The Screw Down Clamp offers a simple solution for securing a 3½”-8 thread to a suitable flat surface.

It has a slightly recessed underside to improve fitment.

Ir provides 6 x counterbored through-holes (8.5mm hole diameter/15mm counterbore diameter) and 6 x M8 tapped holes, all on a 120mm PCD.


Designed, manufactured and tested in the UK.
Price includes VAT
Terms: 
Paypal, card over the phone, bank transfer and other cleared funds are all accepted. We ship worldwide every day. Most items will arrive within 1 week as long as they are not held up in customs. 
We can’t be responsible for any import duty or local taxes so please check before purchasing. Commodity code 9031:90:00 (Accessories for CMM’s is zero rated in many countries however.) 
We are VAT registered in UK so the selling price includes VAT. A VAT invoice will be supplied in the UK.
If there are any problems with your order, please do not hesitate to contact us. We will do our best to sort them out.