Is it legal to roll a softball bat?
Mia Kelly
Published Jan 25, 2026
Is It Illegal? Bat rolling is not illegal. As a matter of fact, all composite bats must be rolled in testing before they are deemed legal for play. This is to make sure that as the bat gets hotter after more use, and it will not exceed the bat performance standards put in place.
What happens when you roll a softball bat?
Mostly used in Slow Pitch softball, bat rolling is a process used to enhance pop and distance to a bat. Essentially, by rolling a bat a player is expediting the break-in time and the time it takes a bat to become "hot" (usually more than 500 hits from the bat).
Should I get my softball bat rolled?
Softball bat rolling has many benefits to the bat. It stretches the bat's fibers evenly and allows for the entire barrel of the bat to be broken in so there are no dead spots. It will also enlarge the bat's sweet spot. It is possible that some bats will need 75-100 hits on them to fully break in even after rolling.
Can you roll used bats?
Rolling an Aluminum Bat
Only composite barrel bats could use rolling. Aluminum bats have no resin and need no loosing of the fibers in the barrel to perform. In fact, compressing an aluminum bat would simply make its structure less effective.
Can you tell if a bat has been rolled?
Those who are in the business of rolling bats often advertise their services this way, guaranteeing that no umpire will be able to tell that your bat has been altered. In case when rolling wasn't performed perfectly, the biggest tell-signs are the roller marks along the length of the bat.
20 related questions foundHow do you know if a softball bat is illegal?
Bats that are broken, altered or that deface the ball are illegal. Materials inside the bat or treatments/devices used to alter the bat specifications and/or enhance performance (e.g., shaving, rolling or artificially warming the bat barrel) are prohibited and render the bat illegal.
Is shaving a bat illegal?
Bat shaving is the illegal process by which a composite bat has the inside of its barrel cored out to become more flexible and have better performance. The practice is uncommon and considered dangerous. Our data indicates that those who shave their bats think it more prevalent than it actually is.
How do you roll a softball bat at home?
One way you can juice your softball bat is by using a bat rolling machine. You would just roll the bat through a rolling machine a few times on each pressure increment. Then, turn the bat parallel to the machine and roll it this way to get any spots you might have missed.
How long does it take to roll a softball bat?
To break in your composite bat, the process is almost effortless and should take no more than one hour.
Why are some bats illegal?
Generally, any tampering that changes the original specifications of the baseball bat will cause the bat to be illegal for any baseball league. Illegal tampering includes adjusting the bat's weight, length, or surface area. Certain levels of the game also have bat specifications that must be adhered to.
Can you roll a USA bat?
At Gorilla Bats we provide you with all the new USA standard composite bats that we can shave and roll. The new standard USA bat is much thicker than a USSSA models and any modifying will help with distance and velocity of the ball.
How do you break in a softball bat?
A break-in period consists of 150-200 swings. It's important to work your way from 50% to full power as you approach the 200 swing mark. The best way to transition slowly into full power is to take the first 100 swings off of a tee, the next 50 swings off of short or soft toss and the last 50 off full-length pitching.
What does a bat roller do?
Bat Re-engineering. Bat rolling is a process that can add incredible pop and distance to any softball or baseball bat. Everyone knows that bats get hotter after about 500-800 hits. The trouble is, by the time you have put that many hits on the bat it is well on it's way to being worn out.
What does it mean when a bat is shaved and rolled?
Includes Rolling and Endloading (if desired) Bat shaving is a process that involves removing the end cap and thinning out the inner walls of the bat to increase the trampoline effect that happens when a ball hits it.
What does it mean when a bat is hot?
"A hot bat is any bat that has been somewhat altered in order to give it an added performance," says Rick Paulas, who plays softball and investigated the devious practice recently for SB Nation.
Do softball bats need to be broken in?
Looking to learn more about composites? As you may know, composite baseball and softball bats require a “break-in” period to reach their optimum in-game performance level. Unlike alloy bats that are ready to use straight out of the wrapper, composite bats need a little warming up.
Is it OK to hit baseballs with a softball bat?
Using a softball bat to play baseball would most likely result in cracking or breaking your bat. Softball bats are not designed to withstand the forces resulting from an impact with a baseball.
What can I do with old softball bats?
Call your local recycling center. Ask them if the aluminum bat can be recycled with everyday items like aluminum cans and aluminum foil. If not, ask them if they have any way of recycling the bat. If they cannot help, don't throw away the bat quite yet.
Is heating a bat illegal?
Re: Rule 3 Section 7 - Warming/Cooling Devices
So the ruling is bat warmers are illegal.
Can you tell if a bat has been shaved?
The most obvious way to tell if a bat has been shaved is to open the top end cap and look inside. This is because a bat will be shaved along the inside wall of the barrel and the only way to tell if this has happened is to look on the inside of the bat.
What Ghost bats are illegal?
Please be aware there are two ghost bats – one is legal in USSSA but not certified by USA Softball and therefore not legal in High School or College; the other is certified by USA Softball but not USSSA so it is illegal for USSSA use but legal in High School or College.
Which softball bats are illegal?
Multi-wall bats that have composite in the barrel are illegal. It has a barrel made of composite material. (The entire barrel of a LEGAL bat should be made entirely of metal, typically aluminum. By contrast, composite bats are made of a carbon fiber blend.)
Is the Easton Mako illegal?
Roaring onto the baseball scene since its debut, the Easton MAKO BEAST (YB17MK12) will also be banned from USA Baseball Leagues starting in 2018. But, with its massive sweet spot, swing speed, and superb construction, the BEAST is about as close a youth bat will get to the COMBAT B2 until USABat Standard is in place.