Which materials is this metal drill bit set suitable for?

These HSS-Co bits are designed for stainless steel, high-alloy steels, and metals up to 1100 N/mm² tensile strength.

Which drill bit sizes are included in the Dewalt DT4957-QZ set?

The 29-piece set includes bit diameters from 1 mm to 13 mm, including intermediate tapping sizes.

Do these drill bits slip in the chuck?

No, the 3-flat shank provides a secure grip in the drill chuck and prevents spinning under load.

Do you need a centre punch before drilling?

The split-point tip prevents bit walking and ensures accurate starts directly on the workpiece surface.

Which machines can use these drill bits?

They fit both portable power drills and drill presses fitted with a standard 13 mm chuck.

DEWALT DT4957-QZ Industrial Cobalt HSS-E metal drill bit set 29-piece

Name: DEWALT DT4957-QZ Industrial Cobalt HSS-E metal drill bit set 29-piece
Brand: DEWALT
SKU: 03041629
Price: 121.8 EUR
Availability: InStock

Supplier number: DEWALT DT4957-QZ | EAN 5035048535066

Recommended Retail Price €223.25

121.80 tax incl.

€100.66 excl. VAT (incl. all environmental contributions)

On stock - immediately available

set

Ordered before 20:00 - delivered tomorrow 03/10/2026
Shipping costs €6.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

What does this mean exactly?

Free battery, delivered directly: spend a total of €350 excl. VAT on DeWALT products and receive a free XR 18V 5.0Ah battery worth €128.38. This is an exclusive Klium promotion: the battery is automatically added to your shopping cart and delivered together with your order.
Free work light, delivered after registration: if you also purchase a participating product from the DeWALT work light promotion, you will receive a free DeWALT work light, depending on the participating machine.
To receive your free work light, register your purchase after receiving your order via dewalt.be or dewalt.nl.
Klium free battery promotion: valid from 01.10.2026 to 31.12.2026.
DeWALT work light promotion: valid from 01.09.2026 to 31.12.2026.

During DeWALT Power Month, you can combine a free battery from Klium with a free work light from DeWALT.

Reliable metal drilling with Dewalt

Practical benefits

Superior heat and wear resistance: The 5% cobalt alloy allows you to drill smoothly through tough stainless steel and high-alloy metals.
Precise start without slipping: The specialized centering tip prevents walking across hard surfaces, creating clean and burr-free holes.
Secure grip in chucks: The three-sided flattened shank prevents slipping in the drill chuck to deliver maximum power transfer.

In a nutshell

The right choise for

Tackle tough metals with confidence using the 29-piece Dewalt DT4957-QZ metal drill bit set, engineered for drilling stainless steel and high-alloy steels up to 1100 N/mm² tensile strength. Formulated with a 5% cobalt alloy, these bits deliver superior heat and wear resistance during demanding drilling tasks. The specialized centering tip prevents walking across hard surfaces, enabling immediate, accurate starts and clean, burr-free holes without centre punching. In addition, the three-flat shank prevents spinning in the chuck, ensuring maximum power transfer in both portable drills and drill presses. Ranging from 1 mm to 13 mm, this comprehensive set equips you for every professional metalworking job.

Product information FAQ

€121.80

In stock - tax incl.

Key features according to our expert

Smallest diameter: 1 mm
Largest diameter: 13 mm
Drill set type: Metal drilling set
Quantity per set: 29

Product description

HSS INDUSTRIAL COBALT 29-piece set

Features

Suitable for portable or stationary drilling of high-alloy steels and metals with a tensile strength of up to 1100N/mm²
'No-walk' tip ensures easier drilling in all surfaces (5mm and above). Cleaner, more accurate, burr-free holes thanks to countersunk cutting edges
Three-sided shank for optimum grip in drill head

All Features

Smallest diameter: 1 mm
Largest diameter: 13 mm
Drill set type: Metal drilling set
Quantity per set: 29

Brand DEWALT
03041629
EAN 5035048535066
Supplier number DEWALT DT4957-QZ

Frequently asked questions about this product

Answered by specialists

Which materials is this metal drill bit set suitable for?: These HSS-Co bits are designed for stainless steel, high-alloy steels, and metals up to 1100 N/mm² tensile strength.
Which drill bit sizes are included in the Dewalt DT4957-QZ set?: The 29-piece set includes bit diameters from 1 mm to 13 mm, including intermediate tapping sizes.
Do these drill bits slip in the chuck?: No, the 3-flat shank provides a secure grip in the drill chuck and prevents spinning under load.
Do you need a centre punch before drilling?: The split-point tip prevents bit walking and ensures accurate starts directly on the workpiece surface.
Which machines can use these drill bits?: They fit both portable power drills and drill presses fitted with a standard 13 mm chuck.