The most common and most likely answer to this crossword clue is the 7 letter word SCRAPER
I've seen this crossword clue in The Guardian
S
C
R
A
P
E
R
More clues leading to the result SCRAPER
- Leg it after putting back a hand tool
- Abrasive republican slogan?
- Fight about retro tool
- Abrasive type that joins fight with little hesitation
- Tool for republicans’ objective!
- Tool required if rep’s car breaks down
- Cars damaged through using this perhaps
- Series getting cut by rubbish hairdresser
- Get rid of Nero — at heart a fiddler
Buddy explains!

The straight part
We know that "Abrasive" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case abrasive = scraper.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SCRAPER mean?
SCRAPER noun- An instrument with which anything is scraped.
- One who scrapes horns.
- One who plays a violin incompetently, producing cacophonous sounds.
- One who acquires avariciously and saves penuriously.
- A cocked hat.