What is the warranty period for these drill bits?

We provide a warranty for our products. Please contact us for specific warranty terms.

Can the color of the drill bits be customized?

Yes, the color is customizable according to your requirements.

What materials are used to manufacture these DTH bits?

They are made from high-quality carburized steel and selected special steels with carbide for durability.

Which shank types are compatible with these bits?

They are interchangeable with CIR, Bulroc, Mission, DHD, SD, QL, and other series shanks.

What is the average lead time for orders?

The average lead time is within 15 workdays for both peak and off-season periods.

What payment terms do you accept?

We accept LC, T/T, and Western Union as terms of payment.

Are these drill bits suitable for urban drilling?

Yes, DTH drilling produces less noise and vibration, making it ideal for cities and populated areas.

What certifications do your products hold?

Our products are certified under ISO 9001:2008 and meet ASTM standards.

Drill Bits Supplier Bits for High Pressure DTH Hammers

Changsha Sollroc Engineering Equipments Co., Ltd.

12 yrs

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Product Highlights

Customizable Color: Color is customizable to meet your specific requirements.
High Performance Alloy: Carburized steel and carbide material ensures long service life and high penetration rates.
Low Noise & Vibration: DTH method produces less noise and vibration, suitable for cities and populated areas.
Wide Shank Compatibility: Interchangeable with CIR, Bulroc, Mission, DHD, SD, QL, and other series shanks.
ISO 9001 Certified: Manufacturing process adheres to ISO 9001:2008 and ASTM standards with strict quality control.
Multiple Face Designs: Available in Drop Center, Concave, Flat, Double Gauge, and Convex faces for various rock types.
Efficient CNC Manufacturing: Produced by CNC machines with simple design, low problem rate, and low air consumption.
Fast Delivery: Average lead time within 15 workdays for both peak and off-season periods.

Product Attributes

Customization: Available
After-sales Service: Yes
Warranty: Yes
Model NO.: 219mm bit
Certification: ISO 9001:2008
Standard: ASTM
Surface Treatment: Spray-Paint
Manufacturing Process: Forging
Material: Carburized Steel
Color: You Wanted
Application: Water Well Drilling or Mining
Air Pressure: High Air Pressure
Advatage: High Performance and Long Service Life
Transport Package: Plywood Box
Specification: 8'' -280mm DTH Bits
Trademark: SOLLROC
Origin: Made in China
HS Code: 82071300
Production Capacity: 10000/Month

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Drill Bits Supplier Bits for High Pressure DTH Hammers
Drill Bits Supplier Bits for High Pressure DTH Hammers
Drill Bits Supplier Bits for High Pressure DTH Hammers
Drill Bits Supplier Bits for High Pressure DTH Hammers
Drill Bits Supplier Bits for High Pressure DTH Hammers
Drill Bits Supplier Bits for High Pressure DTH Hammers

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Drill Bits Supplier Bits for High Pressure DTH Hammers
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Drill Bits Supplier Bits for High Pressure DTH Hammers
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Product Description

DTH is a reliable method that drills stable holes with exceptional straightness. The method is also excellent both environmentally and socially because it produces far less noise and vibration than many other drilling methods, making it a widely useddrilling method in cities and other populated areas

Our variety of Down the Hole drill bits is manufactured using high quality materials to provide you with a fine balance between penetration capability and bit life. We offer a comprehensive range of standard and made to order drill bits on an extensive selection of shanks with a wide variety of head designs to suit every project.
Sollroc DTH bits are interchangeable with these famous bits with CIR, Bulroc, Mission, DHD, SD, QL, etc. series shank.

1. Long life of bit: alloy steel material has a long service life, which is higher than similar products.

2.Strict quality controlling

3.Selected high quality special steels and carbide

4.Produced by CNC machines

5.Simple and reasonable design, Low problem rate

6.Low air consumption, smooth drilling, Maximum impact power, High penetration rate

Bit diameter		Flushing holes No.*Button Dia. mm	No.*Button Dia. mm		Weight (kg)
mm	inch	Flushing holes No.*Button Dia. mm	Gauge Buttons	Front Buttons	Weight (kg)
200	7 7/8"	2*Ф30	10*Ф18	8Ф18+6Ф16	46
203	8''	2*Ф30	10*Ф18	8Ф18+6Ф16	47
216	8 1/2"	2*Ф30	10*Ф18	8Ф18+6Ф16	53
219	8 5/8"	2*Ф30	10*Ф18	8Ф18+6Ф16	54
222	8 3/4"	2*Ф30	10*Ф18	8Ф18+6Ф16	55
225	8 7/8"	2*Ф30	10*Ф18	8Ф18+6Ф16	56
229	9''	2*Ф30	10*Ф18	8Ф18+7Ф16	57
235	9 1/4''	2*Ф30	12*Ф18	20*Ф16	58
241	9 1/2''	2*Ф30	12*Ф18	20*Ф16	58
254	10''	2*Ф30	12*Ф19	8Ф18+18Ф16	61
270	10 5/8''	2*Ф30	12*Ф19	8Ф18+19Ф16	62
280	11''	3*Ф26	12*Ф19	9Ф18+21Ф16	67

