Pool Cue Joint Types Explained: Radial, Uni-Loc, 3/8 by 10, Piloted, and How Each One Changes the Hit

Two cues can share the same shaft, the same wrap, and nearly the same price, then feel like completely different instruments the moment you stroke a ball. A big part of that difference lives in a place most buyers never inspect: the joint, the threaded connection where the shaft screws into the butt. The joint controls how energy travels from your stroke into the cue ball, and learning the common types is one of the fastest ways to understand why a cue hits the way it does.

There is no single best joint. There is the joint that matches the hit you are chasing. Here is how the popular options differ and what each one tends to feel like at the table.

What the joint actually does

When tip meets cue ball, a wave of energy runs back up the shaft and through the joint into the butt. A heavier, more rigid joint reflects more of that energy back toward the tip and produces a firmer, more solid hit with crisp feedback. A lighter or wood-based joint lets more of that energy flow through, which many players describe as a softer, more connected feel. Neither is better. They are different flavors, and your preference is personal.

Radial joints

The radial pin uses a rounded thread profile with no sharp edges, which spreads contact across the whole connection and resists cross-threading. It has become one of the most trusted joints in the game because it combines a solid hit with a clean, repeatable feel. Predator built much of its reputation around the radial pin, and you will find it across the Predator Throne series and the wider Predator cues collection. Jacoby also offers it on cues like the Jacoby JCB02, which lists a radial joint right in its build. If you want a hit that feels both firm and forgiving, the radial is a natural starting point.

Uni-Loc and quick-release joints

The Uni-Loc joint and similar quick-release systems were designed for convenience as much as feel. Instead of five or six full turns to assemble the cue, a quick-release joint snaps together in roughly a third of a turn, which is a small luxury that adds up over years of breaking the cue down between sessions. These joints also tend to produce a solid, consistent hit thanks to their precise stainless construction. Players who travel a lot, or who simply hate fumbling with threads in a dim poolroom, gravitate toward them.

The 3/8 by 10 wood pin

The 3/8 by 10 pin uses a larger, coarser thread, and when it is paired with a wood-to-wood connection rather than a steel insert, it produces the softer, more flowing hit that many traditional players love. This setup is common on custom and production cues built for feel, including a number of options in our Jacoby cues lineup such as the Jacoby JCB01. If you grew up on older cues and miss that connected, almost springy response, a wood 3/8 by 10 joint is probably what you are remembering.

5/16 by 18, 5/16 by 14, and piloted joints

The 5/16 by 18 and 5/16 by 14 pins are classic production-cue threads, reliable and widely available. You will see them across a huge range of cues at every price point. A piloted joint adds a small protruding collar that seats the shaft into the butt before the threads engage, which increases stability and gives a firmer, more locked-in hit. McDermott and many other makers use precise pinned joints to deliver a consistent feel across their lineup, and you can explore those in our McDermott cues collection with cues like the McDermott G302.

Stainless, phenolic, and wood collars

The material around the joint matters as much as the pin. A stainless steel joint collar adds weight to the joint area and reflects energy forward for a hard, crisp hit. A phenolic or composite collar splits the difference, offering durability with a slightly softer response. A pure wood joint, with no metal collar at all, gives the most flow-through feel and is prized on cues built for finesse over raw power. The Pechauer Naked series is a good example of a build that pairs a refined joint with a carbon shaft for a specific blend of feedback.

Matching the joint to your shaft and your game

Here is the practical part. A firm joint paired with a stiff carbon shaft makes for a very solid, low-feedback hit that some players love for break and power shots and others find a little deadening for delicate position play. A softer wood joint with a maple shaft leans toward touch and feel. There is no wrong combination, only the one that suits how you read the table. The mistake to avoid is buying a cue purely on looks and then wondering why it does not feel like your old one. Nine times out of ten, the joint is the reason.

The best way to settle the question is to handle a few cues with different joints and notice what your hands prefer before your eyes get a vote. Browse the full pool cues collection, compare a radial against a wood-to-wood build, and let the hit make the decision for you.

Protecting the joint you paid for

A joint is a precision part, and grit in the threads is its enemy. A few grains of chalk dust or pocket lint can cross-thread a pin or keep the shaft from seating flush, which changes the hit and, over time, wears the threads. The simple habit that prevents all of it is using joint protectors, the small caps that screw onto the pin and the shaft when the cue is in its case. They keep the threads clean and guard the delicate joint faces from dings. You will find a range of them alongside other care gear in our accessories collection. Wipe the pin with a clean cloth before assembly, never force a cross-threaded joint, and your connection will feel the same in year ten as it did on day one.

Joints, shaft swaps, and buying smart

If you ever plan to add a carbon fiber shaft later, the joint is the detail that decides whether you can. Aftermarket shafts are sold by joint type, so a cue with a common radial or 3/8 by 10 pin gives you the widest range of upgrade options down the road, while a proprietary joint may lock you into one brand’s shafts. It is worth knowing your pin before you buy a second shaft, because nothing is more frustrating than finding the perfect shaft and learning it does not fit your butt.

When you are comparing two cues you like, ask what joint each one uses and handle both if you can. A radial-jointed Jacoby and a wood-to-wood build will tell your hands two different stories, and that story matters more than the finish or the price tag. Start with feel, confirm the joint supports any future shaft you want, and you will buy a cue you keep rather than one you replace.

The bottom line on joints

You will not find a joint that is universally best, only the one that fits your stroke and your goals. Power players and breakers often love the firm feedback of a stainless, piloted, or radial joint, while finesse players chasing touch lean toward wood-to-wood builds with a 3/8 by 10 pin. Knowing the difference turns cue shopping from guesswork into a deliberate choice, and it helps you understand why your favorite stick feels the way it does. Handle a few, trust your hands, and protect the joint once you have found the one. Browse the full pool cues collection and let the hit guide you home.

A quick word on assembly and care

However good your joint is, how you treat it decides how long that quality lasts. Always screw the shaft on gently and stop the moment it seats, since over-tightening stresses the threads and the collar without improving the hit at all. Store the cue broken down in a case rather than leaning assembled against a wall, because heat and gravity can warp a joined cue over time. And give the pin a quick wipe before every session. These habits cost you seconds and protect a connection that, on a good cue, was machined to tolerances you can feel but never see.