Shijiazhuang Zhengzuan Machinery Equipment Co., Ltd.

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DTH Hammer

DTH Hammer, also known as Down-The-Hole Hammer, is a high-efficiency rock drilling tool widely used in mining, quarrying, water well drilling, geothermal drilling, anchoring, and foundation engineering. The hammer delivers direct impact energy to the drill bit at the bottom of the hole, providing fast penetration speed, stable drilling performance, and excellent hole straightness, especially in hard rock formations.

Product Details

DTH Hammer, also known as Down-The-Hole Hammer, is a high-efficiency rock drilling tool widely used in mining, quarrying, water well drilling, geothermal drilling, anchoring, and foundation engineering. The hammer delivers direct impact energy to the drill bit at the bottom of the hole, providing fast penetration speed, stable drilling performance, and excellent hole straightness, especially in hard rock formations.

Ours DTH hammer is manufactured with high-strength alloy steel and advanced heat-treatment technology to improve wear resistance, impact resistance, and service life. Optimized internal air distribution structure helps reduce energy loss and improve drilling efficiency. It is suitable for various geological conditions including granite, basalt, limestone, and fractured rock formations.

DTH hammers are normally used together with air compressors, DTH drill bits, drill pipes, and drilling rigs. Different hammer sizes and air pressure systems can be selected according to drilling depth, hole diameter, and working conditions.


ParameterSpecificationParameterSpecification
Part NameDTH HammerMaterialCemented Carbide
Applicable IndustryMiningCasting or ForgingForging
Machinery Test ReportAvailableMachinery TypeRock Drilling Machinery Parts
Warranty1 YearVideo Outgoing InspectionAvailable
Weight (KG)10Place of OriginHebei, China
Brand NameZDrillProduct NameDTH Hammer
ApplicationOre MiningPacking MaterialWooden Box
Connection Thread3 1/2" API REG ThreadMOQ1 Set
Thread Type2 7/8" APIDelivery Time15 Days
PackagingWooden BoxLength1110 mm

Drill Bit


Inch SizeAvailable Bit SizesInch SizeAvailable Bit Sizes
2 Inch76 mm / 80 mm / 82 mm / 90 mm3 Inch90 mm / 92 mm / 95 mm / 100 mm / 105 mm / 110 mm
4 Inch105 mm / 110 mm / 115 mm / 120 mm / 125 mm / 130 mm6 Inch152 mm / 156 mm / 160 mm / 165 mm / 165 mm / 171 mm / 185 mm / 190 mm / 203 mm
8 Inch200 mm / 203 mm / 216 mm / 219 mm / 222 mm / 225 mm / 229 mm / 235 mm / 241 mm10 Inch254 mm / 280 mm / 292 mm / 305 mm / 311 mm / 315 mm / 325 mm
12 Inch305 mm / 311 mm / 330 mm / 350 mm / 356 mm / 381 mm15 Inch530 mm / 600 mm / 660 mm