Tackform

Tackform pinch-bolt bases – through-hole and connection choices

Universal fit
£12.99 VAT included. Shipping calculated for your destination.

Available to Order

Not sure which one? Ask us to confirm fitment first →
Delivery, customs and taxes Know the landed cost before you order

For UK customers, prices include VAT, customs and delivery unless checkout states otherwise. Outside the UK, shipping is shown at checkout and local customs and taxes remain your responsibility.

Lead times and urgent orders Check timing before you commit

Some products are made to order, imported or custom built. If timing matters, contact us before ordering and we will confirm the expected delivery timeframe.

Fitment checked before you order

Send the vehicle, engine and current setup if you want us to confirm the exact application before checkout.

Choose Tackform pinch-bolt bases – through-hole and connection choices to give your compatible mount the right attachment point.

Choose your setup

  1. Check the mounting surface or device interface and the listed dimensions.
  2. Choose the supplied build and fitting position, then match the arm and connection where a choice is offered.
  3. Select the available finish or accent colour. The selector lists the combinations you can order.

Supplied build and specifications

SKU Available choice Fitting position Supplied hardware
B20M8 Supplied build: Pinch Bolt Mount | 5/16" / 8mm Thru Hole | 20mm Ball Pinch Bolt Mount | 5/16" / 8mm Thru Hole | 20mm Ball
TF-AR-33 Supplied build: Pinch Bolt Mount | 1/4"-20 / 6mm Thru Hole | 20mm Ball Pinch Bolt Mount | 1/4"-20 / 6mm Thru Hole | 20mm Ball
TF-BS-66 Supplied build: Pinch Bolt Mount | Thru Hole for M10 bolt or 3/8" bolt | Flange Pinch Bolt Mount | Thru Hole for M10 bolt or 3/8" bolt | Flange
TF-BS-44 Supplied build: Pinch Bolt Mount | Thru Hole Accepts 5/16" or M8 Screw | 20mm Ball Pinch Bolt Mount | Thru Hole Accepts 5/16" or M8 Screw | 20mm Ball
TF-AR-46 Supplied build: Pinch Bolt Mount | Thru Hole Accepts 1/4"-20 or M6 Screw | Flange Pinch Bolt Mount | Thru Hole Accepts 1/4"-20 or M6 Screw | Flange
TF-BS-35 Supplied build: Pinch Bolt Mount | Thru Hole for M10 Bolt or 3/8" Bolts | 1"/25mm/B-Sized Rubber Ball Pinch Bolt Mount | Thru Hole for M10 Bolt or 3/8" Bolts | 1"/25mm/B-Sized Rubber Ball

Pinch Bolt Mount | 5/16" / 8mm Thru Hole | 20mm Ball

  • Aluminum 20mm Ball head. 1" / 25mm Height. 20mm Diameter Base. 5/16" / 8mm Thru Hole.

Pinch Bolt Mount | 1/4"-20 / 6mm Thru Hole | 20mm Ball

Included: NOTES: Due to the wide range of mounting options we do not include mounting bolts.

  • Aluminum 20mm Ball head. 1" / 25mm Height. 20mm Diameter Base. 1/4" / 6mm Thru Hole.
  • NOTES: Due to the wide range of mounting options we do not include mounting bolts. This unit is designed to work with 1/4"-20 and M6 Socket Head Screws.

Pinch Bolt Mount | Thru Hole Accepts 5/16" or M8 Screw | 20mm Ball

  • Aluminum Stud with 20mm Ball. Thru Hole accommodates 5/16" or 8mm bolt.

Pinch Bolt Mount | Thru Hole Accepts 1/4"-20 or M6 Screw | Flange

Included: 1/4"-20 x 5/8" Screw Included

Pinch Bolt Mount | Thru Hole for M10 Bolt or 3/8" Bolts | 1"/25mm/B-Sized Rubber Ball

  • This all aluminum adapter with Rubber 1"/25mm/B-Sized Ball is a great solution for crowded motorcycle handlebars. 11mm bolt hole fits many motorcycle mirror frames as well as handlebar bolts. Great solution for DIY applications in various vehicles. Can be used in a variety of vehicles or any other application which doesn't allow for a traditional mounting solution.

Ask us about a compatible setup if you need help matching your vehicle, device or mounting components.

Delivery, customs and taxes

Know the landed cost before you order

For UK customers, prices include VAT, customs and delivery unless checkout states otherwise. For customers outside the UK, local customs and taxes remain your responsibility, and shipping is shown at checkout. If a shipping option is not available, email us and we will prepare a tailored quote.

Lead times and urgent orders

Check timing before you commit

Many of the products we sell are made to order, imported or custom built, so a lead time may apply. If you need a part urgently, contact us before ordering and we will confirm the expected delivery timeframe and process.

Fitment first

Universal product - confirm the application

Check dimensions, mounting points, clearance and any wiring or hose requirements against your setup before ordering.

Universal fit
Need help with this product?

Send us your vehicle, year, current setup and any fitting date, event, trip or deadline before ordering. We will help check fitment, product choice and timing.

Tackform pinch-bolt bases – through-hole and connection choices
Tackform pinch-bolt bases – through-hole and connection choicesPinch Bolt Mount | 5/16" / 8mm Thru Hole | 20mm Ball
Available to Order £12.99