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Dormer High Speed Cobalt Drill Bit 4 mm Diameter, 55 mm Overall Length, Cylindrical Shank, Bright Finish A9204.0
Specifications
| Country of Origin | India |
|---|---|
| Brand | Dormer |
| Material | High Speed Cobalt |
| Model | A9204.0 |
| Finish | Bright (Uncoated) |
| Overall Length | 55mm |
| Shank Type | Cylindrical |
| Shank Size | 4mm |
| Drill Bit Size | 4mm |
| Flute Type | Helical |
| Standards/Approvals | DINSI |
| Pay online using | Or choose to pay later via bank transfer |
| RS Stock No. | 695-0620Brand: DormerManufacturers Part No.: A9204.0 |
| Number of Flutes | 3 |
| Cutting Direction | Right |
| Drill Point Angle | 130° |
| Drilling Length | 22mm |
Key Features
- Manufactured from high speed cobalt for superior wear resistance.
- Features a helical flute type for efficient chip evacuation.
- Cylindrical shank with bright uncoated finish ensures reliable gripping.
- Drilling length of 22 mm suitable for machining deep holes up to three times diameter.
- 130° special point angle provides excellent centring and reduces thrust force.
- Complies with DIN1897 and DINSI standards for quality assurance.
- Right cutting direction optimized for precision drilling.
- Designed with a thicker web for increased structural strength and lower risk of breakage.
Product Description
Dormer A9204.0 high speed cobalt drill bit with 4 mm diameter and 55 mm overall length is engineered for demanding drilling tasks in industrial, mechanical, and manufacturing environments.
Constructed of high speed cobalt, this drill bit exhibits excellent hardness and heat resistance for prolonged tool life when machining a variety of materials. The helical flute design supports rapid chip evacuation and enhanced drilling speed, reducing downtime and improving productivity.
Equipped with a cylindrical shank and bright uncoated finish, it ensures secure fastening in standard drill chucks for consistent performance. The 22 mm drilling length allows deep hole machining up to three times the drill diameter without frequent retraction (pecking).
Its 130° special point angle enables precise centring and reduces feed pressure, making it ideal for production drilling and tooling operations requiring accuracy. Designed according to DIN1897 and DINSI standards, this drill bit guarantees quality and compatibility with industry tooling.
Additional features include a thicker web design that enhances rigidity and reduces the risk of drill breakage during heavy-duty use. Manufactured from high speed cobalt for superior wear resistance. Helical flute type for efficient chip evacuation.
Cylindrical shank with bright uncoated finish ensures reliable gripping. Drilling length of 22 mm suitable for machining deep holes up to three times diameter. 130° point angle for excellent centring and reduced thrust force.
Compliant with DIN1897 and DINSI standards. Right-hand cutting direction optimized for precision drilling. Thicker web for greater structural strength and lower breakage risk.
This drill bit is suitable for industrial drilling applications, mechanical workshops, manufacturing settings, and precision engineering tasks requiring reliable deep hole drilling.
Explore the full range of Dormer Drill Bits and precision tooling products on EnvMart for enhanced drilling solutions.
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Frequently Asked Questions
The drill bit has a diameter of 4 mm.
This model has an overall length of 55 mm.
It is constructed from high speed cobalt, which provides superior wear resistance.
The drill bit features a cylindrical shank.
The drilling length is 22 mm, suitable for machining deep holes up to three times the diameter.
It has a 130° special point angle that aids in centring and reduces thrust force.
This drill bit has 3 flutes, designed for efficient chip evacuation.
It is optimized for right-hand cutting direction, enhancing precision during drilling.
The drill bit complies with DINSI standards for quality assurance.
It features a helical flute type, which supports rapid chip evacuation.
This drill bit is suitable for industrial drilling applications, mechanical workshops, and precision engineering tasks.
The thicker web design enhances structural strength and lowers the risk of breakage during heavy-duty use.
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