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Dormer High Speed Steel Tin Drill Bit 70mm Overall Length 5 Piece Set A0023.4
Specifications
| Country of Origin | Brazil |
|---|---|
| Brand | Dormer |
| Material | High Speed Steel Tin |
| Model | A0023.4 |
| Finish | Titanium Nitride |
| Overall Length | 70mm |
| 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 | 3.4mm |
| Number of Pieces | 5 |
| Flute Type | Helical |
| Standards/Approvals | ISO 235, BS 328, DIN 338 RN |
| Number of Flutes | 4 |
| Cutting Direction | Right |
| Drill Point Angle | 118° |
| Drilling Length | 39mm |
Key Features
- Manufactured from premium high speed steel with Titanium Nitride coating for enhanced durability and wear resistance.
- Features 4 helical flutes and a cylindrical/straight shank for versatile machine or hand tool use.
- Each drill bit has a 118° split point angle for precise centring and clean hole quality.
- Suitable for drilling steels, cast iron, aluminium alloys, plastics, and other materials except masonry.
- Set contains 5 drill bits with 3.4mm shank size and 39mm drilling length.
- Complies with ISO 235, BS 328, and DIN 338 RN industry standards.
- Right-hand cutting direction optimized for efficient material removal.
- Made in Brazil ensuring top industrial manufacturing quality.
Product Description
Dormer A0023.4 high speed steel Tin drill bit set includes 5 pieces designed for industrial and professional drilling applications. Each drill bit features a 70mm overall length and a robust helical flute that improves chip evacuation and rigidity during use.
Constructed from high-quality high speed steel, these drill bits are finished with Titanium Nitride coating to extend tool life and enhance performance when drilling harder materials. The 118° split point ensures precise positioning and clean hole quality, ideal for a variety of metals and plastics.
The cylindrical/straight shank design provides compatibility with both hand and machine drills, making this set versatile for workshop, manufacturing, and construction tasks. With 4 flutes for efficient cutting and a 39mm drilling length, these bits are intended for fast and accurate hole making up to 4 times the diameter in steel, stainless steel, cast iron, and non-ferrous metals.
The drill bits conform to ISO 235, BS 328, and DIN 338 RN standards, assuring industrial quality and reliable use. These bits are not suitable for masonry drilling applications but excel in engineering, manufacturing, and maintenance environments.
Premium HSS construction with TiN coating for durability. 118° split point for excellent centring and precision. Helical flute design optimized for rigidity and chip removal. Suitable for steels, cast iron, aluminium, plastics, and graphite.
Compliant with ISO 235, BS 328, DIN 338 RN standards. Set contains exactly 5 drill bits with 3.4mm shank diameter and 70mm total length. Made in Brazil to high manufacturing standards.
This Dormer drill bit set is ideal for industrial, construction, mechanical, and engineering applications requiring high precision and long-lasting tool performance. Browse more professional grade bits and tools in the Industrial Tools & Equipment section at EnvMart.
Explore more products in our Drill Bits & Parts category.
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Frequently Asked Questions
Each drill bit in the set has an overall length of 70mm.
These drill bits are suitable for drilling steels, cast iron, aluminium alloys, plastics, and other materials except masonry.
The shank size of each drill bit in this set is 3.4mm.
This set includes a total of 5 drill bits.
The drill bits feature a right-hand cutting direction optimized for efficient material removal.
Each drill bit has a 118° split point angle for precise centring and clean hole quality.
The drill bits comply with ISO 235, BS 328, and DIN 338 RN industry standards.
The drilling length for each bit is 39mm.
These drill bits feature a helical flute design, which improves chip evacuation and rigidity during use.
These drill bits are manufactured in Brazil, ensuring top industrial manufacturing quality.
The drill bits are finished with a Titanium Nitride coating for enhanced durability and wear resistance.
The drill bits have a cylindrical/straight shank design, making them compatible with both hand and machine drills.
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