8inch DTH Bit Mission80 Alloy Steel Forging Process for Underground Construction Video from China

DTH Drill Bits

Apr 17, 2026

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Product Description: We are capable to design and manufacture according to customer's requirement on the Bit DiaNo., Air holes, carbide button shape and the bit face shape. High air pressure and low air pressure. ...learn more

8inch DTH Bit Mission80 Alloy Steel Forging Process for Underground Construction

8inch DTH Bit Mission80 Alloy Steel Forging Process for Underground Construction

50, 000PCS / Year

Forging

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Changsha Chaojingang Machinery Manufacturing Co., Ltd.

Active Member

2 Years

3 Inch to 5.5 Inch DTH Button Drill Bits for Mining Machine DHD Mission Numa SD Shank ISO 9001 2000 Certified

3 Inch to 5.5 Inch DTH Button Drill Bits for Mining Machine DHD Mission Numa SD Shank ISO 9001 2000 Certified

3 Inch to 5.5 Inch DTH Button Drill Bits for Mining Machine DHD Mission Numa SD Shank ISO 9001 2000 Certified

130-156 mm DTH Hammer Button Bits Forging Manufacturing Process for Down The Hole Drilling

130-156 mm DTH Hammer Button Bits Forging Manufacturing Process for Down The Hole Drilling

130-156 mm DTH Hammer Button Bits Forging Manufacturing Process for Down The Hole Drilling

DHD 340 Mining DTH Hammer Bit Rock Borehole High Air Pressure with Certification ISO 9001 2008 Alloy Steel

DHD 340 Mining DTH Hammer Bit Rock Borehole High Air Pressure with Certification ISO 9001 2008 Alloy Steel

DHD 340 Mining DTH Hammer Bit Rock Borehole High Air Pressure with Certification ISO 9001 2008 Alloy Steel

Customizable DTH Hammer Bit with High Penetration Rate for Mining and Construction 105mm to 130mm Diameter

Customizable DTH Hammer Bit with High Penetration Rate for Mining and Construction 105mm to 130mm Diameter

Customizable DTH Hammer Bit with High Penetration Rate for Mining and Construction 105mm to 130mm Diameter

Effortless Rock Drilling with Cop Rod127 Long Shank DTH Bit The Best Choice

Effortless Rock Drilling with Cop Rod127 Long Shank DTH Bit The Best Choice

Effortless Rock Drilling with Cop Rod127 Long Shank DTH Bit The Best Choice

Precision Forged 127mm DTH Drill Bits for Efficient Mining Operations with High Durability

Precision Forged 127mm DTH Drill Bits for Efficient Mining Operations with High Durability

Precision Forged 127mm DTH Drill Bits for Efficient Mining Operations with High Durability

Replace a batch

Customizable DTH Low/High Air/Pressure 3"4"5"6"8" DHD/Ql/Cop/Misson/SD DTH

Customizable DTH Low/High Air/Pressure 3"4"5"6"8" DHD/Ql/Cop/Misson/SD DTH

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110mm DHD340A Flat Face Bit Bit Fundo De Furo 4" for Oil and Gas Industry

110mm DHD340A Flat Face Bit Bit Fundo De Furo 4" for Oil and Gas Industry

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Spray-Paint DTH Drill Bit DHD350 for Down The Hole Hammer Manufacturing Process

Spray-Paint DTH Drill Bit DHD350 for Down The Hole Hammer Manufacturing Process

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Forged Manufacturing Process 3-5.5 Inch Qualified High Air Pressure DTH Hammer

Forged Manufacturing Process 3-5.5 Inch Qualified High Air Pressure DTH Hammer

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125mm Mission40 Flat Face Bit for Bit Fundo De Furo 4 High Durability Design

125mm Mission40 Flat Face Bit for Bit Fundo De Furo 4 High Durability Design

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