[Demo unit available for rental] The drilling angle is freely adjustable at 360 degrees! A lightweight and durable rock drilling machine.
The MM-78 is a portable rock drilling machine that does not require any equipment such as power sources or compressors. Being a gasoline-powered portable rock drill, it requires no additional equipment. It is lightweight and durable due to the use of special magnesium alloys and other special alloys. Additionally, the adoption of a diaphragm-type carburetor enhances rotational stability, allowing for a drilling angle that is freely adjustable up to 360 degrees. 【Features】 ■ No need for power sources or compressors ■ Gasoline-powered ■ Use of special magnesium alloys and other special alloys ■ Equipped with a diaphragm-type carburetor *For more details, please refer to the PDF document or feel free to contact us.
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【Specifications (Excerpt)】 ■Dimensions (mm): 596×260×240 ■Weight (kg): 15 ■Fuel tank capacity (L): 1.1 ■Fuel mixing ratio: 12 (gasoline): 1 (oil), up to 15:1 ■Drilling angle: 360 degrees ■Ignition method: Flywheel magneto ■Cooling method: Forced air cooling ■Starting method: Recoil starter ■Engine ・Total displacement: 54cc + 21cc = 75cc ・Revolutions: 2800–3200rpm ■Compressor ・Type: Reciprocating piston type ・Discharge volume: 21cc ■Hammer piston dimensions (L) ・Diameter × Stroke: φ65 × 8–10 ・Impact dimensions: φ25 ■Drill rod rotation (rpm) ・Type: Spline lead groove ・Revolutions: Approximately 200 ■Drill rod shank dimensions (L): 19×83 (JIS H19TS) ■Bit gauge dimensions: φ26 ■Drilling speed (cm/min): 18 ■Fuel consumption (L/h): 1.3 ■Maximum drilling depth (m): 3 ■Drill rod dimensions: 19 *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Maruzen Kogyo Co., Ltd. is a company that mainly handles small hydraulic machines and vehicle inspection equipment that are active in small-scale construction projects. About half of our business is in the construction machinery sector, and since our founding, we have refined our ability to produce a wide variety of products in small quantities. Additionally, our products are well-recognized overseas, and we will continue to focus on developing high-value-added products while collaborating with our overseas partner companies to accelerate our global business expansion. If you have any inquiries regarding small construction machinery, automotive inspection devices, or packaging-related equipment, please feel free to consult us.