Skip to content
Contact About Us Help Guides & Information
⚡ Rock Bottom Prices. Maximum Choice.⚡
⚡ Rock Bottom Prices. Maximum Choice.⚡
Faithfull Professional Cobaltl Jobber Drill Bit Pre Packed (2) 4.2mm Faithfull - RockBottom Northampton

Faithfull Professional Cobaltl Jobber Drill Bit Pre Packed (2) 4.2mm

by Faithfull
SKU FAIPP420COB-TOOLBANK
£4.99 - £4.99
£4.99
£4.99 - £4.99
£4.99
Availability:
in stock, ready to be shipped

Est Delivery 3 - 7 Working Day

Shipping information


We work hard to get your order out quickly and securely.

  • Fast Dispatch – Orders are processed promptly once placed.
  • Trusted Couriers – We use reliable delivery partners.
  • Clear Costs – Shipping is calculated at checkout, based on size and weight.
  • Peace of Mind – We’ll keep you updated every step of the way.
Returns & warranty
  • 28 Days to Return – If it’s not right, just bring it back in its original condition.
  • Quick Refunds – Once we’ve checked your return, we’ll refund you promptly.
  • Clear & Fair – Some items (like cut-to-size or opened packaging) can’t be returned, but we’ll always let you know upfront.

These Faithfull Professional Cobalt Jobber Drill Bits are manufactured from M35 HSSE grade steel with a 5% cobalt content for increased heat resistance and cutting performance. All bits are fully ground and feature a 135° non-slip split point for precise centring and are produced in accordance to DIN 388 for high precision tolerances and geometric accuracy.

Cobalt bits cut faster and last longer and are suitable for heavy-duty industrial work in: Alloy steels, carbon steels, cast iron, hardened alloy steels, stainless steels, high temperature alloys, Titanium alloy, high strength steel and carbon fibre composite materials.

These Faithfull Professional Cobalt Jobber Drill Bits are supplied pre packed with the following specification:

Diameter: 4.2mm.
Overall Length:
Working Length:
Pack Size: 2.

🔨 Trade Prices for Everyone

Why pay more? We keep our prices rock-bottom so whether you’re a trade professional or DIYer, you always get the best deal.

🏠 Local & Independent


We’re Northampton’s trusted family-run store, supporting local people with great products and honest service.

🚚 Easy Pickup or Local Delivery

Order online and collect in-store, or get heavy items like blocks and cement delivered straight to your site.

👍 Friendly, Helpful Service

Our staff know their stuff — whether it’s building materials, DIY or garden, we’re here to help you get the job done.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare