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Dormer Solid Carbide Drill Bit 8.5mm Size 103mm Overall Length 61mm Drilling Length TiAlN Coating R4638.5
Specifications
| Country of Origin | Brazil |
|---|---|
| Brand | Dormer |
| Material | Solid Carbide |
| Model | R4638.5 |
| Finish | Titanium Aluminium Nitride |
| Overall Length | 103mm |
| 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 | 61mm |
Key Features
- Constructed from premium solid carbide material for durable cutting performance.
- Coated with Titanium Aluminium Nitride (TiAlN) for enhanced wear resistance.
- Two helical flutes with coolant-through capability for efficient cooling.
- Features a 140° point angle and S-shape 4-facet split point for precise drilling.
- Cylindrical shank of 10mm size for stable tool holding.
- Right-hand cutting direction with precise thin edge honing.
- Meets DIN 6537 K standards and originates from Brazil.
- Ideal for industrial, manufacturing, construction, and metalworking applications.
Product Description
Dormer R4638.5 Solid Carbide Drill Bit is a high-performance drilling tool with an 8.5mm drill size, overall length of 103mm, and drilling length of 61mm. Manufactured from premium micrograin solid carbide substrate and finished with Titanium Aluminium Nitride (TiAlN) coating, it is engineered to provide excellent wear resistance and reliability in demanding machining operations.
This drill bit features two helical flutes with coolant-through design allowing effective heat dissipation during drilling. The 140° S-shape 4-facet split point with thin edge honing ensures precise and clean holes, especially ideal for drilling stainless steels and heat resistant super alloys.
The cylindrical 10mm shank provides secure toolholding and is designed for compatibility with standard drill chucks. With a right-hand cutting direction and compliance to DIN 6537 K standards, it guarantees consistent accuracy and process reliability in industrial use.
This tool is suitable for various industrial sectors including manufacturing, construction, metal fabrication, and maintenance where precise and repetitive drilling is required. Its design supports coolant-feed for both 3xD and 5xD drilling depths, enhancing tool life and cutting performance.
Constructed from premium solid carbide material offering high durability. Titanium Aluminium Nitride coating improves wear resistance and tool life. Helical flute design with coolant-through capability enhances cooling efficiency.
Sharp 140° drill point angle with S-shape split point for clean hole quality. Compliant with DIN 6537 K standards for industrial reliability. Right-hand cutting direction and 10mm cylindrical shank for stable mounting. Ideal for stainless steel and heat resistant alloy drilling in demanding environments.
Originates from Brazil and supplied in new condition.
Choose Dormer R4638.5 for precision drilling applications requiring durability and accuracy. Explore a range of Drill Bits at EnvMart for all your industrial and manufacturing tooling needs.
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Frequently Asked Questions
The Dormer R4638.5 drill bit has a size of 8.5mm.
The overall length of this drill bit is 103mm.
The drilling length of this model is 61mm.
It is constructed from solid carbide material, which offers high durability.
The drill bit is coated with Titanium Aluminium Nitride (TiAlN) for enhanced wear resistance.
The cutting direction of the Dormer R4638.5 is right-hand.
The drill point angle is 140° with an S-shape 4-facet split point for precise drilling.
This drill bit features two helical flutes.
The shank size of the Dormer R4638.5 is 10mm, designed for stable tool holding.
It meets the DIN 6537 K standards for industrial reliability.
This model is ideal for industrial, manufacturing, construction, and metalworking applications, particularly for drilling stainless steels and heat resistant super alloys.
The Dormer R4638.5 originates from Brazil.
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