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Dormer High Speed Steel Titanium Nitride Coated Jobber Drill Bit 5.5mm Diameter, 93mm Overall Length A0025.5
Specifications
| Country of Origin | Brazil |
|---|---|
| Brand | Dormer |
| Material | High Speed Steel Tin |
| Model | A0025.5 |
| Finish | Titanium Nitride |
| Overall Length | 93mm |
| Note | With diameters ranging from 3 → 6.9 mm, these drill bits are sold in 5-piece / 10-piece packs or individually from the 7 mm size |
| Shank Type | Cylindrical/Straight |
| Shank Size | 5.5mm |
| Number of Pieces | 5 |
| Flute Type | Helical |
| Standards/Approvals | BS 328, ISO 235, DIN 338 RN |
| Number of Flutes | 4 |
| Cutting Direction | Right |
| Drill Point Angle | 118° |
| Drilling Length | 57mm |
| Dormer HSS Jobber Drill Bit, 5.5mm Diameter, 93 mm OverallBrand | Dormer |
Key Features
- The drill bit is made of high speed steel with titanium nitride coating for enhanced wear resistance.
- It features 4 helical flutes for efficient chip removal and cutting performance.
- The overall length of the drill bit is 93mm with a drilling length of 57mm.
- The shank is cylindrical/straight with a size of 5.5mm for secure holding.
- The point angle is 118° with a right-hand cutting direction for accurate centering.
- These bits conform to BS 328, ISO 235, and DIN 338 RN standards.
- Sold as a 5-piece set, suitable for hand and machine drilling into steel, cast iron, aluminum alloys, plastic, and more.
- Originating from Brazil, these drill bits provide industrial-grade durability and performance.
Product Description
Dormer A0025.5 high speed steel jobber drill bit, 5.5mm diameter with titanium nitride finish, is engineered for professional mechanical, construction, and manufacturing drilling applications requiring precision and durability.
Manufactured from premium high speed steel and coated with titanium nitride, these drill bits offer extended tool life and improved cutting efficiency. Featuring 4 helical flutes and a 118° split-point tip, they deliver excellent positional accuracy and clean hole quality in a variety of materials including steels, cast iron, aluminum alloys, plastics, and graphite.
The drill bit has an overall length of 93mm and a drilling length of 57mm with a cylindrical straight shank of 5.5mm. The right-hand cutting direction and optimized web design increase strength and rigidity, allowing drilling up to 4 times the diameter in steel and related materials.
This 5-piece pack is compliant with BS 328, ISO 235, and DIN 338 RN international standards, ensuring reliable industrial-grade performance. The bits are engraved with easy-to-read size markings for user convenience. Please note these bits are not suitable for masonry applications.
Manufactured from high speed steel with titanium nitride coating for wear resistance. Includes 4 helical flutes for superior chip evacuation and cutting performance. 118° split point for excellent hole quality and self-centering feature.
Suitable for hand and machine use, ideal for steels, cast iron, aluminum, plastics, and other materials. Compliant with BS 328, ISO 235, and DIN 338 RN standards. Pack of 5 drill bits with 5.5mm diameter and 93mm overall length.
Made in Brazil, ensuring international quality manufacturing standards.
Dormer's A002 series drill bits are essential tools for industrial, automotive, construction, and workshop applications requiring reliable and precise drilling capabilities. Explore more Dormer Drill Bits and tooling solutions in the EnvMart catalog.
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Frequently Asked Questions
This drill bit has a diameter of 5.5mm and an overall length of 93mm.
It is made from high speed steel with a titanium nitride coating for enhanced wear resistance.
The drilling length of this model is 57mm.
The drill bits are sold as a set of 5 pieces.
It features a cylindrical/straight shank with a size of 5.5mm.
The cutting direction is right-handed, allowing for accurate drilling.
This drill bit conforms to BS 328, ISO 235, and DIN 338 RN standards.
This drill bit has 4 helical flutes for efficient chip removal.
The drill bit has a point angle of 118° for enhanced centering and hole quality.
It is suitable for drilling into steel, cast iron, aluminum alloys, plastics, and graphite.
No, these bits are not suitable for masonry applications.
This drill bit is manufactured in Brazil, adhering to international quality standards.
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