Irwin HSS 1.5mm to 10mm, 15 piece Pro Cobalt Drill Bit Set

  • RS Stock No. 145-7955
  • Mfr. Part No. 10503990
  • Manufacturer Irwin
Technical data sheets
Legislation and Compliance
RoHS Status: Not Applicable
COO (Country of Origin): CN
Product Details

Irwin HSS 15-piece Pro Cobalt Drill Bit Set

Introducing the 15 Piece HSS (High-Speed Steel) Cobalt drill set from Irwin. Due to the high heat resistance from the cobalt content, these drill bits are suitable for drilling stubborn materials like stainless steel. These bits have been designed with industrial quality ground flutes to allows for high accuracy drilling and fast chip removal, meaning you are able to perform your tasks efficiently while also minimising errors. This great set is a versatile addition to your toolbox, covering most common sizes and being able to perform high-quality work.

Features and Benefits:

• These HSS drill bits feature 5% cobalt content for higher heat resistance and longer bit life, meaning they last longer than the conventional counterparts
• The cobalt content also means that drill bits are suitable for drilling hard materials such as stainless steel, where higher drilling temperatures are generated
• The 135-degree split point ensures perfect centering and minimises bit walk, whilst also reducing drilling pressure, giving a more accurate and clean finish
• The heavy-duty web construction is designed for optimum strength and durability, ultimately making the bit last longer
• The set comes in a professional case to ensure the drill bits are kept in the correct place for easy identification, as well as protecting them for longer life
• Metric diameter sizes: 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 8, 9 and 10mm


A good selection of all types of drill bits guarantees the job done quickly and easily. Using the right bits type to drill into a variety of materials ensures safety and reduces the drilling time.

Whether drilling wood, masonry, acrylic, metal or any number of other materials, having the drill bit for the job will give you the ability to drill with confidence and accuracy. Some drill bit sets will offer a mix of bit type to cover all types of jobs from wood and metal through to masonry, with some also including more specific bit types such as flat wood drill bit or countersinks. Drill Bit Sets are used by professional electricians, builders, plumbers, roof installers, etc. and DIY enthusiasts.

Do you sell these drill bits individually?


Can these drill bits drill into metal?

Yes – Suitable for drilling stainless steel and other high alloy metals. They are also suitable for drilling sheet or thin materials where accurate burr-free holes are needed

The drill bits are not suitable for masonry

Is this set suitable for domestic use?

Yes - this is a great multi-purpose drill bit set for domestic use, as well as professional use

Attribute Value
Drill Bit Type Twist Drill Bit
Minimum Size 1.5mm
Maximum Size 10mm
Drilling Application Metal
Material HSS
Number of Pieces 15
Set Contents 1.5 → 10 mm HSS Cobalt x 15
Temporarily out of stock - back order for despatch 16/07/2020, delivery within 1 working days from despatch date
Price 1 Set
SGD 98.39
(exc. GST)
SGD 105.28
(inc. GST)
1 +
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