7655 Air-leg Rock Drill

7655 Air-leg Rock Drill

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1 Year for machinery warranty

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Supply Ability:50000 Piece/Pieces per Month

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Portable pneumatic rock drill: 7655 Air-leg Rock Drill Hand-hold Jack Hammer

Product Introduction

7655  Air-leg Rock Drill (Hand-hold Jack Hammer) is used for rock drilling, blasting holes and other drilling works in the quarries, small coal mines and other constructions.

Product Features:

Centralized operation systen, flexible startup, energy-efficient, durable wearing-products, strong ability in washing blast holes and reliable.

* 1. Fit for wet drilling in medium-hard or hard rock.
* 2. Grouped control mechanism,quick to start up, with “air on ,water on, air off,water off” mechanism,convenient to handle and
easy to maintain and repair.
* 3. Long service life of parts, parts highly interchangeable and reliable performance.
* 4. 7655 Air-leg Rock Drill differ form similar products particularly in its high efficiency, strong flushing and powerful torque.


YT24 Air-leg Rock Drill

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Technique Parameters:

7655 Air-leg Rock DrillPortable pneumatic rock drillHand-hold Jack Hammer
Tenchnology parameters nameParameters unitsParameters
Dimension (Length)MM628
Cylinder DiameterMM76
Piston strokeMM55
Working pressureBar(e)4-6.3
Impact strength (at 6.3 bar (e) )J≥59
Impact strength (at 5.0 bar (e) )J≥54
Impact strength (at 4.0 bar (e) )J≥48
Air consumption (at 6.3 bar (e) )L/S≤54
Air consumption (at 5.0 bar (e) )L/S≤45
Air consumption (at 4.0 bar (e) )L/S≤40
Impact frequency (at 6.3 bar (e) )Hz≥36
Impact frequency (at 5.0 bar (e) )Hz≥30
Impact frequency (at 4.0 bar (e) )Hz≥28
Torque (at 6.3 bar (e) )Nm≥19
Torque (at 5.0 bar (e) )Nm≥16
Torque (at 4.0 bar (e) )Nm≥13
Drilling speedMM/ Min≥340
Air hose inner diameterMM25
Water hose inner diameterMM13
Drilling diameterMM 34-42
Max drilling depthM5
Working temperature-30 to +50
Shank dimensionsMMH22*108±1(Hex*Length)

Notes: The air pressure of function specification is 0.5 MPa.

7655 Air-leg Rock Drill (Hand-hold Jack Hammer)
7655 Air-leg Rock Drill is one of the modern rock drilling machinery, adopting many technologiers, such as the combination of pneumactics and water, rapid telescopic air leg, pressure regulation and so on. The controller is concentrated on one handle for easier operation; in addition, the collateral quieter can optionally change the exhaust direction, lower the noise and improve the working condition. Practices have proven that our 7655 Air-leg Rock Drill is with the advantages of ligh weight, reliability, durable wearing parts, easy maintenance etc. It is an efficient, energy saving and environmental rock drilling equipment that is quite popular to users.  

7655 Air-leg Rock Drill (Hand-hold Jack Hammer) Features:

1. Centralized operationg system, flexible startup, combination of pneumatics and water, convenient usage and maintenance.
2. Low noise, low vibration, energy-efficient, durable wearing-products, strong ability in washing blastholes and reliable.

7655 Air-leg Rock Drill, Scope of Application:

1. 7655 Air-leg Rock Drill is an efficient rock drilling equipment that is mainly used in coal mining and roadway drivage, and also an indispensable tool in railway works, water conservancy construction and earthwork.
2. 7655 Air-leg Rock Drill has a wide application scope, that it can be used to drill horizontal or tipilted blastholes on medium and dard stone, as well as vertical bolt holes on the roof. The diameter of blast holes is usually 34-42mm, and the effective depth of the hole can reach to 5 meters. 7655 is suitable with FY200B lubricator and FT160A ( or FT160B, FT170) air leg, or just on the drill rig.

Products Images

G7/G10/G10F Pneumatic pick hammer

H77322f32abc54179b587b0d68137945eHG7/G20/G10 Air pick and G7/G10/G10F Pneumatic pick hammer

            Compared with similar types of air picks, G7 air pick (G7 Pneumatic pick hammer) is light, flexible and convenient and it is suitable for operating all rounds of work, especially in narrow, upper or climbing directions. It can stop working automatically when the solid object is broken. It’s widely used in coal mining, soft rock, digging pits for post brackets, digging slots, breaking concrete or frozen earth in construction, installation engineering and constructing works in casting industries etc.

The type of G10 air pick (G10 Pneumatic pick hammer) has higher efficiency and durability owing to its features of short and light, and it is easier for repair and maintenance than others. Main application: coal mining, soft rock, digging pits for post brackets, digging slots, breaking concrete or frozen earth in construction, installation engineering and constructing works in casting industries etc.

The main application of F20 air pick includes reinforced concrete construction, cement, permafrosr, ice, soft rock, soft mineral, road construction or other constructing works in casting industries. G20 air pick can be used in the concrete of installation works and occasions that need impact power in machinery industry like: tractor, the loading and unloading for tank track.

G10F air pick ( G10F peumatic pick hammer) is antifreezing, more suitable for working in low temperture conditions , which is mainly used in cold plateau area.

Hot Selling portable pneumatic rock drill : G7/G10/G10F Pneumatic pick hammer


G7/G10/G10F Pneumatic pick hammer


Product packaging

Company Introduction

      Established in 1992, KINGKONG. is a manufacturer specialized in the research, development and production of DTH drilling rig, Water well drilling rig, DTH hammer, DTH bits, Drilling Pipe, Hand held Jack Hammer, portable pneumatic rock drill, YT24 Air-leg Rock Drill and all accessories about above products. 

     We are located in Henan with convenient transportation access. And our factory covers an area of 10,000 square meters and has more than 500 staff.

    All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the nearfuture.
Certifications show of King Kong
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Hot Selling portable pneumatic rock drill


Customize the most suitable products solution, Meet your actual demand within your budget.


Standard production for high quality products, Strict fully inspection before delivery, Ship the goods on time.


Help you operate the products, Offer maintenance advice, Solve the problem in your usage.
Good standard product package
Various methods of transportation
Work with experienced freight forwarder and ship company.


1.what can you buy from us?

Air Compressor,Drilling Rig,Drill Bit,Spare Parts

2.How can I make payment?
A: You can pay directly online on Alibaba with credit card, or TT, Western Union, LC etc.

3. How is the shipment? How long dose it take?
A: For large quantity or heavy products, we ship by sea shipping or land shipping. Shipping efficiency depends on country and city you want to ship to. For small and delicate products, we ship by DHL, UPS, Fedex or TNT.You can also appoint shipping method you like before we ship.4.How is your quality control?
A: We have our own experienced QC.There will be strict inspection and testing for every order before shipping out.

5.Do you have any certificate of authorization?
A: Our machinery is CE certified.

If you need any rock drilling tools, please contact our company:


Whatsapp/wechat:+86 17638571343




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