495mm DHD475 Shank High Air Pressure DTH Hammer Bits for Rock Drill

• Customization: Available
• Certification: ISO 9001:2000, SGS
• Standard: GB
• Model NO.: MDHD475-495
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Material: Carbon Steel
• Bit Dia.: 495
• Weight: 710.0kg
• No. Air Holes: 4
• Can It Be Customized?: Yes.
• Transport Package: Wooden Case
• Trademark: MING
• Origin: China
• HS Code: 8207199000
• Production Capacity: 20000PCS/Year
• Package Size: 70.00cm * 52.00cm * 52.00cm
• Package Gross Weight: 715.000kg

Product Description

495mm DHD475 Shank High Air Pressure DTH Hammer Bits for Rock Drill

Product Description

DTH bit is our company main product. After many years search, we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft technology and passed through strictly inspection, manufacturing high quality products.

Shank types: DHD3.5, DHD340A, DHD350R, DHD360, DHD380.
DTH rock drill bits hole diameter: 3'', 4'', 5'', 6'', 8''(85mm-305mm)

Advantages of High Air Pressure Drill Bits:

1. Efficient Penetration: High air pressure drill bits are specifically engineered to deliver exceptional penetration capabilities, allowing them to bore through tough materials with ease. The high pressure ensures that the drill bit maintains consistent force during operation, leading to faster and more efficient drilling processes.

2. Enhanced Durability: These drill bits are constructed from high-quality materials that can withstand the demanding conditions encountered during drilling. Their robust design and resistance to wear and tear make them durable tools that can last through numerous drilling operations.

3. Precision Cutting: High air pressure drill bits offer superior precision in cutting, enabling operators to create accurate holes with smooth finishes. This precision is crucial in industries where exact hole dimensions are required for the success of the overall project.

4. Versatility: High air pressure drill bits are versatile tools that can be used in a wide range of applications, from mining and construction to geothermal drilling and exploration. Their adaptability to different environments and materials makes them highly sought after in various industries.

5. Increased Productivity: By providing efficient drilling capabilities and reliable performance, high air pressure drill bits contribute to increased productivity on worksites. Their ability to drill quickly and accurately helps expedite project timelines and minimize downtime.

 

Technical Date

1-2 inch Middle air pressure DTH bits
Model	Bit Dia.(mm)	NO. X Button Dia.		NO.Air Holes(PCS)	Weight(KG)
		Gauge	Front
MDHD25-76	76	6*Φ13	5*Φ10	2	3.6
MDHD25-82	82	6*Φ14	4*Φ11	2	4.0
MDHD25-90	90	8*Φ12	5*Φ12	2	4.2
3 inch hight air pressure DTH bits
MDDHD32-85	85	6*Φ13	4*Φ12	2	4.2
MDDHD32-90	90	6*Φ14	4*Φ12	2	4.5
MDDHD32-95	95	6*Φ14	4*Φ13	2	4.7
MDDHD32-100	100	6*Φ14	5*Φ12	2	5.0
MDDHD32-105	105	6*Φ14	5*Φ13	2	5.3
MDDHD34-85	85	6*Φ13	4*Φ12	2	4.2
MDDHD34-90	90	6*Φ14	4*Φ12	2	4.5
MDDHD34-95	95	6*Φ14	4*Φ13	2	4.8
MDDHD34-100	100	6*Φ14	5*Φ12	2	5.0
MDDHD34-105	105	6*Φ14	5*Φ13	2	5.5
MDDHD44-105	105	6*Φ14	5*Φ13	2	8.5
MDDHD44-110	110	7*Φ14	6*Φ13	2	8.8
MDDHD44-115	115	7*Φ14	6*Φ13	2	9.0
MDDHD44-120	120	8*Φ14	7*Φ13	2	9.8
MDDHD44-127	127	8*Φ14	7*Φ13	2	11.0
5 inch high air pressure DTH bits
MDDHD54-135	135	7*Φ18	6*Φ14	2	15.0
MDDHD54-140	140	7*Φ18	7*Φ14	2	16.0
MDDHD54-146	146	7*Φ18	7*Φ14	2	17.0
MDDHD54-152	152	8*Φ18	8*Φ14	2	17.5
MDDHD54-165	165	8*Φ18	8*Φ16	2	18.5
6 inch high air pressure DTH bits
MDDHD64-152	152	8*Φ18	7*Φ16	2	22.0
MDDHD64-165	165	8*Φ18	8*Φ16	2	26.0
MDDHD64-171	171	8*Φ18	8*Φ16	2	27.0
MDDHD64-190	190	9*Φ18	9*Φ16	3	28.5
MDDHD64-203	203	9*Φ18	11*Φ16	3	29.5
8 inch high air pressure DTH bits
MDDHD84-203	203	10*Φ18	10*Φ16	2	40.0
MDDHD84-216	216	10*Φ18	12*Φ16	2	49.0
MDDHD84-241	241	12*Φ18	18*Φ16	2	64.0
MDDHD84-254	254	12*Φ18	21*Φ16	3	71.0
MDDHD84-305	305	12*Φ18	29*Φ16	4	95.0
10 inch high air pressure DTH bits
MDDHD10-254	254	12*Φ18	20*Φ16	3	108.0
MDDHD10-305	305	12*Φ18	36*Φ16	4	125.0
MDDHD10-311	311	12*Φ18	36*Φ16	4	130.0
MDDHD10-318	318	12*Φ18	38*Φ16	4	142.0
MDDHD10-330	330	16*Φ18	42*Φ16	4	155.0
12 inch high air pressure DTH bits
MDHD1120-305	305	12*Φ18	36*Φ16	4	152.0
MDHD1120-311	311	12*Φ18	36*Φ16	4	157.0
MDHD1120-330	330	16*Φ18	42*Φ16	4	165.0
MDHD1120-356	356	16*Φ19	48*Φ16	4	178.0
MDHD1120-381	381	16*Φ19	48*Φ18	4	198.0
Big size bits using in Waterwells, Oil, Gas and Construction Drilling.
MDHD275-311	311	15*Φ18	36*Φ16	3	205.0
MDHD275-334	334	18*Φ19	44*Φ18	3	216.0
MDHD275-356	356	18*Φ19	48*Φ18	3	225.0
MDHD275-368	368	20*Φ19	50*Φ18	4	230.0
MDHD275-381	381	20*Φ19	54*Φ19	4	236.0
MDHD330-381	381	20*Φ19	54*Φ18	4	297.0
MDHD330-406	406	20*Φ19	58*Φ18	4	311.0
MDHD330-431	431	20*Φ19	64*Φ18	4	324.0
MDHD330-445	445	24*Φ20	72*Φ18	4	334.0
MDHD330-470	470	24*Φ20	80*Φ18	4	347.0
MDHD475-495	495	24*Φ20	88*Φ18	4	710.0
MDHD475-525	525	24*Φ20	100*Φ18	4	760.0
MDHD475-580	580	24*Φ20	116*Φ18	4	855.0
MDHD475-660	660	28*Φ20	140*Φ19	4	950.0
MDHD475-680	680	28*Φ20	144*Φ19	4	968.0
MDHD525-711	711	28*Φ20	154*Φ19	4	1455.0
MDHD525-762	762	32*Φ20	172*Φ19	4	1539.0
MDHD525-780	780	32*Φ20	180*Φ19	4	1564.0
MDHD525-825	825	36*Φ20	216*Φ19	4	1625.0
MDHD525-998	998	40*Φ20	348*Φ19	4	1980.0

