• Model NO.：DHD350R
• Material：Alloy Steel
• Type：DTH Hammer
• External Diameter：125mm
• Connection：API 2 3,8"
• Working Pressure：1.0-2.5MPa
• Recommended Rotation Speed：20-30r,Min
• Machine Type：Rock Drilling Tool
• Use：Well Drilling
• Weight：41kg
• Hole Range：135-155
• Bit Shank：DHD350r
• Impact Rate at 1.7MPa：23Hz
• Air Consumption：145-350psi
• Transport Package：Plywood Carton or Plywood Pallet
• Specification：Length1110mm
• Trademark：Maxdrill
• Origin：China
• HS Code：82071300
• Production Capacity：10000,PC Year

Basic Info.

Model NO. DHD350R Material Alloy Steel Type DTH Hammer External Diameter 125mm Connection API 2 3/8" Working Pressure 1.0-2.5MPa Recommended Rotation Speed 20-30r/Min Machine Type Rock Drilling Tool Use Well Drilling Weight 41kg Hole Range 135-155 Bit Shank DHD350r Impact Rate at 1.7MPa 23Hz Air Consumption 145-350psi Transport Package Plywood Carton or Plywood Pallet Specification Length1110mm Trademark Maxdrill Origin China HS Code 82071300 Production Capacity 10000/PC Year

Product Description

Maxdrill DHD350R DTH hammer 
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Product Despcription

DTH Hammer: 3"-12"

Bit Size: 76mm-605mm

Down the hole hammers and drill bits are designed together to work in perfect unison,

ADVANTAGE:

1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to the special inner structure of DTH hammer designed according to newest rock drilling theory.
2. Smooth performance and long service life of DTH hammer due to high quality alloy steel materials and advanced processing technology adapted.
3. Low problem rate and easy to maintenance due to simple, reliable and easy assemble and disassemble inner structure of hammer.
4. Easy to depart bit from hammer due to multihead thread connecting chuck and cylinder of hammer.
5. Interchangeable with DTH bit and drill pipe. Low pressure and high pressure hammers are available in our company.

Process &Packaging





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FAQ

The information you may like to know before order:

1. Methods of Payment:

  T/T (Telegraphic Transfer) or Western Union or L/C at sight

2. Handling time for an order

  Based on order quantity, normally it takes 25 days for production.

  Only 2 or 3 days if we have stock on your request size.

3. Shipping way

  Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air

  Bulk order: we suggest by air or by sea.

4. Quality Control

  We have our own experienced QC.

  There will be strict inspection and testing for every order before shipping out.

5. After Services:

  a. Our sales team will response for your question within 24 hours (Holidays Excluded)

  b. Technical Support will be available in any time

  c. Free replacement will provide once the failure confirmed caused by our product quality

Contact Information
Contact Person:Ms Linda Chen
 
 
 
Website:maxdrillrocktools.en.made-in-china.com