China DTH Hammer and Bits Supplier 3, 4, 5, 6, 8, 10, 12 Inch for Mining, Water Well Drilling

• Customization: Available
• After-sales Service: Yes
• Warranty: 6 Months
• Model NO.: DHD340
• Certification: ISO 9001:2015
• Standard: GB/T2828.1-2003
• Surface Treatment: Painting
• Manufacturing Process: Machining
• Material: Alloy Steel
• Type: DTH Hammer
• External Diameter: 99mm
• 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: 39kg
• Hole Range: 110-135
• Bit Shank: DHD340
• Impact Rate at 1.7MPa: 28Hz
• Air Consumption: 145-350psi
• Transport Package: Plywood Carton or Plywood Pallet
• Specification: Length1030mm
• Trademark: Maxdrill
• Origin: China
• HS Code: 82071300
• Production Capacity: 10000/PC Year

Product Description

China DTH hammer and bits supplier 3,4,5,6,8,10,12 inch for mining,water well drilling 

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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 Description	Weight(Kg)	Part Number
1.Top Sub	6.50	MD4501
2."O" Ring of Top Sub	0.01	MD4502
3.Check Valve	0.42	MD4503
4.Spring	0.04	MD4504
5.Compression Buffer	0.04	MD4505
6.Air Distributor	2.20	MD4506
7.Internal Cylinder	2.30	MD4507
8.Piston	9.00	MD4508
9.External Cylinder	15.00	MD4509
10."O" Ring of Stop Ring	0.01	MD4510
11.Stop Ring	0.20	MD4511
12.Drive Chuck	3.50	MD4512
13.Drill Bit		MD4513

Technical Date

Length(Less Bit)	Weight(Less Bit)	External diameter	Bit shank	Hole Range	Connection Thread
1030mm	39.00kg	ø99mm	DHD340	ø110-ø135	API2 3/8"Reg

 

Working Pressure	Impact Rate At 1.7Mpa	Recommended Rotation Speed	Air Consumption
1.0-2.5Mpa	28HZ	25-40r/min	145-350PSI 200-600CFM

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
 
 
Website:maxdrillrocktools.en.made-in-china.com