The phrase "a hefty supply of" is correct and usable in written English.
It can be used when referring to a large quantity of something, often in a context where abundance is emphasized.
Example: "The pantry was stocked with a hefty supply of canned goods in preparation for the storm."
Alternatives: "a large amount of" or "an ample supply of".
The Daytona International Speedway keeps a hefty supply of powdered Tide for emergencies, much like a family with young kids who like to play in the mud.
Along with my quick-dry wardrobe and headlamps for exploring sea caves, I packed a hefty supply of books as a hedge.
In the Treasury market, bonds rose modestly, but gains were limited as investors struggled to digest a hefty supply of new corporate debt sold last week.
But they still progressed slower than Labour … Cameron does have a hefty supply of posh boys - with over 80% men and half the party being public school alumni - but he can arguably be said to have created the most diverse Conservative parliamentary party so far.
Sanders's point was that the nominee would also need a hefty supply of superdelegates — the 718 party leaders and elected officials who are automatically granted a say at the convention — and that he planned to persuade these Democrats to support him.
This scheme also provides North Carolina a hefty supply of federal cash that can be used for any budgetary purpose.
For the desperately poor Mormon settlers in southern Utah, the Fancher party, with its hefty supply of cash, arms and hundreds of valuable horses and cattle, was simply irresistible.
The unit featured a 22 slot S-100 bus, reinforced card cage with retaining bar, and a hefty power supply.
Finally, she needs a hefty get-out-of-jail bribe.
Combat generally feels great, thanks to a good supply of hefty weapons, although melee combat is decidedly limp.
The show — which features a hefty collection of reptile pet supplies and merchandise vendors as well as free raffles and live animal seminars — continues from 10 a.m. to 4 p.m. Sunday in the Huntington Beach building at the fairgrounds, 88 Fair Drive, Costa Mesa.
