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Dormer High Speed Steel Extra Length Twist Drill Bit, 160mm Overall Length, 4mm Shank Size, Helical Flute, Steam A1254.0X160

Category Drill Bits Brand Dormer Condition New

Specifications

Country of Origin France
Brand Dormer
Material High Speed Steel
Model A1254.0X160
Finish Steam Tempered (Steam Oxide)
Overall Length 160mm
Shank Type Cylindrical
Shank Size 4mm
Drill Bit Size 4mm
Flute Type Helical
Standards/Approvals BS 328
Number of Flutes 10
Cutting Direction Right
Drill Point Angle 118°
Drilling Length 100mm

Key Features

  • Constructed from durable high speed steel for general machining applications.
  • Helical flute design with 10 flutes ensures efficient chip removal.
  • Steam tempered (steam oxide) finish enhances wear resistance and tool life.
  • Right hand cutting direction with a 118° drill point angle for effective penetration.
  • Capable of drilling deeper holes up to 10 times the drill diameter using peck drilling technique.
  • Suitable for use on steel and cast iron materials.
  • Complies with BS 328 and DIN340 RN ISO standards.
  • Features cylindrical shank type for stable chuck fitting.

Product Description

Dormer A1254.0X160 high speed steel extra length twist drill bit is engineered for precise and durable drilling applications in industrial, manufacturing, and machine shop environments. Featuring an overall length of 160mm and a 4mm cylindrical shank, this drill bit allows extended reach drilling and deeper hole creation.

Manufactured from high speed steel with a steam tempered (steam oxide) finish, this drill bit offers superior wear resistance and toughness. Its helical flute design with 10 flutes efficiently evacuates chips to minimize clogging. The 118° drill point angle and right-hand cutting direction produce clean, accurate holes in steel and cast iron materials.

Designed to meet BS 328 and DIN340 RN ISO standards, this drill bit is ideal for long reach machining operations and can drill holes up to 10 times its diameter by employing peck drilling techniques to maintain flute clearance and prevent tool fouling.

The 100mm drilling length and cylindrical shank ensure compatibility with standard chucks and precise tool holding. This drill bit is suited for various industrial uses including construction, manufacturing, and metal fabrication environments requiring durable and reliable drilling performance.

Durable high speed steel construction for long service life. Steam tempered finish improves resistance to wear and corrosion. Helical flute geometry with 10 flutes for efficient chip removal. Right hand cutting direction with 118° point angle for effective cutting.

Suitable for drilling steel, cast iron, and general engineering materials. Complies with international mechanical and material standards. Cylindrical shank type for secure chuck engagement. Extra length design suitable for deep hole and long reach drilling.

For reliable high precision drilling in industrial, mechanical, and manufacturing applications, the Dormer A1254.0X160 drill bit provides a robust tool solution. Explore more drilling and cutting tools in the Industrial Tools & Equipment category at EnvMart.

Explore more products in our Drill Bits category.

Dormer High Speed Steel Extra Length Twist Drill Bit, 160mm Overall Length, 4mm Shank Size, Helical Flute, Steam A1254.0X160
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Frequently Asked Questions

The overall length of this drill bit is 160mm.

It is constructed from high speed steel, which offers durability for machining applications.

This model features 10 helical flutes designed for efficient chip removal.

The drill point angle is 118°, which aids in effective penetration during drilling.

It has a cylindrical shank type, ensuring stable chuck fitting.

This drill bit complies with BS 328 and DIN340 RN ISO standards.

The drilling length of this bit is 100mm, allowing for deeper hole drilling.

The cutting direction is right-hand, suitable for standard drilling operations.

It is suitable for drilling steel and cast iron materials.

The helical flute design with 10 flutes enhances chip evacuation, minimizing clogging during use.

The drill bit has a steam tempered (steam oxide) finish that improves wear resistance and tool life.

Yes, it is capable of drilling deeper holes up to 10 times its diameter using peck drilling techniques.

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