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Yt27 Jack Hammer Yt28 Pneumatic Portable Drilling Machine Hand Held Rock Drill Jack Hammer with Air Leg

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Product Description

Basic Information
Model NO.
YT27
Certification
CE, ISO 9001:2000
Condition
New
Motor
Pneumatic
Drill Hole Diameter
34-45mm
Drill Hole Depth
5m(Max)
Bit Type
Button Bit
Drilling Way
Rotary
Air Consumption
80 L/S
Piston Diameter
80mm
Bit Head Size
R22*108mm
Production Capacity
1000pieces/Month
YT27 Pneumatic Drilling Machine
Product Features
  • Strong function of blowing and cleaning the gun hole with high turning torque for brazing.
  • Adopts a flange control valve to optimize gas production and other critical functions.
  • Ideal for rock drilling in large-scale mines and complex roadway projects.
  • Equipped with air-water linkage, air-leg quick return, and air pressure adjustment mechanisms.
  • Concentrated control handles for novel and easy operation.
  • Sound-deadening cover reduces noise and allows exhaust direction adjustment, improving site conditions.
Key Applications: Railway, tunnel, highway, metallurgy, coal mine, water conservancy, and hydropower construction projects.
Technical Specifications
ModelYT27
Net Weight27kg
Length668mm
Bit Head SizeR22×108mm
Air Consumption≤80 L/S
Percussive Frequency≥36.7 Hz
Impact Energy≥75.5 J
Boreholes Diameter34-45mm
Piston Diameter80mm
Piston Stroke60mm
Working Air Pressure0.63 Mpa
Working Water Pressure0.3 Mpa
Drilled Holes Depth2m-5m
Product Decomposition Diagram
YT27 Product Decomposition Diagram
Precautions For Use
YT27 Precautions
  • Check all parts, rotation, and lubrication before drilling; ensure wind and waterways are smooth.
  • Inspect the roof for live or loose rocks and perform necessary treatment before starting.
  • Pound the flat shell hole location in advance to prevent slippage or displacement.
  • Strictly forbid dry drilling: Use wet drilling (water first, then wind; stop wind first, then water).
  • Do not wear gloves during drilling operations.
  • Maintain proper standing posture; never rely on body pressure or stand directly in front of the drill.
  • Stop immediately if abnormal sound or water discharge occurs.
  • Retract the drill slowly when replacing brazing rods.
Usage Scenarios & Application
Application Image
Usage 1
Usage 2
YT27 heavy-duty air-legged rock drill is designed for high efficiency and low consumption in railway, highway, and mining operations.
Air Leg Rock Drill
Drilling Operation
Drilling Angle
Detail 1
Detail 2
Detail 3
Packaging & Delivery
Packaging Overview
Carton Box
Wooden Box
Frequently Asked Questions
What is the maximum drilling depth of the YT27 rock drill?
The YT27 rock drill can reach a maximum drilling depth of up to 5 meters.
What air pressure is required for optimal performance?
The recommended working air pressure is 0.63 Mpa, with an air consumption of ≤80 L/S.
Can this machine be used for vertical drilling?
Yes, it is suitable for drilling and blasting under various rock conditions and at any direction angle.
Why is wet drilling mandatory for the YT27?
Wet drilling is required to suppress dust, which protects the operator's health and ensures smoother operation of the drill bit.
Does the YT27 feature any noise reduction?
Yes, it includes a sound-deadening cover that effectively reduces noise and allows the exhaust to be directed away from the operator.
What types of bit heads are compatible with this model?
The YT27 is compatible with button bits and uses a standard bit head size of R22×108mm.

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