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Conical‑grooved shanks are typically used with medium‑ and large‑size hydraulic breakers equipped with drill rods of 140 mm diameter or larger. After heat treatment, the core hardness of these grooved rods is increased, resulting in improved wear resistance.
The image shows the available model options; large, medium, and small sizes are all in stock. Custom-made items can be produced upon request. Our company is equipped with heat‑treatment furnaces and machining centers, enabling us to handle special‑purpose machining as well.
The image shows the compatible models; large, medium, and small sizes are all in stock.
The image shows the compatible models; large, medium, and small sizes are all in stock.
The image shows the compatible models; large, medium, and small sizes are all in stock.
The image shows the compatible models; large, medium, and small sizes are all in stock.
The figure below shows the compatible models.
Features: Concentrates force at a single point to achieve crushing, generating powerful breaking power that transforms a point into an area of destruction.
Customized to meet customer requirements, the automatic lubrication series is primarily used with chisel rods for hydraulic breakers rated at 135 kN and above.
Koga HB Series Hydraulic Breakers
Koga series hydraulic breakers feature fast impact frequency, powerful performance, and exceptional durability. Model Unit HB15G HB20G HB30G HB40G Breaker weight kg 640 800 1200 1590 Triangular hammer weight kg 1200 1430 2480 3280 Silent hammer weight kg 1450 1835 2540 3550 Straight hammer weight kg 1330 1605 2290 3310 Overall length mm 2115 2257 2680 2886 Impact frequency bpm 400–525 400–550 350–450 300–350 Working flow rate L/min 120–155 125–160 160–210 200–250 Working pressure MPa 16–18 14.5–18 14.5–18 16–18 Drill rod diameter mm 120 135 150 160 Excavator tonnage J 15–19 19–22 26–32 32–44
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Phone:0535-3805029
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Email:sales2@ytxinren.com
Address: No. 99-2, Haicheng Street, Rushankou Industrial Park, Weihai City, Shandong Province