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Dormer High Speed Steel Tin Jobber Drill Bit 12.4 mm Shank, 151 mm Overall Length A00212.4
Specifications
| Country of Origin | India |
|---|---|
| Brand | Dormer |
| Material | High Speed Steel Tin |
| Model | A00212.4 |
| Finish | Bright, Tin Coated |
| Overall Length | 151mm |
| Note | With diameters ranging from 3 → 6.9 mm, these drill bits are sold in 5-piece packs or individually from the 7 mm size |
| Shank Type | Cylindrical/Straight |
| Shank Size | 12.4mm |
| Drill Bit Size | 12.4mm |
| Flute Type | Helical |
| Standards/Approvals | DIN 338 RN/BS 328/ISO 235 |
| Number of Flutes | 4 |
| Cutting Direction | Right |
| Drill Point Angle | 118° |
| Drilling Length | 101mm |
Key Features
- Constructed from premium high speed steel with titanium nitride coating for enhanced wear resistance.
- Features 4 helical flutes for efficient chip removal and smooth drilling.
- Bright tin-coated finish and cylindrical straight shank ensure reliable grip in standard chucks.
- 118° split point angle optimizes centring and hole accuracy during drilling operations.
- Suitable for drilling steel, cast irons, aluminium alloys, plastics, and other engineering materials.
- Jobber length design provides an overall length of 151 mm with 101 mm effective drilling length.
- Right-hand cutting direction facilitates standard drilling processes.
- Manufactured to DIN 338 RN, BS 328, and ISO 235 standards ensuring quality and compatibility.
Product Description
Dormer A00212.4 High Speed Steel Tin Jobber Drill Bit features a 12.4 mm shank and an overall length of 151 mm, designed for precision and durability in industrial drilling applications.
This professional-grade drill bit is made from high speed steel with a titanium nitride (TiN) coated tip, enhancing tool life and drilling performance when working with hard materials.
The bit contains 4 helical flutes with a bright, tin-coated finish and a cylindrical straight shank that ensures stable chuck engagement. Its 118° split point angle provides excellent centring and positional accuracy for clean, precise holes.
Dormer's A002 series drill bits follow industry standards DIN 338 RN, BS 328, and ISO 235, ensuring compliance and reliability.
These drill bits are suited for use on steels, cast steel, grey and malleable cast irons, nickel-brass, aluminium alloys, graphite, plastics, and other materials, but are not intended for masonry applications.
High speed steel with TiN coating increases hardness and wear resistance. Helical 4-flute design improves chip evacuation and drilling efficiency. Suitable for hand and machine drilling applications. 118° split point supports accurate hole entry without walking.
Compliant with DIN 338 RN, BS 328, and ISO 235 standards. Right-hand cutting direction optimized for standard use. Overall length of 151 mm with a drilling length of 101 mm. Bright, tin-coated finish resists corrosion.
These drill bits are commonly used in industrial manufacturing, metalworking, construction, and maintenance workshops for fast and efficient hole drilling across multiple materials.
Explore more precision Drill Bits within the Dormer series at EnvMart to meet diverse industrial tooling requirements.
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Frequently Asked Questions
The overall length of this drill bit is 151 mm.
It is suitable for drilling steel, cast iron, aluminium alloys, plastics, and other engineering materials, but not for masonry applications.
The shank size of the Dormer A00212.4 is 12.4 mm.
This drill bit features a right-hand cutting direction, which is optimized for standard drilling processes.
It has 4 helical flutes designed for efficient chip removal and smooth drilling.
The drill point angle is 118°, which helps optimize centring and hole accuracy during drilling operations.
It is manufactured to DIN 338 RN, BS 328, and ISO 235 standards, ensuring quality and compatibility.
The effective drilling length is 101 mm.
It features a bright, tin-coated finish that enhances wear resistance and resists corrosion.
Yes, it is suitable for both hand and machine drilling applications.
It is constructed from high speed steel with a titanium nitride (TiN) coating for enhanced performance.
The shank type is cylindrical and straight, ensuring reliable grip in standard chucks.
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