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If you already own the Forster Universal Sight Mounting Fixture and need to run 10-32 threads, this is the add-on set that gets you there. It's a three-bushing kit machined from hardened steel, sized to drop right into the fixture's over-arm so every hole lines up dead center on the barrel. Where the standard fixture ships with 6-48 bushings, this set opens the door to the larger 10-32 thread that a lot of scope bases and heavier sight hardware call for.
The three bushings are clearly marked to keep the guesswork out of the job. You get a #25 for pre-drilling, a #21 for the final drill, and a #9 for the tap. Each one guides the bit or tap through a hardened, ground bore, so runout is kept in check and the drill won't wander off center. When it's time to cut threads, you swap in the tap bushing of the correct size, which supports the tap and keeps it from cocking. That cocking is the number one cause of broken taps and sloppy, oversized holes, so having the right guide makes a real difference on expensive receivers.
This set covers the common jobs where 6-48 just isn't beefy enough. Think mounting scope bases, target scope blocks, and receiver sights on rifles, along with shotgun beads on single-barrel guns. Anything you can lay into the fixture's V-blocks is fair game, from bolt actions to lever guns to pumps.
Keep in mind this is a component set, not a standalone tool. It's built specifically for the Forster Universal Sight Mounting Fixture, so you'll need that fixture to put these bushings to work. If you do a range of drill-and-tap jobs, pairing this 10-32 set with the 6-48 and 8-40 sets covers just about everything that lands on the bench.
Yes. This is a component set made to fit inside the Forster Universal Sight Mounting Fixture (UF1000). The bushings drop into the fixture's over-arm and guide your drill and tap, so they won't do anything on their own without that fixture.
Each bushing is marked for its job in the sequence. The #25 is your pre-drill bushing, the #21 is the final drill bushing, and the #9 is sized for the tap. Following that order gives you a clean, correctly sized 10-32 hole.
The 6-48 thread handles a lot of common work, but plenty of scope bases and heavier sight hardware call for the larger 10-32 thread. This set lets you run those jobs without buying a whole new fixture, and many people keep 6-48, 8-40, and 10-32 on hand to cover nearly everything.
It will, as long as the barrel or receiver fits into the fixture's V-blocks. The fixture handles single-barrel long guns including bolt actions, lever actions, and pumps, and these 10-32 bushings just set the thread size for that work.
| UPC | 757253006937 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | UF1000-UB1032 |
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