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Dormer Solid Carbide Drill Bit 8mm Shank Size, 91mm Overall Length, Titanium Aluminium Nitride Coating R4638.0
Specifications
| Country of Origin | Brazil |
|---|---|
| Brand | Dormer |
| Material | Solid Carbide |
| Model | R4638.0 |
| Finish | Titanium Aluminium Nitride |
| Overall Length | 91mm |
| Shank Type | Cylindrical |
| Shank Size | 8mm |
| Drill Bit Size | 8mm |
| Flute Type | Helical |
| Standards/Approvals | DIN 6537 K |
| Number of Flutes | 2 |
| Cutting Direction | Right |
| Drill Point Angle | 140° |
| Drilling Length | 53mm |
Key Features
- Constructed from solid carbide for superior hardness and wear resistance.
- Features 2 helical flutes for efficient chip removal during drilling.
- Equipped with coolant-through capability to enhance cooling during operation.
- 140° S-shape 4-facet split point ensures precise and clean drilling.
- Designed with cylindrical shank for secure tool holding.
- Complies with DIN 6537 K standards for quality assurance.
- Ideal for drilling stainless steels and heat-resistant super alloys with high accuracy.
- Coated with titanium aluminium nitride to reduce friction and extend tool life.
Product Description
Dormer R4638.0 solid carbide drill bit, featuring an 8mm shank size and 91mm overall length with a 53mm drilling length, is engineered for high performance in industrial and manufacturing settings. The drill bit material is premium solid carbide with a titanium aluminium nitride coating to provide exceptional hardness and durability, making it ideal for drilling stainless steel and heat-resistant super alloys.
The drill bit includes 2 helical flutes and a coolant-through design to facilitate efficient chip removal and cooling during use, ensuring excellent process reliability. Its right cutting direction and a 140° S-shape 4-facet split point with thin edge honing deliver precise holes with high accuracy, crucial for applications requiring multiple consistent holes.
The cylindrical shank type ensures compatibility with standard chucks and stable tool holding. Manufactured in Brazil and compliant with DIN 6537 K standards, this drill bit meets industrial quality requirements.
Typical applications include use in industrial manufacturing, metalworking, tool rooms, and automotive industries where precision and durability are critical. Constructed from solid carbide for superior hardness and wear resistance.
Features 2 helical flutes for efficient chip removal during drilling. Equipped with coolant-through capability to enhance cooling during operation. 140° S-shape 4-facet split point ensures precise and clean drilling. Designed with cylindrical shank for secure tool holding.
Complies with DIN 6537 K standards for quality assurance. Ideal for drilling stainless steels and heat-resistant super alloys with high accuracy. Coated with titanium aluminium nitride to reduce friction and extend tool life.
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Frequently Asked Questions
The overall length of this drill bit is 91mm.
This drill bit is constructed from solid carbide, providing superior hardness and wear resistance.
The shank size of this drill bit is 8mm.
This model features 2 helical flutes for efficient chip removal during drilling.
It is coated with titanium aluminium nitride to reduce friction and extend tool life.
The drilling length of this model is 53mm.
The drill point angle is 140° with a 4-facet split point design.
Yes, it is ideal for drilling stainless steels and heat-resistant super alloys with high accuracy.
This drill bit complies with DIN 6537 K standards for quality assurance.
It features a cylindrical shank type for secure tool holding.
This drill bit is manufactured in Brazil.
The cutting direction of this drill bit is right.
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