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Dormer Professional HSCo Cobalt Steel Jobber Drill Bit 4.2mm Shank, 75mm Overall Length, Bronze Finish A7774.2
Specifications
| Country of Origin | India |
|---|---|
| Brand | Dormer |
| Material | Cobalt Steel |
| Model | A7774.2 |
| Finish | Bronze |
| Surface Treatment | Bronze |
| Overall Length | 75mm |
| Shank Type | Cylindrical/Straight |
| Shank Size | 4.2mm |
| Number of Pieces | 10 |
| Flute Type | Helical |
| Standards/Approvals | DIN 338 |
| Number of Flutes | 4 |
| Cutting Direction | Right |
| Drill Point Angle | 135° |
| Drilling Length | 43mm |
| Dormer HSCo Jobber Drill Bit, 4.2mm Diameter, 75 mm OverallBrand | Dormer |
Key Features
- Made of cobalt steel for high tensile and tough material drilling applications.
- Features 4 helical flutes with right-hand spiral cutting direction.
- Bronze surface treatment enhances durability and corrosion resistance.
- Shank type is cylindrical and straight, ensuring secure fitting in tool chucks.
- Drill point angle is 135°, optimized for precise and efficient drilling.
- Drilling length is 43mm, suitable for medium-depth drilling tasks.
- Complies with DIN 338 industry standard for drill bits.
- Ideal for mechanical, fluid power, manufacturing, and industrial tool applications.
Product Description
Dormer A7774.2 professional HSCo cobalt steel jobber drill bit set features a 4.2mm diameter and 75mm overall length per bit, designed for high tensile and tough materials.
These drill bits include 4 helical flutes with a right-hand spiral cutting direction and a bronze finish for enhanced durability and corrosion resistance. The shank type is cylindrical and straight, allowing secure placement in compatible drills.
The drill point angle of 135° and drilling length of 43mm make these bits effective for precise and efficient medium-depth drilling. Conforming to DIN 338 standards, these bits ensure reliable performance and consistency.
This set of 10 cobalt steel drill bits is ideal for a wide range of industrial uses including mechanical, fluid power, manufacturing, and general workshop drilling tasks. Professionals and industrial users will appreciate the quality surface treatment and robust construction tailored to demanding drilling applications.
Made of high strength cobalt steel for durability. Includes 4 helical flutes for efficient chip removal. Right-hand spiral for typical drilling operation. Bronze surface finish protects against corrosion. Shank diameter of 4.2mm with cylindrical/straight style.
Drill point angle of 135° for clean cutting. Overall length: 75mm; drilling length: 43mm. Standards: DIN 338 compliant. Set comprises 10 pieces. This Dormer drill bit set is widely used in industrial manufacturing, mechanical workshops, fluid power system fabrication, and general tool maintenance sectors.
Explore the Dormer brand and variety of industrial Drill Bits and accessories available on EnvMart for professional-grade drilling solutions.
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Frequently Asked Questions
The overall length of this drill bit is 75mm.
It is made from cobalt steel, which is designed for high tensile and tough material drilling applications.
The drill bit has a diameter of 4.2mm.
The drill point angle is 135°, optimized for precise and efficient drilling.
The set comprises 10 pieces of drill bits.
It features a cylindrical and straight shank type, ensuring secure fitting in tool chucks.
The drilling length is 43mm, suitable for medium-depth drilling tasks.
It complies with the DIN 338 industry standard for drill bits.
This model includes 4 helical flutes for efficient chip removal.
The drill bit has a bronze finish that enhances durability and corrosion resistance.
It is ideal for mechanical, fluid power, manufacturing, and general workshop drilling tasks.
The cutting direction is right-hand spiral, which is typical for drilling operations.
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