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Dormer HSS Long Series Helical 4-Flute Twist Drill Bit 1 in Size, 126mm Overall Length, Cylindrical Shank, Bright A1104.5
Specifications
| Country of Origin | India |
|---|---|
| Brand | Dormer |
| Material | HSS |
| Model | A1104.5 |
| Finish | Bright |
| Overall Length | 126mm |
| Shank Type | Cylindrical |
| Shank Size | 4.5mm |
| Drill Bit Size | 1in |
| Flute Type | Helical |
| Standards/Approvals | ISO 494, BS 328, DIN 340 RN |
| Number of Flutes | 4 |
| Drill Point Angle | 118° |
| Drilling Length | 82mm |
Key Features
- Constructed from high-speed steel (HSS) for durability and wear resistance.
- Features helical 4 flute design for efficient chip removal and smooth cutting.
- Overall length of 126mm with a drilling length of 82mm.
- Cylindrical shank type with a 4.5mm shank size ensures firm grip in drill chucks.
- Drill point angle of 118° for precise centering and cutting performance.
- Bright finish provides enhanced surface quality and corrosion resistance.
- Complies with ISO 494, BS 328, and DIN 340 RN standards for quality and compatibility.
- Suitable for deep hole drilling and applications requiring longer reach.
Product Description
The Dormer A1104.5 High-Speed Steel (HSS) Long Series Twist Drill Bit with a 1-inch drill bit size and a 126mm overall length is engineered for industrial, mechanical, and manufacturing applications requiring precision drilling in steel and cast iron.
This drill bit features a helical 4-flute configuration, which not only facilitates efficient chip evacuation but also promotes smooth drilling action, reducing friction and heat buildup. The cylindrical shank of 4.5mm diameter ensures secure mounting in standard drill chucks for reliable operation.
The 118-degree drill point angle guarantees optimal centering and drilling accuracy, making it suitable for tasks where hole precision is vital. The bright finish enhances corrosion resistance and improves wear durability. This bit is steam-tempered for improved hardness and longer tool life, meeting DIN 340 RN standards.
Manufactured according to BS 328, DIN 340 RN, and ISO 494 standards, this drill bit is ideal for general machining tasks where a longer reach or deeper hole drilling up to six times the diameter is required. Its robust HSS material offers excellent performance on steel and cast iron materials.
Key features include precise dimensions, compliance with international standards, and a design optimized for prolonged cutting life and efficiency. This makes the Dormer A1104.5 drill bit an excellent option for industrial workshops, construction, HVAC installations, and manufacturing environments.
High-speed steel construction ensures durability and cutting precision. Four helical flutes support efficient chip removal and smooth drilling. Long series design for deep hole drilling applications up to 6 times diameter.
Cylindrical shank for firm grip and easy tool change. Bright finish and steam-tempered treatment for enhanced wear resistance. 118° point angle supports accurate hole starting and drilling. Compliance to ISO 494, BS 328, and DIN 340 RN standards guarantees quality.
The Dormer HSS twist drill bit A1104.5 is recommended for industrial, mechanical, construction, and manufacturing use cases where precision and durability are necessary. For more tools and related products, explore the Industrial Tools & Equipment section at EnvMart.
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Frequently Asked Questions
The overall length of this drill bit is 126mm.
This model has a drill bit size of 1 inch.
It is constructed from high-speed steel (HSS), which provides durability and wear resistance.
The Dormer A1104.5 features a helical design with 4 flutes.
The drilling length of this bit is 82mm.
The drill point angle is 118°, which supports accurate hole starting and drilling performance.
This drill bit has a cylindrical shank type with a shank size of 4.5mm.
It complies with ISO 494, BS 328, and DIN 340 RN standards for quality and compatibility.
The drill bit features a bright finish that enhances surface quality and corrosion resistance.
It is suitable for deep hole drilling and applications requiring longer reach, particularly in steel and cast iron.
The helical 4-flute design facilitates efficient chip removal and promotes smooth drilling action, reducing friction and heat buildup.
This drill bit is manufactured in India.
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