Mining Rock Drilling Tools 3′ ′ DHD3.5 DTH Hammer DHD3.5

• Customization: Available
• After-sales Service: Yes
• Warranty: 6 Months
• Model NO.: DHD3.5
• Standard: GB/T2828.1-2003
• Surface Treatment: Painting
• Manufacturing Process: Machining
• Material: Alloy Steel
• Type: DTH Hammer
• External Diameter: 82mm
• Connection: API 2 3/8"
• Working Pressure: 1.0-2.5MPa
• Recommended Rotation Speed: 25-40r/Min
• Machine Type: Rock Drilling Tool
• Use: Well Drilling
• Weight: 25kg
• Hole Range: 90-110
• Bit Shank: DHD3.5
• Impact Rate at 1.7MPa: 28Hz
• Air Consumption: 145-350psi
• Brand: Maxdrill
• Application: Water Well, Mining
• Color: Red
• Transport Package: Plywood Carton or Plywood Pallet
• Specification: Length930mm
• Trademark: Maxdrill
• Origin: China
• HS Code: 82071300
• Production Capacity: 10000/PC Year

Product Description

mining quarry basalt granite limestone rock drilling tools 3'' DHD3.5 DTH hammer DHD3.5
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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.

Item	Part Number	Description
1	MD3501	Top sub
2	MD3502	O Ring of Top Sub
3	MD3503	Check Valve
4	MD3504	Spring
5	MD3505	Compression Buffer
6	MD3506	Air Distributor
7	MD3507	Internal Cylinder
8	MD3508	Piston
9	MD3509	External Cylinder
10	MD3510	O Ring of Stop Ring
11	MD3511	Stop Ring
12	MD3512	Drive Chuck
13	MD3513	Drill Bit

Process &Packaging





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Wide Applications


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