3‑Piece Straight Slim Tapered Split Spindle Mandrel Set — 2.35mm Shank for Jewelry Polishing and Fine Sanding
3‑Piece Straight Slim Tapered Split Spindle Mandrel Set — 2.35mm Shank for Jewelry Polishing and Fine Sanding
3‑Piece Straight Slim Tapered Split Spindle Mandrel Set — 2.35mm Shank for Jewelry Polishing and Fine Sanding
3‑Piece Straight Slim Tapered Split Spindle Mandrel Set — 2.35mm Shank for Jewelry Polishing and Fine Sanding
3‑Piece Straight Slim Tapered Split Spindle Mandrel Set — 2.35mm Shank for Jewelry Polishing and Fine Sanding
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3‑Piece Straight Slim Tapered Split Spindle Mandrel Set — 2.35mm Shank for Jewelry Polishing and Fine Sanding3‑Piece Straight Slim Tapered Split Spindle Mandrel Set — 2.35mm Shank for Jewelry Polishing and Fine Sanding3‑Piece Straight Slim Tapered Split Spindle Mandrel Set — 2.35mm Shank for Jewelry Polishing and Fine Sanding3‑Piece Straight Slim Tapered Split Spindle Mandrel Set — 2.35mm Shank for Jewelry Polishing and Fine Sanding3‑Piece Straight Slim Tapered Split Spindle Mandrel Set — 2.35mm Shank for Jewelry Polishing and Fine Sanding

3‑Piece Straight Slim Tapered Split Spindle Mandrel Set — 2.35mm Shank for Jewelry Polishing and Fine Sanding

HomeDIYer
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By HomeDIYer®

Price:
$2.71 USD
Stock:
In stock (500 units), ready to be shipped

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Description

3 Split Spindle Mandrel Set Description
🔧 Precision Sanding for Jewelry, Models & Fine Craft — 3‑Piece Split Spindle Mandrel Set with 2.35mm Shank. Reach the intricate, hard‑to‑access areas that standard sanding tools can't touch. This set includes three distinct split mandrel profiles—straight, slim, and tapered—giving you the flexibility to match the tool to the contour you're working on. Each mandrel accepts a strip of emery paper or wet/dry abrasive that is simply threaded through the slot and wound around the shaft. A standard 2.35mm shank fits most pendant motors, micro motors, and hobby drills. Ideal for jewelry polishing, watch repair, model making, deburring, and any task requiring controlled, detailed sanding in confined spaces.

⚙️ Key Features of the 3‑Piece Split Spindle Set

📐

Three Mandrel Profiles: Straight, Slim & Tapered

Straight for flat surfaces and consistent diameters. Slim for ultra‑fine detail work. Tapered for reaching into V‑shaped grooves, inner rings, and contoured recesses. One set covers every angle.

📏

Standard 2.35mm (3/32") Shank

Compatible with most pendant motors, micro motors, hobby drills, and jewelry drills. Fits standard collets and chucks without adapters.

🔄

Simple Emery Paper Loading

Thread a strip of abrasive paper through the slot, then wind it around the shaft. The rotation of the mandrel keeps the paper tight against the workpiece. When the outer layer wears, simply tear it off to reveal fresh abrasive beneath.

🛡️

Durable Alloy Construction

Precision‑machined from quality alloy to resist bending and maintain slot integrity through repeated use. Built to last through countless polishing and finishing sessions.

💎

Ideal for Jewelry & Fine Detailing

Perfect for polishing rings, bracelets, watch components, and intricate metalwork. Also excellent for model making, electronics repair, deburring, and cleaning tight mechanical parts.

🧰

Compact Slot Design — 16mm Length

The approximately 16mm slot accommodates standard emery paper strips. Wind tightly for a secure fit that won't unravel during use when loaded in the correct direction.

📐 Technical Specifications

Mandrel Types Straight · Slim · Tapered
Material Alloy
Shank Diameter 2.35mm (3/32 inch)
Slot Length Approx. 16mm
Total Length Approx. 50mm each
Compatibility Jewelry drills, pendant motors, micro motors, hobby drills with 2.35mm collet
Applications Jewelry polishing, watch repair, model making, deburring, fine sanding
Package Includes 1 x Straight split mandrel · 1 x Slim split mandrel · 1 x Tapered split mandrel

❓ Frequently Asked Questions

🔄 How do I correctly wind the emery paper onto the mandrel?
Thread the end of the abrasive strip through the slot, then wind it tightly around the shaft in the same direction the mandrel will spin. When rotating against the workpiece, the motion keeps the paper tight. If wound in the opposite direction, the paper will unravel during use.
📐 When should I use the tapered mandrel versus the straight one?
Use the straight mandrel for flat surfaces and uniform diameters. The slim mandrel excels in narrow gaps. The tapered mandrel is designed for V‑shaped grooves, inner ring contours, and any recessed area that narrows as it deepens.
💎 Can I use wet/dry sandpaper with these mandrels?
Yes. Both standard emery paper and wet/dry silicon carbide paper can be used. For wet sanding, ensure the mandrel itself is dried after use to prevent corrosion over time.
📏 What width of sandpaper strip fits the 16mm slot?
The slot is approximately 16mm long. Cut abrasive strips to about 10‑15mm in width for best results. The strip should be narrow enough to fit through the slot while wide enough to provide a useful sanding surface when wound.
🛡️ Will the alloy shank rust over time?
The alloy material resists rust under normal use. If used with water, dry the mandrel thoroughly after each session. A light coat of machine oil before storage will further protect the metal.
⭐ Pro tip: Always check the winding direction before starting your drill. Wind the paper so that the rotation of the tool tightens the paper, not loosens it. When the outer layer becomes worn, simply tear it off to reveal a fresh layer of abrasive underneath—no need to re‑thread.

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