Bore large, deep holes in tough materials. The high-quality YG8 tungsten carbide tip is manually welded to the shank, providing the aggressive cutting power needed for heavy masonry work.

The 20mm x 400mm ROKTOR drill bit is constructed from 40cr steel, hardened and sandblasted to deliver ultimate resilience when drilling through thick walls. It is the perfect choice for running large cables or pipes through brickwork and concrete.

• YG8 tungsten carbide tip – manually welded for superior strength
• 40cr steel shank – hardened and sandblasted for extreme durability
• 20mm diameter – with an extra-long 400mm length for through-holes
• Straight shank design – fits standard rotary and percussion drills
• Available in various sizes – including 12mm, 14mm, and 16mm

Delivery (UK mainland only)

 

Next Day: £5, or FREE over £40

- Order by 9pm Mon-Thu: next working day

- Order Fri to 5pm Sun: Monday

- Order after 5pm Sun: Tuesday

 

Pre-12pm: £10

- Same cut-offs as Next Day above

 

Saturday & Sunday: £10, or £5 over £40, or FREE over £75

- Saturday: order by 6pm Fri

- Sunday: order by 4pm Sat

 

Heavy items (over 30kg)

- Mon-Fri only. Order by 6pm and allow up to two working days

- Order after 6pm Thu: arrives after the weekend

 

Supplier items

- Sent directly by the supplier, so timings vary. Lead times appear on the product page in working days (Mon-Fri)

 

More about delivery 

Next Business Day Collection (eligible items)

- Order by 9pm Mon-Thu: collect next day

- Order after 9pm Thu to 5pm Sun: collect Monday

- Heavy items (over 30kg): allow up to two working days

 

Opening hours

- Weekdays vary by branch: open 6:30am-7am, close 6pm-8pm

- Saturday: 7am-6pm

- Sunday: 9am-4pm

 

Check your local store's hours and that it's open before visiting. Please wait for our text or email before collecting.

 

Holding your order
We'll hold it for 14 days, then automatically refund your original payment method.