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DHD 340 Series Dth Rock Boring Bits Dia 4.5" (115mm) For Open Cast Mining Borehole

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China Putian Qideli Drilling Tools Co., Ltd. certification
I am now very confident in our company's product, is better than others' product.Good drilling tools, made by QIDELI.

—— Zhao Li Dong-----Agent on Xining Qinghai China

Our DTH hammer has passed the test of 4,500 meters and there are no problems at present. Thank you for your quality products.

—— Kassym------Kazakhstan customer

DHD 340 Series Dth Rock Boring Bits Dia 4.5" (115mm) For Open Cast Mining Borehole

DHD 340 Series Dth Rock Boring Bits Dia 4.5" (115mm) For Open Cast Mining Borehole
DHD 340 Series Dth Rock Boring Bits Dia 4.5" (115mm) For Open Cast Mining Borehole

Large Image :  DHD 340 Series Dth Rock Boring Bits Dia 4.5" (115mm) For Open Cast Mining Borehole Get Best Price

Product Details:

Place of Origin: CHINA
Brand Name: QIDELI
Certification: SGS, ISO: 9001
Model Number: DHD340-115

Payment & Shipping Terms:

Minimum Order Quantity: 1 Piece
Price: Negotiation
Packaging Details: 1000PCS/Months
Payment Terms: L/C, D/P, T/T, Western Union, MoneyGram
Supply Ability: 10000PCS/Months
Detailed Product Description
Shank Type: COP44\HD45\DHD340\QD45 Material: Special Steel
Usage: Rock Drill \ Mining \ Well Drilling Model Number: QD45A-152
Carbide Brand: YKO5 Carbide Type: Φ16X7 / Φ14X6
Face Type: Convex Face Color: Golden,redblack,yellow,croci
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down hole hammer drill bits


hard rock drill bits

DHD340 series dth button bits , dia 4.5" (115mm) for onpencase mining borehole


DHD340 series is widely used in mine drilling, and it is the most used high air pressure product in the world.It is characterized by stable structure, high efficiency and low energy consumption.In addition, the DHD series of products are universal and can be used in common with Atlas's COP series.

DHD340-115 drill bits are widely used in mine engineering in all parts of the world.

The DHD340 series comes in two forms:


1. Bit with nylon tube: the bit with nylon tube and the impactor used in this product has the feature that sediment is not easy to be inverted, which is more convenient to use. However, Hammer's structure is more complicated and the manufacturing cost is higher.


2. Bit without nylon tube: the Bit without nylon tube and the hammer used are more efficient, simpler structure and lower energy consumption.But there are requirements for the operator's proficiency.Product prices are more economical.


Specification of dth hammer bits Diameter
DHD3.5 high air pressure dth bits  90/95/100/105/110
DHD340 high air pressure dth bits 115/120/127/140/150
DHD350 high air pressure dth bits 135/140/146/152/165/178/190/203
DHD360 high air pressure dth bits 152/165/178/190/203/216/219/235
DHD380 high air pressure dth bits 203/216/219/235/254/278/305


1-12 inch middle-low/high air pressure DTH hammers & bits
Big hole high air pressure DTH hammer using in water well, oil, gas and construction drilling
Eccentric overburden drilling Equipment
Hole opener bit
Rock thread bit
Shank adapter, coupling sleeves and all kinds of adapters

Compared with the oversea brands, our advantages are bellowing:
a. Our products can match over 95% against the original products
b. Price are competitive against the famous brands and best quality against the small factory

Product picture:

DHD 340 Series Dth Rock Boring Bits Dia 4.5" (115mm) For Open Cast Mining Borehole 0

About Us:
1. Our factory has been specialized in manufacturing drilling tools and spare parts for over 10 years.
2. We have advanced technology and equipment.
3. Our technician has more than 13 year's professional working experience.
4. Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Iran, Philippines, Thailand, India, etc.




1. How can i place an order?

Please provide the product specification, requirement and quantity you need,We will contact with you at the first time.

We can communicate through Wechat/Skype/WhatsApp/Email to facilitate our more efficient communication.

2. What kind of engineering equipment and drilling tools do we provide?

Drilling Equipment:

① Drilling rig ② Water well drilling rig ③ Integrated drilling rig

④ Hydraulic tunneling drilling rig ⑤ Air compressor

Drilling Tools:

① DTH hammer ② DTH bits ③ Drilling rod

④ Top hammer bits ⑤ Shank adapter ⑥ Taper bits

⑦ Taper rods

3. How about the warranty ?

Guarantee according to industry standard.

4. What is your terms of delivery?

We accept EXW, FOB, CFR, CIF, DDU, DDP, etc. You can choose the one which is the most convenient or cost effective for you.

Customer Service
1. Before signing an official contract with our customer we will help to analyze and provide professional solution based on customer project information and come out with optimum solution.

Such as the equipment matching,bits face shape design,bits button design.
2. Your inquiry related to our products or price will be replied in 24hours.

3. Keep informing our customer production process and help arrange quality checking in the factory if necessary.

4. We supply one-shop service, we can supply you the bits , hammer , drilling rig ,air compressor uniformly.
5. Support product customization, research and manufacture according to your samples or drawings.

Contact Details
Putian Qideli Drilling Tools Co., Ltd.

Fax: 86-594-2936888

Send your inquiry directly to us