Face shape selection

1. Drop Center Bit
For high penetration rates in soft to medium hard and fissured rock formations. Low to medium air pressures. Maximum hole deviation control.

2. Concave Face
The all-round application bit face specifically for medium hard and homogenerous rock formations. Good hole deviation control and good flushing capacity.

3. Flat Face Bit
This kind of face shape is suitable for hard to very hard and abrasive rock formations in applications with high air pressures. Good penetration rates an resistance to steel wash.

4. Double Gauge Face
This kind of face shape is suitable for fast penetration rates in medium to hard rock formations. Designed for high air pressures and good resistance to steel wash step gauge bit.

5. Convex Face
For high penetration rates in soft to medium-hard with low to medium air pressures. It is the most resistance to steel wash, and may reduce the load and wear on the gauge buttons, but poor hole deviation control.

We are able to manufacture, export and supply our clients excellent quality DTH Hammers like DTH Hammer Bits and RC Hammer. These hammers are meticulously manufactured with utmost perfection by utilizing superior quality raw materials and efficient machinery. Sturdy in construction, the provided hammers are specifically designed to suit high pressure drilling rigs. Also, the offered DTH Hammers can be purchased from us in distinct technical specifications at industry leading rates.

Delivery Time

Generally need 15-25 days

Transport Way

By air, By Sea or By Express

Drill Bits Supplier Bits for High Pressure DTH Hammers

About the Supplier

This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASR249470". Items marked "" are certified.

Changsha Sollroc Engineering Equipments Co., Ltd.

Company Profile

Sollroc, with more 20 years of experience, is one of the professional manufacturer and supplier of high performance rock drilling tools like: DTH hammers and bits, RC hammers and bits, DTH drill rods and top hammer drilling tools. Our tools are widely used in different drilling applications including mining, quarrying, water well drilling, geotechnical industries and etc.

Sollroc is specialized in designing, manufacturing and developing equipments and accessories for standard models as well as the special needs of clients and provides them with the best suggestions and solutions. We practice strict and stringent quality control during manufacturing and adhered to recognized and approved quality control systems. Each of our products follows the quality requirements and procedures to ensure finished products are durable and superior up to standard.

We are dedicated to offering our customers only premium quality products and services to enable them to achieve the highest possible productivity for their business and projects. If you are looking for the best, fastest and most productive drilling tools in the world, Sollroc should be your best choice and preference.

About Our Factory & Business Background

Address: No. 55, Jiucaiyuan Furong District, Changsha, Hunan, China
Terms of Payment: LC, T/T, Western Union
International Commercial Terms(Incoterms): FOB, CFR, CIF, FCA, EXW
Average Lead Time: Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays
Nearest Port: Shanghai,Guangzhou, Shenzhen

Our Production Capability & Technical Expertise

Main Products: DTH Bit, DTH Hammer, Button Bit, Rock Drilling Tools, Drill Rod, Reverse Circulation(RC) Hammer, Reverse Circulation(RC) Bit, Odex System, Symmetrix System, Diamond Core Bit

Our Industry Experience & Global Business Record

Export Year: 2005-05-18
Main Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

FAQ

What is the warranty period for these drill bits?: We provide a warranty for our products. Please contact us for specific warranty terms.
Can the color of the drill bits be customized?: Yes, the color is customizable according to your requirements.
What materials are used to manufacture these DTH bits?: They are made from high-quality carburized steel and selected special steels with carbide for durability.
Which shank types are compatible with these bits?: They are interchangeable with CIR, Bulroc, Mission, DHD, SD, QL, and other series shanks.
What is the average lead time for orders?: The average lead time is within 15 workdays for both peak and off-season periods.
What payment terms do you accept?: We accept LC, T/T, and Western Union as terms of payment.
Are these drill bits suitable for urban drilling?: Yes, DTH drilling produces less noise and vibration, making it ideal for cities and populated areas.
What certifications do your products hold?: Our products are certified under ISO 9001:2008 and meet ASTM standards.