• Bulk Pricing

    Save more on larger orders

  • Icon of a truck with a clock, symbolizing time-sensitive delivery.

    Next Day Delivery

    Fast dispatch from UK stock

  • Trusted by 1000+ customers

  • Black outline of a shopping basket with a check mark on a white background

    No Minimum Order

    Order exactly what you need

Mexco  |  SKU: 137371

Mexco 400mm UNC Extension Bar

£64.72 Ex. VAT
£77.66 Inc. VAT
  • Pay in 30 days with a Trade Account. No fees.
Seen Cheaper Elsewhere?
Call Us to Beat Any Quote
0161 706 0479
  • Made in the UK
  • Pay in 30 days with Klarna. No fee. Learn more
  • Next Day Delivery Available


Ships in 1 – 3 working days
Quote in 3 hours No account needed
  • Pay in 30 days with a Trade Account. No fees.
Seen Cheaper Elsewhere?
Call Us to Beat Any Quote
0161 706 0479
  • Made in the UK
  • Pay in 30 days with Klarna. No fee. Learn more
  • Next Day Delivery Available

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Frequently Bought Together

⊛ 400mm extension bar for diamond core drills

⊛ Fits 1 ¼″ UNC core drill bits

⊛ Ideal for deep wall and cavity drilling

⊛ Provides secure, stable threaded connection

⊛ Built for professional masonry applications

Mexco 400mm UNC Extension Bar

Additional Information
Fitment 1 ¼" UNC Male to 1 ¼" UNC Female
Length 400mm

The 400mm UNC Extension Bar is designed to significantly extend the working length of your diamond core drill, making it ideal for deep wall penetrations and cavity wall drilling.

Compatible with any diamond core bit featuring a 1 ¼″ UNC fitment, this heavy-duty extension bar provides a secure threaded connection, reliable power transfer and improved access in demanding professional masonry applications.