How to choose the suitable head face of the DTH drill bit?

1.  Concave:

Suitable for all kinds of formation, especially for deep well drilling, perpendicularity of the hole is wonderful.

1.  Convex: 

Suitable for the formation of moderate hardness stratum, drilling efficiency is good, borehole perpendicularity is moderate.

1.  Flat:        

Suitable for special hard formation stratum, especially for fracture, crack spacing and complex formation drilling effect is very good, has the good perpendicularity of the borehole.

 

Product Application

It is suitable for drilling water wells, geothermal wells, short mircopiles,medium mini-type grouting hole of building, diamond harbour project.

Company Profile

Wuhan Kingdrilling Diamond CO., LTD, one of the most professional private manufacturer specialized in researching and producing Overburden casing drilling system, DTH hammer, DTH drill bits, Core bits, Thread bits, Taper bits, Shank adapter, Drilling rods, Coal mining picks and related rock drilling tools.

Relying on the university resources and talent advantages in High-tech region, combining with multiple laboratories in universities, we have more power focused on developing the newest products system.

Our DTH drilling tools are produced with advanced technology from Britain. The company is equipped with advanced production facilities including electron-hydraulic forging hammer, multipurpose furnace heat treatment production line, high performance CNC machines, from raw materials prepared, forging, heat treatment, mechanical processing, a completed manufacturing system is finished in the factory. Strict quality control standards make sure stable quality. 

Whatever in construction, engineering, piling, water well drilling, tunneling, mining, quarrying or horizontal drilling industry, KINGDRILLING will do the best to satisfy your demands. "Kingdrilling, Keep On Striving", we'll always be in this line to serve our customers the most reliable products and the best support.

Our Advantages

1. High quality steels materials.
2. Kingdrilling DTH tools are forged by advanced electron-hydraulic forging hammer.
3. Advanced heat-treatment equipment: multipurpose furnace heat treatment.
4. Completed moulding (tooling ) departments with many molds available.
5. Professional R&D team,completed quality system.
6. Strict Quality-Check Systems.

After Sales Service

1.Pre-sale service:

Act as a good adviser and assistant of clients enable them to get rich and generous returns on their investments .
1.Select equipment model;
2.Design and manufacture products according to client's special requirement ;
3.Train technical personnel for clients .

2.Services during the sale:

1.Pre-check and accept products ahead of delivery .
2. Help clients to draft solving plans .

3.After-sale services:

Provide considerate services to minimize clients' worries.
1.Complete After-sales service,professional engineers available to service machinery at home or oversea.
2. 24 hours technical support by e-mail.

Packaging & Shipping

Packed by Carton or Wooden cases.
Delivery:

1. Goods in stock can be delivered within 5 days.
2. DTH Bits production time is about 15 days.
3. DTH Hammer product time is about 30 days.

Transprotation: By air, By Express or By sea / By train , according to your requests.

FAQ

1. How to order the products?

A: Please send the inquiry with detail item description or with Model number.
 

2. Can I expect a quality products?

A: Yes. mature production technology ensuring the quality satisfy international request.

 

3. Fast delivery time:

A: Usually it takes 25 days for production.only 3 or 5 days if we have stock of your request size.

 

4. Shipping way:

A: Sample order: we suggest Courier express delivery such as DHL/UPS/TNT/FEDEX or by air

Bulk order: by air or by sea we suggest.

 

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