Model NO.: MDHM125-381
Trademark: MING
Origin: China
HS Code: 8207199000
2018 Top Quality DTH Hammer Bit 381mm, Rotary Hammer, DTH Hammer in Mining

KINGDRILLING hammer bits are used with Down-the-hole hammers for drilling holes through a wide range of rocks types. Our variety of Down the Hole (DTH) bits is manufactured using high quality materials to provide you with a fine balance between penetration capability and bit life.
 
3 Inch Hight Air Pressure DTH bits
Model Bit Dia.(mm) NO. X Button Dia. NO.Air Holes(PCS) Weight(KG)
Gauge Front
MDHM30-85 85 6*Φ13 4*Φ12 2 4.5
MDHM30-90 90 6*Φ14 4*Φ12 2 4.7
MDHM30-95 95 6*Φ14 4*Φ13 2 4.9
MDHM30-100 100 6*Φ14 5*Φ12 2 5.0
MDHM30-105 105 6*Φ14 5*Φ13 2 5.5
4 inch high air pressure DTH bits
MDHM4-105 105 6*Φ14 5*Φ13 2 6.0
MDHM4-110 110 7*Φ14 6*Φ13 2 6.2
MDHM4-115 115 7*Φ14 6*Φ13 2 6.6
MDHM4-120 120 8*Φ14 7*Φ13 2 7.0
MDHM4-127 127 8*Φ14 7*Φ13 2 7.4
5 inch high air pressure DTH bits
MDHM5-135 135 7*Φ18 6*Φ14 2 12.5
MDHM5-140 140 7*Φ18 7*Φ14 2 13.5
MDHM5-146 146 7*Φ18 7*Φ14 2 14.0
MDHM5-152 152 8*Φ18 8*Φ14 2 14.4
MDHM5-165 165 8*Φ18 8*Φ16 2 15.0
6 inch high air pressure DTH bits120
MDHM6-152 152 8*Φ18 7*Φ16 2 22.0
MDHM6-165 165 8*Φ18 8*Φ16 2 23.0
MDHM6-171 171 8*Φ18 8*Φ16 2 24.0
MDHM6-190 190 9*Φ18 9*Φ16 3 25.0
MDHM6-203 203 9*Φ18 11*Φ16 3 28.0
8 inch high air pressure DTH bits
MDQL80-305 305 12*Φ18 29*Φ16 4 95.0
MDHM8-203 203 10*Φ18 10*Φ16 2 35.0
MDHM8-216 216 10*Φ18 12*Φ16 2 40.0
MDHM8-241 241 12*Φ18 18*Φ16 2 54.0
MDHM8-254 254 12*Φ18 21*Φ16 3 57.0
MDHM8-305 305 12*Φ18 29*Φ16 4 77.0
10 inch high air pressure DTH bits
MDHM100-254 254 12*Φ18 20*Φ16 3 90.0
MDHM100-305 305 12*Φ18 36*Φ16 4 102.0
MDHM100-311 311 12*Φ18 36*Φ16 4 104.0
MDHM100-318 318 12*Φ18 38*Φ16 4 106.0
MDHM100-330 330 14*Φ18 42*Φ16 4 112.0
12 inch high air pressure DTH bits
MDHM120-305 305 12*Φ18 36*Φ16 4 152.0
MDHM120-311 311 12*Φ18 36*Φ16 4 158.0
MDHM120-330 330 16*Φ18 42*Φ16 4 165.0
MDHM120-356 356 16*Φ19 48*Φ16 4 178.0
MDHM120-381 381

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