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- Dormer A940 Cobalt Steel Long Length Drill Bi...
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Item #:
18694942
Dormer A940 Cobalt Steel Long Length Drill Bit, Uncoated (Bright) Finish, Round Shank, 130 Degree Special Point, 4.50 mm
83% of respondents would recommend this to a friend
Item #:
18694942
XCD 259
Price Details
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*All items will import from US
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Imported from USA store
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Designed for drilling into a wide variety of metals and synthetic materials with best performance in steel, stainless steel, titanium, and alloyed aluminum magnesium.
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What Stands Out
Precision Engineering
Designed for accuracy, the A940 drill bit features a 130-degree special point that allows for clean, precise drilling, ensuring a professional finish every time.
Durable Material
Crafted from high-quality cobalt steel, this drill bit is engineered for longevity, providing exceptional resistance to wear and high heat during extended use.
Versatile Applications
Ideal for various materials, the 3.40 mm A940 drill bit is perfect for metal, wood, and composite materials, making it a versatile addition to any toolkit.
Product Details
| Brand Name | Dormer |
| Model | 0056288 |
| Unit Count | 1 Count |
| Global Trade Identification Number | 07320760056288 |
| Manufacturer | Precision Dormer |
| Part Number | A9404.5 |
| Item Weight | 0.01 g |
| Cutting Diameter | 0.18 inches |
| Item Dimensions | 0.5 x 0.04 x 0.39 inches (1.3 x 0.1 x 1 cm) |
| Material Type | Cobalt Steel |
| Finish Types | Uncoated |
| Shank Type | Round |
| Surface Recommendation | Alloy Steel |
| Cutting Angle String | 130 degrees |
| Tool Flute Type | Spiral |
| Material | Cobalt Steel |
| Finish Type | Uncoated |
Who Should Buy?
-
Precision Machinists
Ideal for precision machinists requiring accurate and long-lasting drill bits for intricate metalwork and drilling applications.
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Metal Fabricators
Perfect for metal fabricators who need reliable drill bits for creating precise holes in various metal types.
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Hobbyist DIYers
Beneficial for hobbyist DIY enthusiasts working with metal projects that require accurate drilling and long reach capabilities.
-
Woodworkers
Not ideal for woodworking tasks where standard wood drill bits offer better performance and efficiency in material removal.
Product Description
Dormer A940 Cobalt Steel Long Length Drill Bit, Uncoated (Bright) Finish, Round Shank, 130 Degree Special Point, 4.50 mm
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Customer Questions & Answers
-
Question:
What materials can the Dormer A940 drill bit effectively drill?
Answer: It is most effective for drilling steel, stainless steel, titanium, and alloyed aluminum magnesium. -
Question:
How deep can the A940 drill bit drill?
Answer: It can drill holes up to 10 times the diameter of the drill bit. -
Question:
What benefits does the AlCrN coating provide?
Answer: The coating reduces friction for efficient chip removal and extends the tool life.
Dormer Extra Long Drill Bits Editorial Review
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Pros
- Durable cobalt steel material
- Effective for tough materials
- Sharp special point design
- Long length for deep drilling
- Suitable for precision work
Cons
- May require frequent sharpening.
Platform Trust & Buyer Confidence
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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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10 September 2026 · via Trustpilot
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10 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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XCD 259
Order now and get it around Monday, October 19
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Features & Benefits
- Exceptional performance in drilling tough materials such as steel and titanium.
- Extra-length bit designed for deep hole drilling, achieving depths up to 10 times its diameter.
- PFX point and high-speed steel (HSS) with cobalt ensure outstanding durability and edge retention.
- Features an Aluminum chromium nitride (AlCrN) coating for enhanced chip removal and wear resistance.
- Single-pass drilling capability improves efficiency by eliminating the need for pecking.
- Manufactured to ANSI and DIN industry standards for superior quality and reliability.
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