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Small Lithium Battery Electric Grinder and Hand Drill, Jade Polishing and Engraving Set
$11.19
Diamond mounted polishing points for carving, engraving and detail work, 80 to 2000 grit, on a 3 mm shank for a rotary tool.
Shipping & Delivery
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Standard courier delivery
Tracked door-to-door delivery from our Shenzhen warehouse.
6-25 business days, depending on destination
From $7.30 · Free shipping from $99 (by order weight)
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Express courier delivery
DHL, FedEx or UPS will deliver to the specified address.
2-8 business days, depending on destination
From $13.90
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12-month warranty
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30-day returns
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Product Attributes
| Carving and detail polishing |
Packaging Information
Unit weight and carton dimensions for every model in this listing.
| Model | Weight (lb) |
|---|---|
| Unit | 0.507 |
Figures are measured per single unit. Carton quantities and mixed pallets are available on request.
Detail polishing is done with a small mounted point on a rotary tool: the shape reaches into a carved groove or a carved eye, and the grit takes out the tool marks without rounding the detail. These points run 80 to 2000 grit on a 3 mm shank. Made by H.ROCKY.
Diamond Mounted Polishing Point: Overview
The point is a shaped abrasive head on a steel shank. Shape matters as much as grit: a pointed head reaches into a groove, a cylindrical one keeps a flat, a wheel blends a curve.
Diamond grit cuts fast on hard, brittle materials such as stone, glass, ceramic and hardened metal, and it holds its shape far longer than a soft abrasive.
The 3 mm shank fits the collet of a mini rotary tool, which is the machine these points are designed for.
Key Features at a Glance
- Diamond abrasive – cuts hard and brittle material and keeps its shape.
- 80 to 2000 grit range – coarse to shape, fine to finish.
- 25 mm heads – shaped to reach into detail.
- 3 mm shank – fits mini rotary tool collets.
- Detail work – carvings, engraving and inlays.
- Long lasting – diamond outlasts soft abrasive points.
Working with Mounted Points
Grit sequence
Work through the grits in order: 80 to 2000. Skipping a step leaves scratches that the finer grit has to remove, which uses the point up twice as fast.
Keep the point moving. Holding it in one place cuts a hollow and burns the surface, and on close detail work that hollow is impossible to remove.
Material and shape
Use the pointed shapes for grooves, eyes and letter edges, and the cylindrical or wheel shapes for flats and blending. Matching the head to the profile is what keeps the detail crisp.
Run at high speed with light pressure. Pressure only loads the point and heats the work, which on resinous wood and amber may mark the surface.
Care
Cleaning
Brush swarf out of the point between grits, and keep the points separate. A coarse point rubbing against a fine one in a box will ruin the fine one.
Store points in the case they came in, with the caps left on the shanks.
When to replace
A point that stops cutting and starts polishing has lost its bite; clean it once, and if it still will not cut, replace it. Forcing a worn point burns the work instead of cutting it.
Check the shank for straightness before use. A bent shank runs out in the collet and the point will not cut a clean surface.
Available Models and Prices
| Model | Rated Power (W) | Supply Voltage (V) | Number of Pieces per set | Battery Capacity (Ah) | Weight (kg) | Price (USD) |
|---|---|---|---|---|---|---|
| USB Die Grinder Small Green 3036 | 5 | 3.7 | 36 | 380 | 0.23 | $11.19 |
| USB Die Grinder Small Red 3036 | 5-1 | 3.7 | 36 | 380 | 0.23 | $11.19 |
| USB Die Grinder Small Grey 3036 | 5-2 | 3.7 | 36 | 380 | 0.23 | $11.19 |
| USB Die Grinder Small Black 3036 | 5-3 | 3.7 | 36 | 380 | 0.23 | $11.19 |
| 3036 Grit Mounted Point 5 | 5-4 | 3.7 | 36 | 380 | 0.23 | $11.19 |
All options are in stock. Prices are per piece in USD; carton prices on request.
Specifications
| Type | Diamond mounted polishing points |
| Abrasive | Diamond |
| Grit | 80 to 2000 |
| Head size | 25 mm |
| Shank | 3 mm shank |
| Machine | Mini rotary tool |
| Applications | Carving, engraving and detail polishing |
| Packed weight (base unit) | 0.507 lb (0.23 kg) |
| Country/region of origin | China |
| Model options | 5 configurations available |
Packaging Information
| Model | Weight (lb) |
|---|---|
| Unit | 0.507 |
Points ship in bags or sets; carton quantities and mixed cartons are available on request.
Where It Is Used
Carving and engraving in wood, bone, amber and nut shell, mirror polishing of small parts, and detail work on stone, glass and hardened metal.
Choosing a Mounted Point
- Match the shape to the profile: pointed for grooves, cylindrical for flats, wheel for curves.
- Start coarser than you expect to and finish one or two grits finer: 80 to 2000 covers most work.
- Check the shank size against the collet of the tool being used.
- Buy a set rather than single points where several grits will be worked through.
Care and Maintenance
Brush swarf out between grits and keep points separated in the box.
Replace a point that has stopped cutting; forcing it burns the work.
Check the shank is straight before fitting it in the collet.
OEM and Bulk Supply
Own-brand printing, custom shapes and grits, and retail packaging are available on request, with OEM and ODM support.
Frequently Asked Questions
Which options are available?
This listing covers 5 options: USB Die Grinder Small Green 3036; USB Die Grinder Small Red 3036; USB Die Grinder Small Grey 3036; USB Die Grinder Small Black 3036; 3036 Grit Mounted Point 5. All are in stock and priced individually.
What is it made of?
Key material: Diamond. Other specifications are listed in the Specifications table above.
What is it used for?
Carving and engraving in wood, bone, amber and nut shell, mirror polishing of small parts, and detail work on stone, glass and hardened metal.
Can I buy in bulk or with my own branding?
Yes. Own-brand labelling and printed packaging are available on request.
Summary
Detail polishing is done with a small mounted point on a rotary tool: the shape reaches into a carved groove or a carved eye, and the grit takes out the tool marks without rounding the detail. Offered in 5 configurations, each priced separately.
Typical use: Carving and engraving in wood, bone, amber and nut shell, mirror polishing of small parts, and detail work on stone, glass and hardened metal.
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