03 Dec 2025 · Miles Duran
Inch-pounds on a hex plug
A 2 g screw does not need your whole shoulder. It needs a number. The parking lot “snug” is how we meet golfers in March with a rattle in the head and a story about a mysterious fade.
I came from a machine shop on the south side. Fasteners had numbers. Golf, when I first started clicking trays on 1st Ave, treated the hex like a bottle cap. People twisted until they felt proud. Pride is not a torque spec. Pride is how you round a 2 g tungsten plug and then blame the factory for a socket that still had life in it.
On this bench every test plug is dry-clicked to the number on the sheet. Small tungsten — the 2 g and 4 g — lives in the low inch-pounds. The 10 g and 12 g get a little more because there is more mass hanging off the thread and more reason for the plug to want to back out. We write the number. We do not write “tight.” Tight is how two weighers disagree in a month.
Thread locker is a separate decision. Dry Billings winters make cheap locker brittle. I have picked flakes out of a socket in January that were liquid in October. So we do not locker a test plug. We locker a settled gamer, the one that is leaving with a sheet, and only after the golfer has agreed that this is the layout they want to live with. If they want to keep shopping grams next week, the plug stays dry. A locked test screw is how you spend twenty minutes fighting your own inventory.
Nylon washers from a big-box bag are a third problem. They crush. They steal the torque you think you applied. They make a 4 g plug sit proud of the sole and pick up grass. They go in the trash. If a factory washer is metal or a proper composite and it came with the head, we may keep it and note it. If you bought a bag online because a forum said “always use nylon,” bring the bag. I will put it back in your glovebox.
Aftermarket hexes fail two ways. The thread does not match, or the stamped gram is theater. I weigh them. A “4 g” that is 3.1 is a 3.1. A “4 g” that is 4.0 but with a thread that chews the socket is scrap. We will not click scrap into a gamer to be polite. Polite is how a head leaves here worse than it arrived.
The rattle in March is usually a 2 g that was snugged in a parking lot after someone “checked it.” Checking is backing it out and clicking it to the binder number, not giving it another eighth of a turn because it felt lonely. If you felt a rattle, call the 406 number and book a re-torque. Sixty dollars is cheaper than a rounded hex and a new crown.
People ask for a single number they can tattoo on the bag. There is no tattoo. There is a sheet for that head, that hole, that gram, that date. Different brands cut different threads. A driver track slider is not a 2 g heel hex. If I gave you one number for the whole bag I would be lying with a wrench in my hand, which is a worse lie than a catalog gram stamp.
Bring the gamer. Bring the aftermarket bag if you have one. Do not snug anything in the lot before you come in. I would rather see a slightly loose factory plug than a rounded one. Loose we can click. Rounded is a hardware problem I cannot unscrew with manners.