China Ql40A Down The Hole Impactor DTH Hammer for Construction and Mining Manufacturers, Factory

Product Details
Customization: Available
After-sales Service: Repair or Replacement
Warranty: 6 Months

Product Description

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Basic Information

Model NO.QL40A DTH Hammer
CertificationCE, ISO 9001:2000, ISO 9001:2008
StandardAISI, GB
Surface TreatmentSpray-Paint
MaterialCarbon Steel
Machine TypeDrilling Tools
Working Pressure1.0-2.2MPa
Bit ShankQL40A
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Product Description

High air pressure DTH hammer is a professional down-the-hole tool designed for percussive drilling in rock formations. Characterized by high air pressure and superior efficiency, it is the ideal choice for projects with abundant air supply. By utilizing compressed air to drive a reciprocating piston, it generates high impact energy to penetrate rock formations rapidly.

Key Features & Advantages

  • Maximum Energy Transfer: Inner structure designed for fast drilling speed and low air consumption.
  • High Durability: Adapted high-quality alloy steel and advanced processing for long service life.
  • Low Maintenance: Simple and reliable inner structure ensures easy assembly and disassembly.
  • Versatile Application: Suitable for water well drilling, mining, bench drilling, and civil engineering.
  • Improved Efficiency: Penetrates 15% to 30% faster than standard tools, maximizing compressor capacity.
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DTH Hammer Specifications

Type Model Length (mm) Weight (kg) External Dia. (mm) Hole Range (mm)
3.5 inchDHD3.593025Φ82Φ90-110
4 inchDHD340103039Φ99Φ110-135
SD4108440.5Φ99
QL4109741Φ99
Mission40100540Φ99
5 inchDHD350121476.5Φ125Φ135-155
SD5117572.5Φ125
QL5114773Φ125
Mission50111068.5Φ125
6 inchDHD3601248100Φ142Φ155-190
SD61261100Φ142
QL6121295Φ146
Mission60116190Φ146
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QL40A Specific Details

Hammer Length:1057 mm
Top Sub Thread:API 2 3/8" REG PIN
Outside Diameter:99 mm
Weight:42.7 KG
Bit Diameter:110-135 mm
Air Consumption:5.5-9 (M3/min)
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Detailed Photos

QL40A Product
Detail 1 Detail 2 Detail 3
Detail 4 Detail 5 Detail 6
Detail 7 Detail 8 Production
Packaging

Frequently Asked Questions

1. What are the available payment methods?
We accept T/T (Telegraphic Transfer), Western Union, and L/C at sight.
2. How long is the standard lead time for an order?
Production normally takes 25 days. If the requested size is in stock, it can be shipped within 2 to 3 days.
3. What shipping options are available?
For sample orders, we suggest express couriers like DHL/UPS/TNT/FEDEX or air freight. For bulk orders, we recommend shipping by sea or air.
4. How do you ensure product quality?
We have an experienced internal QC team. Every order undergoes strict inspection and testing before shipment.
5. What kind of after-sales support do you provide?
Our team responds within 24 hours. We provide technical support at any time and offer free replacements for confirmed quality failures.
6. Is the QL40A hammer compatible with other bits?
Yes, our HD series hammers are designed to be interchangeable with standard DTH bits and drill pipes.

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