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Dormer High Speed Steel Titanium Nitride Coated Jobber Drill Bits 5 Pcs, 93mm Overall Length, 5.4mm Shank A0025.4
Specifications
| Country of Origin | Brazil |
|---|---|
| Brand | Dormer |
| Material | High Speed Steel Tin |
| Model | A0025.4 |
| Finish | Titanium Nitride |
| Overall Length | 93mm |
| 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 | 5.4mm |
| Number of Pieces | 5 |
| 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 | 57mm |
Key Features
- The drill bits are made of premium quality high speed steel with titanium nitride coating for enhanced wear resistance.
- Each bit features a 118° split point for precise application and excellent positional accuracy.
- These drill bits have 4 helical flutes and are suitable for drilling steels, cast irons, aluminium alloys, plastics, and more.
- The set is designed for both hand and machine use with a right cutting direction.
- The bits comply with DIN 338 RN, BS 328, and ISO 235 standards and originate from Brazil.
- Easy-to-read size markings are engraved on each drill bit for convenience.
- This set is ideal for industrial, construction, engineering, and manufacturing applications.
Product Description
Dormer A0025.4 is a set of high-quality, industrial High Speed Steel (HSS) Titanium Nitride coated jobber drill bits designed for precision drilling in a variety of materials. This set includes 5 drill bits, each with an overall length of 93mm and a shank diameter of 5.4mm, featuring a cylindrical/straight shank design suitable for both hand and machine use.
The drill bits are engineered with 4 helical flutes and a 118° split-point tip for enhanced centring accuracy and superior hole quality. The Titanium Nitride coating on the tips extends tool life by increasing wear resistance, especially when drilling harder materials. The redesigned helix enhances stiffness and strength for durability during drilling.
These drill bits perform efficiently with steels, cast steel, grey and malleable cast irons, nickel-brass, aluminium alloys, graphite, and various plastics. They are not intended for masonry applications. The right cutting direction enables clean and precise holes. Size markings are engraved on each bit for easy identification during use.
The set conforms to the DIN 338 RN, BS 328, and ISO 235 standards, ensuring high industrial quality. Manufactured in Brazil, these Drill Bits are reliable and suitable for professional use in industrial, mechanical, construction, and manufacturing environments.
Premium high-speed steel construction with Titanium Nitride coating. 118° split point for accurate positioning and improved drilling quality. Helical flute design optimized for strength and chip evacuation. Suitable for drilling a variety of metals and plastics.
Compatible with hand drills and machine tools. Engraved size markings for quick identification. Complies with DIN 338 RN, BS 328, and ISO 235 standards. Ideal for industrial, construction, and engineering applications.
This Dormer drill bit set is a versatile and durable solution for demanding drilling tasks across multiple industries. Explore more industrial tools and power tools from trusted brands on EnvMart.
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Frequently Asked Questions
Each drill bit in the set has an overall length of 93mm.
The shank size of each drill bit is 5.4mm, featuring a cylindrical/straight design.
These drill bits are suitable for drilling steels, cast irons, aluminium alloys, plastics, and more, but are not intended for masonry applications.
The drill bits are coated with Titanium Nitride, which enhances wear resistance and extends tool life.
This set includes a total of 5 drill bits.
The drill point angle is 118°, which aids in accurate positioning and improved drilling quality.
The drill bits comply with DIN 338 RN, BS 328, and ISO 235 standards.
Each drill bit features 4 helical flutes, which enhance chip evacuation and strength.
The drill bits are designed for right cutting direction, ensuring clean and precise holes.
These drill bits are manufactured in Brazil.
The drilling length for each bit is 57mm.
Yes, the drill bits are designed for compatibility with both hand drills and machine tools.
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