Skip to content
Contact About Us Help Guides & Information
⚡ Rock Bottom Prices. Maximum Choice.⚡
⚡ Rock Bottom Prices. Maximum Choice.⚡
Monument 173 Stiffnuts Pro Kit (10 Piece) Monument - RockBottom Northampton

Monument 173 Stiffnuts Pro Kit (10 Piece)

by Monument
SKU MON173-TOOLBANK
£122.49 - £122.49
£122.49
£122.49 - £122.49
£122.49
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.

Monument 173 has been especially designed for removing stiff backnuts from awkward placed taps and to make tap installation a more rapid process, this tool is for 1/2-inch. BSP and 3/4-inch. BSP taps. The Monument 170 tool stays in position on the tap tail so can be used with one hand and uses mechanical advantage of the thread of the tap tail to remove stiff nuts.

Ideal for 1/2-inch and 3/4-inch BSP 25 mm 27 mm nuts 29 mm ribbed 32 mm nuts. The MON173 is complete with 3/8-inch cordless drill adaptor, 1/2-inch square drive, extension tube and full user instructions.

For removing stiff backnuts and rapid tap installation for 1/2-inCH. BSP and 3/4-inch. BSP Taps.Tool stays in position on the tap tail. Uses mechanical advantage of the thread of the tap tail to remove stiff nuts.

Monument Stiffnuts Professional Boxed Kit.
1/2-inch. and 3/4-inch. BSP 25 mm 27 mm nuts 29 mm ribbed 32 mm nuts. Complete with 3/8-inch. Cordless drill adaptor, 1/2-inch. Square Drive; Extension tube and full instructions.

🔨 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