Description
If you keep more than one rifle in the safe or you're the go-to person for setting up buddies' guns, buying swivel studs one set at a time gets old fast. This 12-pack of GrovTec 1/4" machine screw swivel studs solves that. You get twelve steel studs in a black finish, each paired with its own nut, so you've always got a fresh set on the bench when a sling or bipod project comes up. GrovTec builds these in the U.S.A., and the quality shows in the clean threading and solid feel.
What Sets These GrovTec Machine Screw Studs Apart
The key here is the machine screw design. Instead of biting directly into wood like a standard wood-screw stud, these thread through the stock and lock down with the included nut on the back side. That bolt-through approach gives you a stronger, more consistent hold, which is a big deal on synthetic and laminate stocks where you want serious purchase for a bipod. They run the common 10-32 thread pitch, so they play nice with just about any standard swivel or Harris-style bipod you'd pair them with.
Putting the GTHM59 Studs to Work
Most folks run the machine screw stud up front on the forend, where it gets backed by the nut and trimmed to fit the stock thickness. Add a wood-screw stud in the buttstock and you've got a full sling setup, or run just the front one and you're ready to clamp on a bipod. A quick tip from the bench: measure your stock thickness before you cut so the stud sits flush and the nut seats clean on the inside.
With twelve studs and nuts in the pack, you've got enough on hand for multiple rifles, spares for the ones you inevitably drop into the carpet, and plenty left over for future builds.
Key Specifications
- Manufacturer: GrovTec
- Manufacturer Part Number: GTHM59
- UPC: 895474001598
- Product Type: Machine Screw Swivel Studs
- Loop / Stud Size: 1/4 in
- Thread Pitch: 10-32
- Material: Steel
- Finish / Color: Black
- Pack Quantity: 12 studs with nuts
- Country of Origin: Made in the U.S.A.
What’s Included
- 12 machine screw swivel studs
- 12 matching nuts
Frequently Asked Questions
What's the difference between these machine screw studs and wood screw studs?
Machine screw studs thread all the way through the stock and lock down with a nut on the back side, while wood screw studs bite directly into the material. The bolt-through design gives a stronger, more consistent hold, which makes it a great choice for synthetic and laminate stocks. Wood screw versions are still popular for traditional wood stocks where you'd rather not countersink a nut.
Will these GrovTec studs work with my bipod and sling swivels?
Yes. These use the standard 10-32 machine screw thread pitch, which is the common size for swivel installations, so they accept standard sling swivels and Harris-style bipods. If your current gear fits a normal stud, it'll fit these.
How many studs come in the pack?
You get 12 machine screw swivel studs, each with its own matching nut. That's enough to set up several rifles and keep a few spares on the bench for future projects.
Do I need to trim the stud to fit my stock?
Often, yes. The machine screw stud typically goes in the forend, gets backed by the included nut, and is shortened to match your stock thickness so it seats flush. Measure your stock before cutting so everything sits clean and tight.




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