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Dormer HSS Split-Point Jobber Drill Bit, 4.5mm Diameter, 80mm Overall Length, 135° Point Angle, 10 Pieces A1084.5
Specifications
| Country of Origin | France |
|---|---|
| Brand | Dormer |
| Material | HSS |
| Model | A1084.5 |
| Overall Length | 80mm |
| Shank Type | Cylindrical/Straight |
| Shank Size | 4.5mm |
| Number of Pieces | 10 |
| Flute Type | Helical |
| Standards/Approvals | BS 328, ISO 235, DIN 338 RN |
| Number of Flutes | 5 |
| Cutting Direction | Right |
| Drill Point Angle | 135° |
| Drilling Length | 47mm |
| RS PRO HSS, 80mm Overall 4.5 mm 10Brand | RS PRO |
| Dormer HSS Jobber Drill Bit, 4.5mm Diameter, 80 mm OverallBrand | Dormer |
Key Features
- Made from premium tempered HSS steel for durability and performance.
- Features 135° split-point angle for excellent positional accuracy and reduced walking.
- Helical flute design ensures rapid swarf removal during drilling.
- Suitable for drilling stainless steel, cast iron, aluminium, plastics, and more.
- Includes 10 pieces with cylindrical/straight 4.5mm shank for secure fitting.
- Complies with BS 328, ISO 235, and DIN 338 RN standards.
- Blue surface treatment enhances wear resistance and tool life.
- Designed for both hand and machine tool use.
Product Description
Dormer A1084.5 HSS Split-Point Jobber Drill Bit Set comprises 10 pieces of premium high-speed steel (HSS) drill bits, each with a 4.5mm diameter and 80mm overall length. These drill bits are engineered for professional industrial use, delivering precise, clean holes with exceptional accuracy due to their 135° split-point angle design.
Crafted from hardened tempered HSS steel, these bits provide excellent toughness and stand up to demanding drilling applications involving stainless steel, cast steel, grey cast iron, malleable cast iron, nickel-brass, aluminium alloy, graphite, and plastics. The redesigned helix flute offers enhanced stiffness and fast swarf evacuation for efficient drilling with reduced clogging.
The set's cylindrical/straight shank fits securely in standard drill chucks, suitable for both hand-held and machine drilling tools. A blue surface treatment further improves wear resistance, extending the tool life in industrial environments.
These Dormer A108 bits are compliant with strict industry standards BS 328, ISO 235, and DIN 338 RN, ensuring reliable and consistent performance in industrial, manufacturing, construction, and maintenance settings.
Premium tempered HSS steel construction ensures durability. 135° split-point for self-centring and high precision holes. Helical flute design facilitates rapid chip removal. Blue surface treatment enhances corrosion and wear resistance.
Complies with BS 328, ISO 235, DIN 338 RN standards. Suitable for use on multiple materials including steels and plastics. Cylindrical/straight 4.5mm shank for secure attachment. 10-piece set marked with size for easy selection.
Machinery and hand tool compatibility. Manufactured in France with quality assurance.
These drill bits are an essential component in workshops, industrial manufacturing, and on-site maintenance for precision hole drilling. Browse more Dormer Drill Bits and other high-quality power tool accessories on EnvMart to meet diverse industrial drilling needs.
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Frequently Asked Questions
Each drill bit has a diameter of 4.5mm and an overall length of 80mm.
These bits are suitable for drilling stainless steel, cast iron, aluminium, plastics, and more.
The drill bits feature a 135° split-point angle, which aids in self-centering and enhances accuracy.
The set includes 10 pieces of drill bits.
The drill bits have a cylindrical/straight shank that fits securely in standard drill chucks.
They feature a helical flute design that facilitates rapid swarf removal during drilling.
The bits comply with BS 328, ISO 235, and DIN 338 RN standards.
The drilling length of each bit is 47mm.
These drill bits are manufactured in France.
The cutting direction of these bits is right-handed.
They are made from premium tempered HSS steel and have a blue surface treatment that improves wear resistance.
Yes, the drill bits are designed for compatibility with both hand-held and machine drilling tools.
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