Professional thread restoration portfolio.
Silbertool is a thread-forming technology platform. Beyond custom thread solutions, it offers ready-made thread restoration tools for recurring field, workshop, and industrial problems.
XR-16
Ø 3–16 mm / 1⁄8–5⁄8 inCompact hand-operated external thread restoration system for smaller-diameter bolts and threaded parts. Uses interchangeable pitch-specific roller sets to cold-form damaged threads without cutting away additional material.
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XR-60
Ø 10–60 mm / 3⁄8–2 3⁄8 inHeavy-duty modular restoration system for medium-to-large external threads. Uses interchangeable XR-60/120 roller sets to cold-form damaged threads without cutting away additional material.
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XR-120
Ø 50–120 mm / 2–4¾ inLarge-format restoration system for large-diameter external threads. Shares the XR-60/120 roller system to restore recoverable thread damage on high-value parts without cutting away material.
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X-Nut
M12, M14, 1⁄2-20, 9⁄16-18Hand-operated wheel-stud and wheel-bolt thread restoration family for common automotive and light-truck sizes. Designed to restore damaged external threads quickly without removing additional material.
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X-Nut XL
M16, M20, M22, 3⁄4-16, 5⁄8-18Larger X-Nut family for commercial vehicle wheel-bolt and wheel-stud restoration. Built for heavier service environments where damaged wheel threads can create downtime and replacement cost.
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Seized Nut Remover
Indexed-guide milling fixture · 8 mm cutterPrecision fastener-removal fixture for seized, rusted, or damaged nuts. An indexed milling path removes only the nut material so the fastener opens cleanly — while the shaft, threads, housings, and seals stay protected.
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XR-GT
Ø 5–20 mm / 3⁄16–3⁄4 inHand-operated precision gunsmithing tool for non-destructive restoration of damaged external barrel threads. Diameter-adjustable and supports standard and metric profiles, using pitch-specific rollers to cold-form threads without cutting away material.
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Roller Sets
Metric, LH Metric, UN / ANSIPitch-specific roller sets expand the XR restoration range. Roller sets are available for XR-16 and XR-60/120 systems, including metric, left-hand metric, American Standard, and individual pitch configurations.
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Kits & Accessories
Complete sets, starter kits, wrenchesReady-to-use configurations combine tools, roller sets, carrying cases, and accessories for specific use cases.
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Where a thread is recoverable, it can be restored in place, cold-formed back to true geometry with no material cut away.
- Non-destructive
- Reduced downtime
- No replacement
The right product family depends on thread diameter, pitch, damage type, component value, and service environment. Silbertool can help customers identify the right restoration tool, roller set, kit, or custom configuration.