds and durability.
- Compatible with hand electric drills and bench drills.
- Recommendation for use includes cutting oil for extended tool life.
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