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Dormer High-Speed Steel (HSS) 2.5mm Cylindrical Shank Split-Point Jobber Drill Bits, 57mm Overall Length, 135° Point A1082.5
Specifications
| Country of Origin | France |
|---|---|
| Brand | Dormer |
| Material | HSS |
| Model | A1082.5 |
| Overall Length | 57mm |
| Shank Type | Cylindrical/Straight |
| Shank Size | 2.5mm |
| Number of Pieces | 10 |
| Flute Type | Helical |
| Standards/Approvals | ISO 235, BS 328, DIN 338 RN |
| Number of Flutes | 5 |
| Cutting Direction | Right |
| Drill Point Angle | 135° |
| Drilling Length | 30mm |
Key Features
- Made from premium tempered High-Speed Steel (HSS) for durability and precision.
- Features a self-centering split-point with 135° drill point angle for accurate hole placement.
- Helical flute design with 5 flutes for rapid swarf removal and greater stiffness.
- Compatible with stainless steel, cast steel, cast iron, aluminium alloys, plastics, and more.
- Suitable for use on both hand and machine drilling applications.
- Blue surface treatment enhances drill bit longevity.
- Right cutting direction for efficient cutting performance.
- Cylindrical straight shank type ensures secure fitting in chucks.
Product Description
Dormer A1082.5 High-Speed Steel (HSS) jobber drill bit set comprises 10 precision-engineered drill bits, each with an overall length of 57mm and a 2.5mm cylindrical straight shank. These drill bits are crafted from premium tempered HSS material providing excellent wear resistance and durability suited for industrial, manufacturing, and mechanical applications.
The drill bits feature a self-centering split-point with a 135° angle, enabling superior positional accuracy and creating clean, precise holes. Their helical flute design, comprising 5 flutes, allows rapid evacuation of swarf during drilling, contributing to efficient cutting and reduced overheating. The newly designed helix also offers enhanced stiffness for extended tool life.
These bits are engineered for versatility, suitable for drilling into austenitic stainless steel, cast steel, grey cast iron, malleable cast iron, nickel-brass, aluminum alloys, graphite, and plastics. Not recommended for masonry applications.
The blue surface treatment improves wear resistance and corrosion protection, making these bits reliable for both hand-held and machine drilling equipment.
This set complies with recognized standards ISO 235, BS 328, and DIN 338 RN, ensuring consistent performance and quality. Manufactured in France, the Dormer A108 series is trusted in professional industrial environments.
Tempered HSS construction ensures durability. 135° split-point for precise hole drilling. Helical flute design with 5 flutes for effective chip removal. Compatible with a wide range of metals and plastics. Blue surface treatment enhances longevity and corrosion resistance.
Suitable for hand and machine use. Complies with ISO 235, BS 328, and DIN 338 RN standards. Set of 10 drill bits with 57mm overall length each. Cylindrical straight shank for secure chuck fitting. Manufactured in France.
These drill bits are ideal for professionals in manufacturing, mechanical engineering, and metalworking sectors requiring reliable and high-precision drilling tools. Browse the full range of Dormer drill bits and power tool accessories on EnvMart.
Explore more products in our Drill Bits & Parts category.
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Frequently Asked Questions
Each drill bit in this set has an overall length of 57mm.
The drill bits feature a cylindrical straight shank type, ensuring a secure fit in chucks.
These bits are suitable for drilling into austenitic stainless steel, cast steel, grey cast iron, malleable cast iron, nickel-brass, aluminum alloys, graphite, and plastics.
This set includes a total of 10 drill bits.
The drill bits have a 135° split-point angle for precise hole drilling.
The drill bits feature a helical flute design with 5 flutes, allowing for rapid swarf removal during drilling.
These drill bits comply with ISO 235, BS 328, and DIN 338 RN standards.
The cutting direction of these bits is right, which is standard for most drilling applications.
The drilling length of each bit is 30mm.
These drill bits are manufactured in France.
The bits feature a blue surface treatment that enhances wear resistance and corrosion protection.
These drill bits are suitable for use in both hand-held and machine drilling applications.
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