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Dormer HSS Straight Shank Extra Length Drill Bit 3.18mm Size, 250mm Overall Length, 200mm Drilling Length A1251/8X250
Specifications
| Country of Origin | France |
|---|---|
| Brand | Dormer |
| Material | HSS |
| Model | A1251/8X250 |
| Finish | Bright |
| Overall Length | 250mm |
| Shank Type | Cylindrical/Straight |
| Shank Size | 3.2mm |
| Drill Bit Size | 3.18mm |
| Standards/Approvals | BS 328 |
| Pay online using | Or choose to pay later via bank transfer |
| RS Stock No. | 728-7226Brand: DormerManufacturers Part No.: A1251/8X250IMPA: 630130 |
| Number of Flutes | 10 |
| Cutting Direction | Right |
| Drill Point Angle | 118° |
| Drilling Length | 200mm |
Key Features
- The drill bit has 10 flutes with a bright finish to enhance wear resistance.
- It has a cylindrical straight shank of 3.2mm for secure holding.
- The overall length is 250mm with a drilling length of 200mm for long reach.
- The drill point angle is 118° with right-hand cutting direction for general machining.
- Manufactured following BS 328 standards in France, ideal for steel and cast iron.
- Steam tempered finish improves durability during interrupted (pecking) drilling.
- Capable of drilling holes up to 10 times the diameter without fouling.
Product Description
Dormer A1251/8X250 HSS Straight Shank Extra Length Drill Bit is engineered for general machining and long reach drilling applications. This 3.18mm diameter high-speed steel drill bit offers robust performance with a 250mm overall length and 200mm drilling length to tackle deep holes efficiently.
Featuring 10 flutes and a bright finish, it provides enhanced wear resistance and cutting precision. The cylindrical straight shank of 3.2mm diameter ensures secure mounting in standard drill chucks.
The drill point angle of 118° combined with right-hand cutting direction makes it suitable for drilling steel, cast iron, and other materials. Manufactured to meet BS 328/DIN 340 RN and ISO standards, this drill bit guarantees quality and reliability.
The steam tempered finish improves resistance to wear and heat, optimizing performance in interrupted or peck drilling. It is capable of drilling holes up to 10 times the diameter before flute clearing is necessary to avoid fouling, making it ideal for applications requiring consistent deep drilling.
Originating from France, this Dormer drill bit is a premium choice for industrial, mechanical, and manufacturing environments requiring precision and durability in drill bits. The drill bit has 10 flutes with a bright finish to enhance wear resistance.
Cylindrical straight shank measuring 3.2mm diameter for secure attachment. Overall length of 250mm with 200mm effective drilling length. 118° drill point angle and right-hand cutting direction for efficient chip removal.
Meets BS 328 standards, suitable for steel and cast iron materials. Steam tempered finish extends the tool life during peck drilling operations. Capable of drilling holes up to 10 times the diameter in most materials. Browse Dormer Drill Bits and power tool accessories at EnvMart for industrial and laboratory-grade drilling solutions.
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Frequently Asked Questions
The overall length of this drill bit is 250mm.
The drilling length of this model is 200mm.
The diameter of the drill bit is 3.18mm.
This drill bit features 10 flutes, which enhance wear resistance and cutting precision.
The drill point angle is 118° with a right-hand cutting direction.
It is manufactured to meet BS 328 standards, ensuring quality and reliability.
This model has a cylindrical straight shank with a diameter of 3.2mm for secure mounting.
It is suitable for drilling steel, cast iron, and other materials.
The drill bit has a bright finish that enhances wear resistance.
This drill bit is manufactured in France.
It is capable of drilling holes up to 10 times the diameter before flute clearing is necessary to avoid fouling.
This drill bit is made of high-speed steel (HSS).
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