I have 10 packs available, but price is each to suit the number required. I used to install commercial catering facilities, and used these on stainless steel sinks and basins with perfect results to avoid taps moving. Now retired so selling off . I highly recommend these for avoiding the above mentioned situation.
eBay
Drawer Fixing Clamp Stainless Steel Right Angle Fixing Clip One-Touch Fixed Removable Drawer Clamp for Drawer Panel Installation
Aliexpress UK
The end of bolt is suitable for installation with screwdriver and easy to install. Plastic hexagonal wrench,a tool for repairing faucets.
eBay
6/2Pcs HSS Twist Drill Bits Set 3-8mm Serrated Grooving Cutting Tap Spiral Saw Wood Metal Plastic Hole Saw Titanium Drill Tools
Aliexpress UK
Plastic hexagonal wrench,a tool for repairing faucets. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
6/3Pcs HSS Twist Drill Bits Set 3-8mm Serrated Grooving Cutting Tap Spiral Saw Wood Metal Plastic Hole Saw Titanium Drill Tools
Aliexpress UK
Full spare kit to install a new tap or just re-install the old one. 1 Hole Kit is for 1 hole mounting. 2 Hole Kit is for 2 hole mounting. Kitchen tap mounting set. Fastener type Bolt. Size 2 Hole.
eBay
3/6pcs HSS Twist Drill Bits Set 3-8mm Serrated Grooving Cutting Tap Spiral Saw Wood Metal Plastic Hole Saw Titanium Drill Tools
Aliexpress UK
Resolves Water Leaking / Dripping Tap Issues - Cheaper Than Replacing Tap. 4-Piece Monobloc Tap Mounting / Fixing Set - 1-Hole Tap Bracket Support. Size of bolt: approx. 55 x 10mm (bolt size is M8).
eBay
Universal Fuel Tap Gasoline Switch Faucet Kit for Generator Gas Engine Tanks
Aliexpress UK
Secure Connection: This fixing kit ensures a stable and secure connection between your water faucet and the main structure, reducing leaks and make sure optimal performance in your kitchen or bathroom.
eBay
6/2Pcs HSS Twist Drill Bits Set 3-8mm Serrated Grooving Cutting Tap Spiral Saw Wood Metal Plastic Hole Saw Titanium Drill Tools
Aliexpress UK
4-Piece Monobloc Tap Mounting / Fixing Set - 1-Hole Tap Bracket Support. Resolves Water Leaking / Dripping Tap Issues - Cheaper Than Replacing Tap. Bolt size: 60 10 10mm/2.36 0.39 0.39". The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
Adjustable M3-8 M5-12 T-Handle Ratchet Tap Wrench Tap Screw Holder Male Thread Metric Plug Mechanical Workshop Tools Hand Tool
Aliexpress UK
The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. The end of bolt is suitable for installation with screwdriver and easy to install.
eBay
ON/OFF Universal Fuel Shut Off Valve Tap Replacement For Generator Gas Engine Tank Switch Hose Tap 16x1.5mm
Aliexpress UK