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Dormer High Speed Steel Twist Drill Bit 21 mm Diameter 158 mm Overall Length Reduced Cylindrical Shank A17021.0
Specifications
| Country of Origin | India |
|---|---|
| Brand | Dormer |
| Material | High Speed Steel |
| Model | A17021.0 |
| Finish | Steam Oxide |
| Overall Length | 158mm |
| Shank Type | Reduced Cylindrical |
| Shank Size | 12.7mm |
| Drill Bit Size | 21mm |
| Flute Type | Helical |
| Number of Flutes | 2 |
| Cutting Direction | Right |
| Drill Point Angle | 118° |
| Drilling Length | 82mm |
| Dormer HSS Twist Drill Bit, 21mm Diameter, 158 mm OverallBrand | Dormer |
Key Features
- Constructed from high-speed steel for enhanced durability and wear resistance.
- Features 2 helical flutes and a 118° drill point angle for precise drilling and easy regrinding.
- Finished with steam oxide to prevent chip-to-tool welding and extend tool life.
- Reduced cylindrical shank with 12.7 mm size ensures secure grip in drilling machines.
- Designed to drill stainless steel and hardened steel with right-hand cutting direction.
- Drilling length of 82 mm offers optimal cutting depth for various industrial applications.
- Compatible with automated drilling machines used in automotive and electrical industries.
- Ideal for fabricating metal brackets, electrical enclosures, and precision components.
Product Description
Dormer A17021.0 high speed steel twist drill bit is a premium quality tool designed for precision drilling in stainless steel and hardened materials. With an overall length of 158 mm and a 21 mm diameter, this drill bit is well-suited for demanding industrial uses in mechanical, electrical, automotive, and automation sectors.
Manufactured from durable high-speed steel, the bit features two helical flutes and a 118° drill point angle for accurate hole making and ease of regrinding. The steam oxide finish provides enhanced resistance against chip welding and prolongs tool life, ensuring sustained sharpness during extended use.
The reduced cylindrical shank with 12.7 mm diameter securely fits standard drill chucks and automated drilling equipment. With 82 mm drilling length, it offers optimal cutting depth suitable for thick stainless steel components and metal assemblies.
This Dormer drill bit is widely used in automotive manufacturing for stainless steel components, electrical enclosure fabrication, metal bracket supports, and mechanical system construction. Its precision and reliability make it compatible with automated drilling machines, helping improve production efficiency.
Constructed from high-speed steel for wear resistance. 118° point angle for easy regrinding and precision. Steam tempered oxide finish prevents chip welding. Reduced cylindrical 12.7 mm shank for secure mounting. 2 helical flutes for efficient chip removal.
Drilling length of 82 mm for medium thickness materials. Right-hand cutting direction for standard drill use. Ideal for stainless steel and hardened steel drilling.
This Dormer drill bit combines toughness, precision, and longevity, making it ideal for industrial, mechanical, and electrical manufacturing applications. Explore our broader range of precision Drill Bits and power tool accessories for enhanced workshop productivity.
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Frequently Asked Questions
This drill bit has a diameter of 21 mm and an overall length of 158 mm.
It is constructed from high-speed steel, which enhances its durability and wear resistance.
This model features a reduced cylindrical shank with a size of 12.7 mm, ensuring a secure grip in drilling machines.
The drilling length of this bit is 82 mm, making it suitable for medium thickness materials.
It has a drill point angle of 118°, which facilitates easy regrinding and precision drilling.
This bit features 2 helical flutes, which aid in efficient chip removal during drilling.
It is designed for drilling stainless steel and hardened steel, making it suitable for demanding applications.
The cutting direction of this drill bit is right-hand, which is standard for most drilling applications.
This drill bit is finished with steam oxide, which helps prevent chip-to-tool welding and extends its life.
This drill bit is manufactured in India.
It is suitable for applications in automotive manufacturing, electrical enclosure fabrication, and mechanical system construction.
This model is compatible with automated drilling machines used in the automotive and electrical industries.
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