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DTH Hammer and Button Bits

Basic Info

Model No.:  DTH

Product Description

Model NO.: DTH Application: Ore Mining Condition: New Brand Name: Zz Drilling Material: Carbide Use: Ore Mining Color: Blue/Yellow/Black/Green Trademark: ZZ Drilling Origin: China Type: DTH Mining Tools Certification: CE, ISO9001: 2000, CQC Place of Origin: Hunan, China (Mainland) Machine Type: Drilling Equipment Processing Type: Forging Model Number: Rock DTH Hammer Bits Delivery: Within 25-30 Days After Receiving Your Full Paymen Specification: diiferent
 High and medium air pressure DTH hammer and bits/DTH button bits and hammers

DTH hammer type
HD35 HD45 HD55
Length(less bit) 930mm 1030mm 1170mm.
Weight(less bit) 24.5kg 39.2kg 71.5kg
External diameter Φ81mm Φ99m Φ125m
Bit shank IR3.5"COP34 COP44/DHD340 COP54/DHD350R
Hole range(mm) Φ90-110 Φ110-135 Φ135-155
Connection thread API 2 3/8" Reg. API 2 3/8" Reg. API 2 3/8" Reg.
    API 3 1/2" Reg.
Working pressure 0.5-2.5Mpa 0.5-2.5Mpa 0.5-2.5Mpa
Impact rate at 17 Bar 28Hz 27Hz 25Hz
Recommended Rotation speed 28r/min 25-40r/min 20-30r/min
Air consumption 10bar 80L/s 100L/s 1450L/s
18bar 1600L/s 180L/s 280L/s
24bar 210L/s 250L/s 390L/s


DTH hammer type
HD55C HD65 HD85
Length(less bit) 1160mm 1248mm 1487mm
Weight(less bit) 70.00kg 98.00kg 188.00kg
External diameter Φ125mm Φ142m Φ180m
Bit shank HD55C DHD350Q COP64/DHD360 COP84/DHD380
Hole range(mm) Φ135-155 Φ155-190 Φ195-254
Connection thread API 2³/8" Reg. API 2³/8" Reg. API 41/2" Reg.
API 31/2" Reg.    
Working pressure 0.5-2.5Mpa 0.5-2.5Mpa 0.5-2.5Mpa
Impact rate at 17 Bar 25Hz 23Hz 20Hz
Recommended Rotation speed 20-30r/min 15-25r/min 15-20r/min
Air consumption 10bar 140L/s 175L/s 190L/s
18bar 280L/s 3400L/s 370L/s
24bar 390L/s 475L/s 495L/s

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Product Categories : Drilling Bits&Mining Bits