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Professional Rotary Drilling Tool Manufacturer and OEM Supplier
Professional Rotary Drilling Tool Manufacturer and OEM Supplier
HM Machinery is a professional manufacturer of rotary drilling rigs,piling tools and drilling accessories, providing customized drilling equipment and spare parts for foundation construction.specializing in the production of rotary kelly bars, drilling buckets & augers, drill bits, casings, tremiepipes, desanders, casing rotators, pile breakers . With over ten years of on-site construction experience, we design and manufacture drilling tools according to actual geological conditions (including soft soil, clay, sand, gravel, and hard rock), helping customers improve drilling efficiency and tool life.Our manufacturing plant can provide customized and OEM solutions based on different project requirements and rotary drilling rig models. Our products are compatible with major brands such as Bauer, Soilmec, Liebherr, SANY, XCMG, FUWA, and ZOOMLION.Our rotary drilling tools are widely used in foundation, bridge, and underground engineering projects and are exported to countries and regions such as Australia, Canada, Brazil, the Middle East, and Russia. As an OEM manufacturer, we focus on reliable quality, practical solutions, and long-term cooperation.
HM Machinery is a professional manufacturer of rotary drilling rigs,piling tools and drilling accessories, providing customized drilling equipment and spare parts for foundation construction.specializing in the production of rotary kelly bars, drilling buckets & augers, drill bits, casings, tremiepipes, desanders, casing rotators, pile breakers . With over ten years of on-site construction experience, we design and manufacture drilling tools according to actual geological conditions (including soft soil, clay, sand, gravel, and hard rock), helping customers improve drilling efficiency and tool life.Our manufacturing plant can provide customized and OEM solutions based on different project requirements and rotary drilling rig models. Our products are compatible with major brands such as Bauer, Soilmec, Liebherr, SANY, XCMG, FUWA, and ZOOMLION.Our rotary drilling tools are widely used in foundation, bridge, and underground engineering projects and are exported to countries and regions such as Australia, Canada, Brazil, the Middle East, and Russia. As an OEM manufacturer, we focus on reliable quality, practical solutions, and long-term cooperation.
Customized Rotary Drilling Rigs
Customized Rotary Drilling Rigs
Rotary drilling rigs are widely used worldwide, and end users today have increasingly professional maintenance and operation capabilities. Most spare parts for rotary drilling rigs are common and standardized in the market, allowing users to solve routine issues without relying on original equipment manufacturers.With over 10 years of experience serving our mother company — a professional foundation construction company — and supported by an engineering team from original rig manufacturers, HM Machinery
Rotary drilling rigs are widely used worldwide, and end users today have increasingly professional maintenance and operation capabilities. Most spare parts for rotary drilling rigs are common and standardized in the market, allowing users to solve routine issues without relying on original equipment manufacturers.With over 10 years of experience serving our mother company — a professional foundation construction company — and supported by an engineering team from original rig manufacturers, HM Machinery
provides customized rotary drilling rig solutions to help customers reduce equipment costs while maintaining reliable performance.HM customized rotary drilling rigs can be equipped with KDK gearboxes with torque up to 400 kN·m, suitable for a maximum drilling diameter of 2500 mm and drilling depths exceeding 100 meters.Main models include:HMR30, HMR60, HMR150, HMR200, HMR220, HMR260, HMR280, HMR360 and HMR380.
provides customized rotary drilling rig solutions to help customers reduce equipment costs while maintaining reliable performance.HM customized rotary drilling rigs can be equipped with KDK gearboxes with torque up to 400 kN·m, suitable for a maximum drilling diameter of 2500 mm and drilling depths exceeding 100 meters.Main models include:HMR30, HMR60, HMR150, HMR200, HMR220, HMR260, HMR280, HMR360 and HMR380.
Kelly Bars for Rotary Drilling Rigs
Kelly Bars for Rotary Drilling Rigs
With over 10 years of experience in rotary drilling rig manufacturing,HM Machinery is a professional manufacturer and international supplier of Kelly bars for foundation and piling construction.We manufacture standard Kelly bars, interlocking Kelly bars and friction Kelly bars, compatible with major rotary drilling rig brands including BAUER, SANY, XCMG, ZOOMLION, SOILMEC, MAIT and IMT.Our Kelly bars are available with 2 to 5 telescopic sections, supporting drilling depths from 15 to 150 meters and torque ranges from 120 to 480 kN·m.Manufactured from high-strength, wear-resistant steel and processed with precision machining, our Kelly bars ensure stable torque and drilling pressure transmission for efficient and reliable construction.Interlocking Kelly bars are designed for hard rock formations and high-pressure working conditions, delivering powerful locking output.Friction Kelly bars are suitable for deep-hole operations in medium-hard formations, offering smooth operation and higher drilling efficiency.We support non-standard customization, OEM production, bulk orders and global delivery, providing customers with durable and reliable corecomponents for piling operations.
With over 10 years of experience in rotary drilling rig manufacturing,HM Machinery is a professional manufacturer and international supplier of Kelly bars for foundation and piling construction.We manufacture standard Kelly bars, interlocking Kelly bars and friction Kelly bars, compatible with major rotary drilling rig brands including BAUER, SANY, XCMG, ZOOMLION, SOILMEC, MAIT and IMT.Our Kelly bars are available with 2 to 5 telescopic sections, supporting drilling depths from 15 to 150 meters and torque ranges from 120 to 480 kN·m.Manufactured from high-strength, wear-resistant steel and processed with precision machining, our Kelly bars ensure stable torque and drilling pressure transmission for efficient and reliable construction.Interlocking Kelly bars are designed for hard rock formations and high-pressure working conditions, delivering powerful locking output.Friction Kelly bars are suitable for deep-hole operations in medium-hard formations, offering smooth operation and higher drilling efficiency.We support non-standard customization, OEM production, bulk orders and global delivery, providing customers with durable and reliable corecomponents for piling operations.
