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Dormer Solid Carbide Drill Bit 8.5mm Size, 89mm Overall Length, 47mm Drilling Length, TiAlN Coating R4678.5
Specifications
| Country of Origin | Brazil |
|---|---|
| Brand | Dormer |
| Material | Solid Carbide |
| Model | R4678.5 |
| Finish | Titanium Aluminium Nitride |
| Overall Length | 89mm |
| Shank Type | Cylindrical |
| Shank Size | 10mm |
| Drill Bit Size | 8.5mm |
| Flute Type | Helical |
| Standards/Approvals | DIN 6537 K |
| Number of Flutes | 2 |
| Cutting Direction | Right |
| Drill Point Angle | 140° |
| Drilling Length | 47mm |
Key Features
- Constructed of solid carbide material ensuring long tool life.
- Features 2 helical flutes with unique flute construction for efficient chip removal.
- Overall length measures 89mm with a drilling length of 47mm.
- Shank is cylindrical with a 10mm diameter for secure fitting.
- Cutting direction is right-handed with a drill point angle of 140 degrees.
- Finished with titanium aluminium nitride providing excellent wear resistance.
- Coolant through design enables efficient heat dissipation during drilling.
- Complies with DIN 6537 K standard for quality assurance.
Product Description
Dormer R4678.5 Solid Carbide Drill Bit is engineered for industrial and manufacturing applications requiring high accuracy and durability. Constructed from premium solid carbide with titanium aluminium nitride (TiAlN) coating, this drill bit excels in drilling stainless steels and heat resistant super alloys.
Its 8.5mm drill bit size and 89mm overall length, with 47mm drilling length, make it suitable for precise, repetitive drilling jobs. The two helical flutes with unique flute construction support efficient chip evacuation, while coolant through capability helps maintain temperature control and tool longevity.
The cylindrical shank sized at 10mm ensures a secure fit in drill chucks. The 140° drill point angle with a right-hand cutting direction and S-shape 4-facet split point design provide sharpness and stability during high-speed drilling.
This drill bit conforms to DIN 6537 K standards and is manufactured in Brazil, offering reliability for industrial, manufacturing, metalworking, and machining uses. Ideal for construction, automotive, aerospace, and other heavy-duty sectors requiring stainless steel and alloy drilling.
Solid carbide material for enhanced wear resistance. Two helical flutes with CTW™ unique flute construction for chip control. TiAlN coating for heat and wear protection. Coolant through design for thermal management. Cylindrical shank for precision fitment.
140° drill point angle with S-shape 4-facet split point for accurate cutting. Compliance with DIN 6537 K standards. Manufactured in Brazil under stringent quality protocols. Explore EnvMart’s extensive range of precision Drill Bits for diverse industrial needs, featuring trusted brands and high-quality tooling performance.
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Frequently Asked Questions
The overall length of this drill bit is 89mm.
The drilling length of the Dormer R4678.5 is 47mm.
This drill bit has a diameter of 8.5mm.
It features a titanium aluminium nitride (TiAlN) coating for enhanced wear resistance.
The shank is cylindrical with a size of 10mm.
This model has 2 helical flutes.
The drill point angle is 140 degrees.
It complies with DIN 6537 K standards for quality assurance.
The cutting direction is right-handed.
It is engineered for drilling stainless steels and heat resistant super alloys.
This drill bit is manufactured in Brazil.
The coolant through design enables efficient heat dissipation during drilling, helping maintain temperature control.
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