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Dormer Cobalt Steel Drill Bit, 109mm Overall Length, 6.8mm Shank Size, 10 Pieces A7776.8
Specifications
| Country of Origin | India |
|---|---|
| Brand | Dormer |
| Material | Cobalt Steel |
| Model | A7776.8 |
| Finish | Bronze |
| Surface Treatment | Bronze |
| Overall Length | 109mm |
| Shank Type | Cylindrical/Straight |
| Shank Size | 6.8mm |
| Number of Pieces | 10 |
| Flute Type | Helical |
| Standards/Approvals | DIN 338 |
| Number of Flutes | 4 |
| Cutting Direction | Right |
| Drill Point Angle | 135° |
| Drilling Length | 69mm |
| Dormer HSCo Jobber Drill Bit, 6.8mm Diameter, 109 mm OverallBrand | Dormer |
Key Features
- Made from high-strength HSCo cobalt steel providing superior toughness.
- Overall length measures 109mm with a drilling length of 69mm for versatile use.
- Features 6.8mm cylindrical straight shank for secure fit in drill chucks.
- Designed with a 135° drill point angle for sharp and accurate cutting.
- Bronze surface finish enhances resistance to wear and heat during operation.
- Helical flute type with 4 flutes ensures effective chip removal.
- Right-handed cutting direction optimized for general drilling tasks.
- Manufactured to DIN 338 standard ensuring high quality and consistency.
Product Description
Dormer A7776.8 cobalt steel drill bit set is engineered for professional and industrial drilling tasks requiring durability and precision. The set features 10 drill bits, each with a 109mm overall length and 69mm usable drilling length. Made from high-quality HSCo cobalt steel, these bits offer exceptional hardness suited for drilling tougher, high tensile materials.
The 6.8mm cylindrical straight shank ensures compatibility with a wide range of power tools and drill chucks. The drill bits are designed with a 135° point angle to provide sharp, accurate starts and reduce walking during operation. Additionally, the bronze finish enhances heat resistance and tool life by minimizing surface wear.
The helical flute type with four flutes guarantees efficient chip evacuation for smooth drilling performance. Right-hand cutting direction is standard and supports typical drilling applications. Conforming to DIN 338 standards, these drills meet stringent quality and dimensional accuracy requirements.
This 10-piece set is suitable for use in manufacturing, mechanical workshops, construction, and maintenance tasks where high-performance drilling is essential. The product reliability and consistent drilling quality make these bits a valuable asset for industrial use.
Durable cobalt steel material ensures extended tool life. 109mm overall length with 69mm drilling length suitable for various depths. Bronze surface treatment resists heat and wear. Helical 4-flute design improves chip flow and drilling efficiency.
Standard 6.8mm cylindrical shank fits most drills securely. Compliant with DIN 338 for professional-grade tooling. Right-hand cutting direction for conventional use. Pack of 10 bits allows for multiple or repeat applications.
These Dormer cobalt steel drill bits cater to industrial, mechanical, and construction sectors demanding robust and precise drilling tools. Explore more drill bits and accessories in EnvMart's Power Tools category.
Explore more products in our Drill Bits & Parts category.
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Frequently Asked Questions
Each drill bit in the set has an overall length of 109mm.
The shank size of these drill bits is 6.8mm, featuring a cylindrical straight design for secure fitting in drill chucks.
This set includes a total of 10 drill bits.
The drill bits are made from high-strength HSCo cobalt steel, which provides exceptional hardness and durability.
The usable drilling length of each bit is 69mm.
These drill bits are designed for right-handed cutting, which is standard for conventional drilling tasks.
The drill bits feature a 135° drill point angle, which aids in sharp and accurate cutting.
The drill bits have a bronze surface finish that enhances their resistance to wear and heat during operation.
Each drill bit is designed with 4 helical flutes, which ensure effective chip removal during drilling.
These drill bits are manufactured to conform to DIN 338 standards, ensuring high quality and consistency.
These drill bits are suitable for use in manufacturing, mechanical workshops, construction, and maintenance tasks that require high-performance drilling.
The drill bits feature a helical flute design that improves chip flow and drilling efficiency.
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