Which materials is this HSS-CO drill bit suitable for?

This bit is suitable for drilling tough metals such as stainless steel, alloyed and non-alloyed steel, and cast iron.

What are the dimensions of this metal drill bit?

The drill bit has a diameter of 5,3 mm, a working flute length of 52 mm, and an overall length of 86 mm.

What type of shank does this drill bit have?

It features a cylindrical straight shank of 5,3 mm, fitting standard three-jaw drill chucks.

What is the advantage of the 5% cobalt content?

The 5% cobalt formulation (HSS-E) provides higher heat resistance and a longer tool life under heavy loads.

Which manufacturing standard does this drill bit meet?

This drill bit is manufactured in accordance with the DIN 338 standard for twist drill bits.

HIKOKI 780603 metal drill bit HSS-CO DIN 338 - 5,3x86mm (10 pcs)

Name: HIKOKI 780603 metal drill bit HSS-CO DIN 338 - 5,3x86mm (10 pcs)
Brand: HIKOKI
SKU: 08060698
Price: 26.2 EUR
Availability: PreOrder

Supplier number: HIKOKI 780603 | EAN 8717574008029

Recommended Retail Price €43.80

26.20 tax incl.

€21.65 excl. VAT (incl. all environmental contributions)

On order: delivered from 22/10/2026

pack

Ordered before 20:00 - delivered as of 22/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

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Accurate drilling in tough metals with Hikoki

Practical benefits

Cobalt alloy heat resistance: The HSS-E alloy with 5% cobalt lets you drill smoothly through hard metals and stainless steel without rapid dulling.
Clean and stable starts: Two precision cutting edges meeting DIN 338 standards ensure you maintain control and prevent walking on smooth metal surfaces.
Convenient bulk ten pack: With 10 drill bits sized 5.3x86 mm in one set, you always have a fresh bit ready for workshop tasks.

In a nutshell

The right choise for

With the Hikoki 780603 metal drill bits, you drill smoothly and accurately through tough materials such as stainless steel, alloyed steel, and cast iron. The high-grade hss-e alloy with 5% cobalt provides exceptional heat resistance and extended tool life under demanding workloads. Built to the din 338 standard, the two precision cutting edges ensure clean, stable starts without wandering across the workpiece. Featuring a 5.3 mm diameter, a 52 mm working length, and an 86 mm total length, the straight cylindrical shank fits standard drill chucks easily. This practical 10-piece pack ensures you always have a sharp replacement ready for continuous workshop tasks.

Product information FAQ

€26.20

tax incl.

Key features according to our expert

Diameter: 5,3 mm
Material (drill bit): HSS-E Co 5%
Cutting length: 52 mm
Number of cutting edges: 2 ea
Standard: DIN 338
Number per pack: 10
Shank type: Cylindrical
Shank size: 5,3 mm
Overall length: 86 mm
Drill bit type: Metal drill bit

Product description

Metal drill bit HSS-CO DIN 338 diam. 5.3 mm

All Features

Diameter: 5,3 mm
Material (drill bit): HSS-E Co 5%
Cutting length: 52 mm
Number of cutting edges: 2 ea
Standard: DIN 338
Number per pack: 10
Shank type: Cylindrical
Shank size: 5,3 mm
Overall length: 86 mm
Drill bit type: Metal drill bit
Diameter (mm): 5,3
Usable length (mm): 52
Overall length (mm): 86

Brand HIKOKI
08060698
EAN 8717574008029
Supplier number HIKOKI 780603

Frequently asked questions about this product

Answered by specialists

Which materials is this HSS-CO drill bit suitable for?: This bit is suitable for drilling tough metals such as stainless steel, alloyed and non-alloyed steel, and cast iron.
What are the dimensions of this metal drill bit?: The drill bit has a diameter of 5,3 mm, a working flute length of 52 mm, and an overall length of 86 mm.
What type of shank does this drill bit have?: It features a cylindrical straight shank of 5,3 mm, fitting standard three-jaw drill chucks.
What is the advantage of the 5% cobalt content?: The 5% cobalt formulation (HSS-E) provides higher heat resistance and a longer tool life under heavy loads.
Which manufacturing standard does this drill bit meet?: This drill bit is manufactured in accordance with the DIN 338 standard for twist drill bits.