Which drill bit sizes are included in this 25-piece set?

The set includes 25 drill bits ranging from 1 mm to 13 mm in 0.5 mm increments.

Which materials are these cobalt drill bits suitable for?

They are suitable for stainless steel, alloyed and non-alloyed steel, cast iron, and heat- and acid-resistant steel.

What type of shank do the drill bits have?

The bits have a cylindrical shank matching the drill diameter, fitting standard drill chucks.

What is the benefit of the 135° split-point tip?

The self-centring 135° split-point prevents walking and enables fast, precise drilling without pre-punching.

Which standard are these HSS-E drill bits manufactured to?

These drill bits are manufactured in accordance with DIN 338 N.

BAHCO 4511-SET-25 cobalt HSS e-drill set for metal 25-piece

Name: BAHCO 4511-SET-25 cobalt HSS e-drill set for metal 25-piece
Brand: BAHCO
SKU: 03057340
Price: 211.4 EUR
Availability: PreOrder

Supplier number: BAHCO 4511-SET-25 | EAN 7314150373048

Recommended Retail Price €346.33

211.40 tax incl.

€174.71 excl. VAT (incl. all environmental contributions)

On order: delivered from 16/10/2026

set

Ordered before 20:00 - delivered as of 16/10/2026
Free shipping
Delivery by DHL
Lifetime warranty on Bahco? Or limited in time? Read more about it here.
Delivered from Belgium

✆ Talk to a specialist

Precise drilling through tough metals

Practical benefits

Comprehensive Bahco metal drill set: With 25 drill bits from 1 to 13 mm, you can easily drill into stainless steel, cast iron, and heat-resistant alloys.
Self-centering split point design: The 135° tip angle prevents bit wander and gives you quick, accurate starts without pre-punching.
Durable cobalt high-speed steel: Premium HSS-E construction provides exceptional heat and wear resistance during demanding drilling applications.

In a nutshell

The right choise for

With the Bahco 4511-SET-25, you can drill precisely and effortlessly through tough materials such as stainless steel, cast iron, and heat-resistant alloys. This 25-piece set covers diameters from 1 to 13 mm in 0.5 mm increments, giving you the right size for every task. The 135° split-point tip is self-centring, preventing bit wander and allowing you to start drilling accurately without pre-punching. Engineered from premium hss-e cobalt high-speed steel according to din 338 N, these cylindrical-shank drill bits deliver exceptional heat and wear resistance during demanding metalworking jobs.

Product information FAQ

€211.40

tax incl.

Key features according to our expert

Smallest diameter: 1 mm
Largest diameter: 13 mm
Drill set type: Universal drilling set
Quantity per set: 25

Product description:

Cobalt HSS-E drill bit set for metal - 25 pieces

Features:

Consists of 25 drills from 1 mm to 13 mm x 0.5 mm in a plastic case
A 135° top angle with self-centring tip for fast cutting and perfect centring
The drills feature a cylindrical shank (shank equal to drill diameter) and are designed for use in drill stands and drill drives
The cobalt high-alloy high-speed steel (HSS) provides long-term high performance when drilling in stainless steel materials
Cobalt drill bits perform well in alloy and non-alloy steels, stainless steel, cast iron, cast steel and acid and heat-resistant steels
Manufactured in accordance with DIN 338 N
Consists of 25 drills from 1 mm to 13 mm x 0.5 mm in a plastic case
High-strength steel (HSS) with 5% cobalt
Long-lasting performance
Upper angle of 135°
Point
Ground grooves ensure fast drilling and high accuracy
DIN 338N

All Features

Smallest diameter: 1 mm
Largest diameter: 13 mm
Drill set type: Universal drilling set
Quantity per set: 25
Weight oz oz: 42,3 oz
Weight g: 1200 g

Brand BAHCO
03057340
EAN 7314150373048
Supplier number BAHCO 4511-SET-25
Warranty Lifetime warranty on Bahco? Or limited in time? Read more about it here.

Frequently asked questions about this product

Answered by specialists

Which drill bit sizes are included in this 25-piece set?: The set includes 25 drill bits ranging from 1 mm to 13 mm in 0.5 mm increments.
Which materials are these cobalt drill bits suitable for?: They are suitable for stainless steel, alloyed and non-alloyed steel, cast iron, and heat- and acid-resistant steel.
What type of shank do the drill bits have?: The bits have a cylindrical shank matching the drill diameter, fitting standard drill chucks.
What is the benefit of the 135° split-point tip?: The self-centring 135° split-point prevents walking and enables fast, precise drilling without pre-punching.
Which standard are these HSS-E drill bits manufactured to?: These drill bits are manufactured in accordance with DIN 338 N.