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Dormer Cobalt Steel Drill Bit, 3.5mm Shank Size, 70mm Overall Length, 135° Point Angle, 10 Pieces A7773.5
Specifications
| Country of Origin | India |
|---|---|
| Brand | Dormer |
| Material | Cobalt Steel |
| Model | A7773.5 |
| Finish | Bronze |
| Surface Treatment | Bronze |
| Overall Length | 70mm |
| Shank Type | Cylindrical/Straight |
| Shank Size | 3.5mm |
| Number of Pieces | 10 |
| Flute Type | Helical |
| Standards/Approvals | DIN 338 |
| Number of Flutes | 4 |
| Cutting Direction | Right |
| Drill Point Angle | 135° |
| Drilling Length | 39mm |
| Dormer HSCo Jobber Drill Bit, 3.5mm Diameter, 70 mm OverallBrand | Dormer |
Key Features
- Made of cobalt steel for enhanced toughness and durability.
- Each bit features 4 helical flutes and a bronze surface treatment.
- Shank type is cylindrical/straight with a 3.5mm shank diameter.
- Drill point angle of 135° ensures efficient cutting.
- Overall length is 70mm with a drilling length of 39mm.
- Right hand cutting direction with a bronze finish.
- Meets DIN 338 standards for high-speed steel jobber drill bits.
- Right hand spiral flute type enhances chip removal.
Product Description
Dormer A7773.5 is a professional cobalt steel drill bit set designed for industrial and mechanical drilling applications. Each bit in this set has a 3.5mm cylindrical shank and an overall length of 70mm, making them suitable for precision drilling in tougher materials with high tensile strength.
The cobalt steel construction ensures increased hardness and wear resistance, allowing for longer tool life and better performance in demanding environments. The set features 4 helical flutes with a right-hand spiral, optimizing chip removal and improving drilling efficiency. The bronze surface treatment further enhances durability and corrosion resistance.
These drill bits have a drill point angle of 135°, designed for efficient cutting and reduced wandering on the material surface. The drilling length is 39mm, suitable for various general-purpose and specialist drilling tasks. The bits conform to DIN 338 standards, representing high-speed steel jobber drill bits quality.
This set contains 10 pieces, each with a shank diameter of 3.5mm, perfect for a range of industrial, mechanical, HVAC, manufacturing, and laboratory applications where precision and durability are essential.
High-quality cobalt steel material for enhanced toughness. Bronze surface treatment for corrosion resistance. 4 helical flutes with right-hand spiral for chip evacuation. 135° drill point angle for efficient cutting. Complies with DIN 338 standards for performance and quality.
Set comprises 10 drill bits with 70mm overall length each. Cylindrical/straight shank type ensures shaft compatibility. Designed for drilling higher tensile and tougher materials. Ideal for industrial, construction, and manufacturing use.
Professional grade jobber drill bits for precision. Explore the full range of Dormer drill bits and power tool accessories at EnvMart to ensure optimal drilling performance and tool integration for your industrial needs.
Explore more products in our Drill Bits & Parts category.
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Frequently Asked Questions
The overall length of each drill bit in the Dormer A7773.5 set is 70mm.
These drill bits are made of cobalt steel, which enhances their toughness and durability.
The drill point angle of the Dormer A7773.5 drill bits is 135°, designed for efficient cutting.
The set includes 10 pieces of drill bits.
The shank size of each drill bit is 3.5mm with a cylindrical/straight type.
The Dormer A7773.5 drill bits comply with DIN 338 standards for high-speed steel jobber drill bits.
Each drill bit features 4 helical flutes with a right-hand spiral for optimized chip removal.
The drilling length of each bit is 39mm, suitable for various drilling tasks.
The drill bits have a bronze surface treatment that enhances their durability and corrosion resistance.
These drill bits are designed for right-hand cutting direction.
The Dormer A7773.5 drill bits are manufactured in India.
These drill bits are suitable for industrial, mechanical, HVAC, manufacturing, and laboratory applications where precision is essential.
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