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Dormer Solid Carbide Drill Bit, 7mm Size, 79mm Overall Length, 8mm Cylindrical Shank, TiAlN Coated R4677.0
Specifications
| Country of Origin | Brazil |
|---|---|
| Brand | Dormer |
| Material | Solid Carbide |
| Model | R4677.0 |
| Finish | Titanium Aluminium Nitride |
| Overall Length | 79mm |
| Shank Type | Cylindrical |
| Shank Size | 8mm |
| Drill Bit Size | 7mm |
| Flute Type | Helical |
| Standards/Approvals | DIN 6537 K |
| Number of Flutes | 2 |
| Cutting Direction | Right |
| Drill Point Angle | 140° |
| Drilling Length | 34mm |
Key Features
- Constructed from premium solid carbide material for durability and wear resistance.
- Features 2 helical flutes with a continuous thinned web and rolled heel design for improved chip evacuation.
- Overall length of 79mm with a drilling length of 34mm allows precise drilling depths.
- 8mm cylindrical shank with a titanium aluminium nitride (TiAlN) coating enhances heat resistance.
- Designed with S-Shape 4-Facet Split Point and 140° drill point angle for accurate centering and low thrust force.
- Coolant through capability improves tool life and performance during use.
- Right cutting direction suitable for standard drill applications.
- Meets DIN 6537 K standards ensuring industrial quality and reliability.
Product Description
Dormer R4677.0 Solid Carbide Drill Bit is engineered for high-performance and reliable drilling in stainless steels and heat-resistant superalloys. The bit features a 7mm drill size with an overall length of 79mm and drilling length of 34mm for precise and controlled drilling operations.
Constructed from premium solid carbide material with a titanium aluminium nitride (TiAlN) coating, this drill bit offers exceptional wear resistance and heat tolerance. The 2 helical flutes are designed with a unique flute construction that includes a continuously thinned web and rolled heel for efficient chip removal and increased process reliability.
The bit's S-Shape 4-Facet Split Point with a 140° point angle provides precise thin edge honing and a strong outer corner design, enabling accurate centering and smooth entry into workpieces. Coolant-through capability enhances cooling during operation, extending tool life and improving drilling consistency.
This solid carbide drill bit is ideal for industrial, manufacturing, mechanical, and HVAC applications requiring high accuracy and durability when drilling stainless steels and superalloys. It is suitable for repetitive drilling tasks where maintaining tight tolerances is critical.
Constructed from solid carbide with TiAlN coating for superior hardness and temperature resistance. Features 2 helical flutes with specialized flute construction for optimal chip evacuation. Designed with a cylindrical 8mm shank for secure mounting in standard tool holders.
Coolant through design enables efficient cooling during heavy-duty operations. Meets DIN 6537 K standards for industrial use and reliability. Made in Brazil following strict quality controls.
Choose Dormer R4677.0 for demanding drill bit applications where precision, durability, and high process reliability are required. Explore EnvMart's wide range of industrial Drill Bits and related power tool accessories for your manufacturing and mechanical tool needs.
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Frequently Asked Questions
The overall length of this drill bit is 79mm.
This model features a drill bit size of 7mm.
It is constructed from solid carbide material, which provides durability and wear resistance.
The drill bit has an 8mm cylindrical shank.
The drilling length of the Dormer R4677.0 is 34mm.
This drill bit is coated with Titanium Aluminium Nitride (TiAlN), enhancing its heat resistance.
The Dormer R4677.0 features 2 helical flutes.
The drill point angle is 140°.
It meets the DIN 6537 K standards, ensuring industrial quality and reliability.
The cutting direction of this model is right.
This drill bit is ideal for drilling in stainless steels and heat-resistant superalloys, suitable for industrial and manufacturing applications.
It is manufactured in Brazil following strict quality controls.
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