Twist Drill Type N — 4.7 mm, 135° tip, short HSS‑E (5% cobalt-alloyed, DIN 338)

The Twist Drill Type N is a short, fully ground HSS‑E drill bit designed for precision metalworking on Drilling Machines.

• Short design for increased stability and accuracy
• 4.7 mm diameter for fine metal drilling
• 135° tip angle optimised for hard materials
• HSS‑E with 5% cobalt-alloyed for wear resistance
• Fully ground shank for excellent concentricity

Enhanced wear resistance for demanding metalwork

The short Twist Drill is manufactured from HSS‑E with 5% cobalt‑alloyed composition, which increases red‑hardness and wear resistance when machining stainless steels and other hard alloys. The 135° tip angle reduces chipping and helps maintain the cutting edge during slow, precise feeds, so the cutter stays effective longer under stress. This results in reliable hole quality and extended tool life even in tougher materials.

Short geometry for superior stability and precision

A reduced overhang and a flute length of 47 mm combined with an overall length of 80 mm minimise bending and vibration during drilling. The short execution improves stiffness, which is particularly beneficial when working on small‑diameter holes or in setups with limited support. The fully ground shank ensures high concentricity in the chuck, translating into cleaner bores and less runout when used in stationary or portable Drilling Machines.

Practical application and recommended use cases

Compliant with DIN 338 and produced in the Standard Line, this Type N Twist Drill is intended primarily for drilling metal, including alloyed and unalloyed steels, cast iron, non‑ferrous metals and selected plastics. Its geometry and material make it suitable for workshop and industrial environments where precision matters. Operators seeking a drill bit that combines serviceable sharpness with simple reconditioning will find this design easy to re‑grind and maintain.

We recommend choosing the MetavCUT Twist Drill Type N for precise, durable metal drilling — for technical questions or tailored advice METAV Werkzeuge provides expert support via info@metav-werkzeuge.com or by phone at +49 2822 7131930

Technical specifications

• Designation: Twist Drill
• Brand: MetavCUT
• SKU: 47047-FDA
• Type: Type N
• Diameter: 4.7 mm
• Tip Angle: 135°
• Material: HSS‑E
• Colour/Alloy: 5% cobalt-alloyed
• Execution: short
• Spiral (Flute) Length: 47 mm
• Overall Length: 80 mm
• Shank Finish: fully ground
• For Use In: Drilling Machine
• Application: Drills for metal
• Model Series: Standard Line
• Standard: DIN 338
• Packaging Unit: 10
• Manufacturer: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; info@metav-werkzeuge.com

FAQ

What is the Twist Drill (MetavCUT, Type N) used for?
The MetavCUT Twist Drill Type N is primarily employed for machining high‑strength materials and larger diameters; its geometry is easy to regrind and it withstands higher loads, making it suitable for demanding metalworking tasks.

Which three drill types exist?
The main categories are metal drills, wood drills and stone/concrete drills; the MetavCUT Twist Drill belongs to the metal drill category and is tailored for metalworking.

Why are Twist Drills point‑split?
Point splitting reduces the web thickness at the tip, which lowers friction and therefore requires less feed force; this also improves centring of the drill in the workpiece.

Can a metal Twist Drill be used for wood?
A metal drill can be used in wood, but it gives less precise guidance and a rougher finish; on the plus side, such drills are easier to regrind and have lower self‑feeding tendency.

For what drilling depths is the Twist Drill most used?
Solid drilling is commonly performed with a Twist Drill; for diameters up to 20 mm and drilling depths up to 100 mm, the Twist Drill is the most frequently used tool.

Is HSS or HSSE better?
The general belief that HSSE is always superior to HSS is incorrect; you should evaluate whether the specific working conditions justify the higher cost of HSSE before choosing.