Round Die Stock Holder 20~65mm Die Handle Cap, Adjustable Die Handle Wrench

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Sale price$9.45 USD
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Description

Round Die Stock Holder — Adjustable Die Handle Wrench for M3 to M36 Thread Cutting

Threading a bolt by hand without a proper die holder is a recipe for crooked threads and stripped workpieces. Machinists, maintenance technicians, and serious DIYers who cut external threads regularly need a die stock that locks the die firmly in place and gives them controlled torque — without slipping or wobbling mid-cut. This round die stock holder is built for exactly that job.

Each die handle consists of a cylindrical body machined to accept round split dies, paired with a cap that clamps down to secure the die concentrically. The adjustable set screws allow fine centering of the die within the holder. Available in seven body diameters — φ20 mm through φ65 mm (approximately 0.79" to 2.56") — each size is matched to a specific thread range from M3 up to M36.

Typical applications include cutting new threads on steel rod for custom fasteners, re-threading damaged bolt shanks on machinery, and producing threaded fittings in plumbing or automotive repair. The adjustable die stock wrench format suits bench work, field repair kits, and workshop threading sets alike.

🔩 Compatible with standard round split dies. Match the holder diameter to your die's outer diameter — see variant options for the correct size per thread range.

✅ Key Features of These Round Die Stock Holders

🎯Seven Size Options
Body diameters from φ20 mm to φ65 mm cover thread ranges M3–M6 through M27–M36, letting you match the holder precisely to your die set.
🔒Cap-Clamp Securing System
The threaded cap presses the die firmly against the holder body, preventing rotation or axial shift during cutting — critical for straight, clean threads.
⚙️Adjustable Set Screws
Radial set screws allow fine centering of the die within the bore, compensating for minor die tolerances and keeping the cut concentric.
🛠️Dual-Handle Bar Design
The cross-bar handle provides two-handed torque application for controlled, even pressure — reducing the risk of tap breakage or thread distortion on harder materials.
📐Machined Bore Tolerances
The holder bore is sized to accept standard round die outer diameters within each range, ensuring a snug fit without play that would cause off-axis threading.
🔄Reversible for Left- and Right-Hand Threads
The open-body design allows the die to be flipped for cutting left-hand threads where required, without needing a separate tool.

📐 Technical Specifications — Round Die Stock Holder

Product Type Round Die Stock Holder / Die Handle Wrench
Body Diameter Range φ20 mm – φ65 mm (0.79" – 2.56")
Thread Range Covered M3–M6 (φ20) · M7–M9 (φ25) · M10–M11 (φ30) · M12–M16 (φ38) · M12–M20 (φ45) · M22–M25 (φ55) · M27–M36 (φ65)
Die Type Accepted Standard round split dies
Securing Method Threaded cap + adjustable set screws
Handle Style Cross-bar (dual-grip)
Material See variant options
Finish See variant options
Weight See variant options

❓ Frequently Asked Questions

How do I choose the right die stock size for my die?

Match the holder's body diameter (φ value) to the outer diameter of your round die. Each variant lists the compatible thread range — for example, φ38 suits dies for M12–M16 threads. If your die's outer diameter falls between two sizes, choose the larger holder for a secure fit.

Will this holder work with dies from different brands?

Yes, provided the die's outer diameter matches the holder bore. This die stock is designed for standard round split dies that follow common metric sizing conventions. Always verify your die's outer diameter against the variant specification before ordering.

Can I cut left-hand threads with this die stock?

Yes. The open-body design allows you to flip a reversible die to cut left-hand threads. Ensure your die itself supports left-hand cutting — the holder accommodates the die orientation either way.

What materials can I thread using this die handle?

This die stock is suitable for threading mild steel, stainless steel, aluminum, brass, and copper rod, depending on the die used. For harder materials, apply cutting fluid and use slow, steady pressure with frequent back-turns to clear chips.

How do the set screws help with thread accuracy?

The radial set screws allow you to center the die within the holder bore before tightening the cap. This compensates for minor dimensional variation between die brands and ensures the cutting edges engage the workpiece concentrically, reducing the risk of tapered or off-center threads.

Is this die stock suitable for field repair work or only bench use?

The compact, self-contained design makes it practical for both workshop bench use and field repair kits. The cross-bar handle provides enough leverage for hand threading without requiring a vise, though securing the workpiece in a vise is always recommended for best results.

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