shims and wedges are a kind of manual tools that uses manpower to impact the metal wedge into holes on stone, thereby split stone. It is mainly used in splitting cracked stone and arch stone which by utilizing a wedge set can be separated into smaller or standard stone blocks. Wedge can also trim relative large and irregular stone blocks.
Each set shims and wedges consist of a metal wedge (the plug), and two shims (the feathers). The feathers are wide at the bottom, and tapered and curved at the top. When the two feathers are placed on either side of the plug, the combined width of the set is the same at both ends. The depth of drilled hole depends on the length of wedge.
Advantages
1.) Mainly rely on manpower, therefore labor intensive, and have difficult working conditions. 2.) Suitable for mining where lack of power, water supply.
3.) Suitable for quarrying layered ores which are either horizontal or gently inclined, have layer depth around 1.5m. 4.) Can apply desegregation and separation of large stone blocks quarried through other methods. 5.) It is easy to handle with and maintains its value in mines of which have better rock fracturing performance and low mechanical level.
Specifications of the Rock split tools
| Shims & Wedges (Feather Pair & Wedges) | ||
| Hole Diameter(mm) | Length(mm) | Net Weight(kg) |
| 14 | 125 | 0.16 |
| 16 | 125 | 0.18 |
| 20 | 190 | 0.5 |
| 24 | 200 | 0.6 |
| 32 | 270 | 1.5 |
| 34 | 280 | 1.7 |
| 38 | 325 | 2.2 |
| 38 | 600 | 3.6 |
| Usage: 1. Used for eons in the stone industry, and still the most effective way to split stone. 2. Stone will split cleanly in any direction-even serpentine. 3. Fits 14mm - 38mm diameter hole. 4. Insert into hole that is slightly deeper. 5. Suitable for quarrying layered ores which are either horizontal or gently inclined, have layer depth around 1.5m |
(1) Direct factory wholesale price, price is cheaper than trading companies.
(2) Strict Quality Control Department, each piece bit need to be checked.
(3) Accept custom order. can special make for you.
(4) Focus on the quality.We seek long-term interest.
(5) Welcome small orders, our Min Quantity Order is 10 pieces.





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Step 1
Payment and order readiness
Minimum order: 5 Units
Payment terms, specifications, and order details are confirmed before preparation begins.
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Step 2
Preparation
Lead time will be confirmed with your quotation.
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Step 3
Packaging and dispatch
Economy · Estimated delivery: Oct 2–Oct 21 (24–43 days)
Final packing, freight, and delivery dates are confirmed before dispatch.
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