DTH Bits for Ring Bit Drilling - DHD, SD, Mission, Ql, Mach, Br, Numa

• Customized: Customized
• Standard: ISO9001:2015
• Length: 60mm
• Type: Drilling Machine
• Material: Alloy Steel
• Usage: Well Drilling
• Model NO.: DHD, Cop, SD, Mission, QL, Mach, Br, Numa
• Mining Object: Petroleum Drilling and Production Equipment
• Bit Face: Spherical,Concave,Flat
• Application: Water Well,Mining Drilling
• Painting: Yellow, Blue, as Customer Needed
• Marketing Type: Hot Products 2023
• Transport Package: Wooden Case or Carton
• Specification: DHD350, MISSION50, SD5, QL50
• Trademark: Teamwhole
• Origin: Hunan, China
• HS Code: 820719
• Production Capacity: 8000PCS a Month

Product Description

 General Introduction

Product Description

Changsha Tianhe Drilling Tools and Machinery Co., Ltd.

Product Description

• Features:




• Reliable quality and long service life, with rare abnormal breakage during service life.


• Good flushing effect ensures high drilling rate.


• Strict quality warranty and compensation rules.


• Reasonable designs.


• High penetration.




• Bit Face Shape Selection:




• Drop Center Bit: Designed for high penetration rates in soft to medium hard and fissured rock formations. Suitable for low to medium air pressures and provides maximum hole deviation control.


• Concave Face: All-around application bit face specifically designed for medium hard and homogeneous rock formations. Offers good hole deviation control and flushing capacity.


• Convex Face: Ideal for high penetration rates in soft to medium-hard rock formations with low to medium air pressures. Provides resistance to steel wash and reduces load and wear on the gauge buttons. However, it has poor hole deviation control.


• Flat Face: Suitable for hard to very hard and abrasive rock formations, especially in applications with high air pressures. Offers good penetration rates and resistance to steel wash.

 

 Raw Material

Product Description

Steel and Carbide

Changsha Tianhe Drilling Tools and Machinery Co., Ltd. presents a range of high-quality steel and carbide products that are designed to meet the needs of various industries.

Steel

Our first-class special alloy steel is known for its exceptional strength, heat resistance, and durability. It is specifically engineered to withstand the toughest conditions, making it the ideal choice for demanding applications.

Carbide

When it comes to tungsten carbides, our products are second to none. We offer the best tungsten carbides from China, which are widely recognized for their superior quality and performance. Additionally, we also provide tungsten carbide options from Europe, ensuring a comprehensive selection for our customers.

Whether you need steel or carbide products, Changsha Tianhe Drilling Tools and Machinery Co., Ltd. has you covered. Trust in our expertise and experience to deliver the highest quality materials that meet your specific requirements.

 

Model	Bit diameter mm(inch)	Weight
TH79(3.5inch)	90mm-100mm(3 1/2-3 7 /8)	4-4.5
DHD3.5	90mm-105mm(3 1/2-4 1/8)	4.5-5.5
BR33	90mm-100mm(3 1/2-3 7 /8)	4-4.5
DHD340	105mm-138mm(4 1/10-5 2/5)	8-12
QL40	110mm-133mm(4 3/8-5 1/4)	10-12
DHD350	135mm-165mm(5 3/10-6 1/2)	15.2-18
MISSION50	138mm-165mm(5 2/5-6)	16-18
QL50	138mm-152mm(5 2/5-6)	16-18
SD5	138mm-152mm(5 2/5-6)	16-18
MAHC50TS398(20inch)	138mm-152mm(5 2/5-6)	16-18
DHD360	152mm-203mm(6-8)	24-33
MISSION60	152mm-203mm(6-8)	21-30
SD6	152mm-254mm(6-10)	24-50
QL60(COP64G)	152mm-203mm(6-8)	24-33
XL60	152mm-190mm(6-7 1/2)	22-27
DHD380	200mm-305mm(7 7/8-12)	47-82
SD8	200mm-305mm(7 7/8-12)	47-82
QL80	200mm-305mm(7 7/8-12)	48-84
TH220	240mm-350mm(9 2/5-13 7/10)	75-125
NUMA100	240mm-350mm(9 2/5-13 7/10)	75-125
SD10	240mm-350mm(9 2/5-13 7/10)	75-125
DHD112	310mm-444.5mm(12 1/5-17 1/2)	140-252
SD12	310mm-444.5mm(12 1/5-17 1/2)	142-254
NUMA120	310mm-444.5mm(12 1/5-17 1/2)	140-252
TH398(20inch)	500mm-550mm(19 3/5-21 3/5)	480-510
TH600(32inch)	800mm-1000mm(31 2/5-39 3/10)	680-984

 

 Package