Sand Dredging Drilling Bucket
Sand Dredging Drilling Bucket
Sand dredging drilling buckets are specially designed for drilling various soil formations below groundwater level, including sand,silty sand and soft soil.For different ground conditions, the buckets can be equipped with various types of cutting teeth. Swivel bottom gates are available to ensure efficient soil discharge, operated by either an automatic or manual tipping mechanism.A ventilation pipe is integrated into the bucket structure to prevent vacuum formation during lifting, ensuring smooth and safe operation.For large drilling diameters or uncased boreholes, sand dredging buckets with a double-start head are recommended to improve drilling stability and efficiency.Standard bucket diameters are available, while non-standard lengths and diameters can be customized upon request.
Sand dredging drilling buckets are specially designed for drilling various soil formations below groundwater level, including sand,silty sand and soft soil.For different ground conditions, the buckets can be equipped with various types of cutting teeth. Swivel bottom gates are available to ensure efficient soil discharge, operated by either an automatic or manual tipping mechanism.A ventilation pipe is integrated into the bucket structure to prevent vacuum formation during lifting, ensuring smooth and safe operation.For large drilling diameters or uncased boreholes, sand dredging buckets with a double-start head are recommended to improve drilling stability and efficiency.Standard bucket diameters are available, while non-standard lengths and diameters can be customized upon request.
Spiral Drill Bit (Auger)
Spiral Drill Bit (Auger)
HM augers are designed for efficient drilling in dry soil, clay,sand and rock formations.Different tooth configurations are available to match various ground conditions. The optimized tooth arrangement and auger geometry ensure excellent cutting performance, fast penetration rate and stable drilling operation.For large drilling diameters or uncased boreholes, augers with double-start heads are recommended to improve drilling stability and soil discharge efficiency.HM augers are supplied in standard diameter series. Non-standard lengths and diameters can be customized according to customer requirements.
HM augers are designed for efficient drilling in dry soil, clay,sand and rock formations.Different tooth configurations are available to match various ground conditions. The optimized tooth arrangement and auger geometry ensure excellent cutting performance, fast penetration rate and stable drilling operation.For large drilling diameters or uncased boreholes, augers with double-start heads are recommended to improve drilling stability and soil discharge efficiency.HM augers are supplied in standard diameter series. Non-standard lengths and diameters can be customized according to customer requirements.
Core Barrel for Rock &
Concrete
Core barrels are used for drilling in hard rock, concrete andeinforced concrete formations by cutting an annular ring.During drilling, the center core is usually broken by a chisel,rock auger or cross cutter. The main advantage of the core barrel is that the crowd force and torque of the rotary drilling rig are concentrated on a narrow ring of cutting teeth, allowing efficient rock breaking and stable drilling performance.HM core barrels are manufactured in standard diameter series.Non-standard lengths and diameters can be customized according tocustomer requirements.
Casing System for Rotary Drilling
Casing System for Rotary Drilling
The casing system includes double-wall drilling casing, single-wall drilling casing, casing fittings, casing shoes and drive adapters.Heavy-duty casing is required for applications involving high-torque rotary drives or vibrators. HM offers two types of casing systems: double-wall casing and single-wall casing.Double-wall casing is designed to transmit high rotational torque and vertical crowd forces generated by the rotary drilling rig or vibrator. It provides excellent structural strength and ensures smooth, stable casing installation.Single-wall casing is suitable for applications with strict weight requirements, offering reliable performance with reduced overall casing weight.HM casing systems are compatible with major rotary drilling rig brands and can be customized according to project requirements.
The casing system includes double-wall drilling casing, single-wall drilling casing, casing fittings, casing shoes and drive adapters.Heavy-duty casing is required for applications involving high-torque rotary drives or vibrators. HM offers two types of casing systems: double-wall casing and single-wall casing.Double-wall casing is designed to transmit high rotational torque and vertical crowd forces generated by the rotary drilling rig or vibrator. It provides excellent structural strength and ensures smooth, stable casing installation.Single-wall casing is suitable for applications with strict weight requirements, offering reliable performance with reduced overall casing weight.HM casing systems are compatible with major rotary drilling rig brands and can be customized according to project requirements.
Tremie Pipe for Bored Piles
Tremie Pipe for Bored Piles
Tremie pipes are used during concrete pouring after the
Tremie pipes are used during concrete pouring after the
reinforcement cage has been installed in bored piles. They
reinforcement cage has been installed in bored piles. They
ensure continuous concrete placement and prevent segregation,voids or cracking in the concrete pile.HM tremie pipes are manufactured from high-quality drawn steel plates, providing excellent strength and durability for repeated use on site.The pipe sections can be connected in two ways:threaded connections or wire rope connections.Threaded tremie pipes are equipped with male and female threaded couplings. O-rings are installed between the couplings to prevent the ingress of water and slurry during concreting.The wire rope connection system allows quick assembly and disassembly of pipe sections, improving efficiency during concrete pouring operations.
ensure continuous concrete placement and prevent segregation,voids or cracking in the concrete pile.HM tremie pipes are manufactured from high-quality drawn steel plates, providing excellent strength and durability for repeated use on site.The pipe sections can be connected in two ways:threaded connections or wire rope connections.Threaded tremie pipes are equipped with male and female threaded couplings. O-rings are installed between the couplings to prevent the ingress of water and slurry during concreting.The wire rope connection system allows quick assembly and disassembly of pipe sections, improving efficiency during concrete pouring operations.
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