Yanggu Henglong Construction Machinery Co., Ltd.
Products
Manufacturer of a wide range of products which include 51mm Diameter R32 Threaded Cross Bit For Hard Rock Drilling,R25 Threaded Cross Drill Bit 50mm Diameter 42CrMo Alloy Steel For Rock Drilling,HLDRILL Coal Mine Twist Drill Rod C...
MOQ: 10PCS
Price: Please contact us
| Payment Terms | T/T |
| Delivery Time | 7-15Days |
| Supply Ability | 3000 per month |
| Packaging Details | Wooden Boxes , Cardboard Boxes |
| Product Name | 51mm Diameter R32 Threaded Cross Rock Drill Bit |
| Diameter | 51mm, R32 threaded connection |
| Product Type | Threaded cross-type drill bit |
| Tilt Structure | Cross-cutting structure |
| Tilt Material | High-quality cemented carbide |
| Application Scenarios | Hard rock drilling, mining, tunneling, engineering drilling |
| Performance Characteristics | High strength, impact resistance, high wear resistance |
| Product Advantages | High rock breaking efficiency, long service life, strong adaptability |
| Brand Name | HLDRILL |
| Model Number | 1221-51R32-16/10-42-23 |
| Place of Origin | CHINA |
| Certification | ISO9001 |
MOQ: 10PCS
Price: Detailed Discussion
| Payment Terms | T/T |
| Supply Ability | 5000 PCS Per Month |
| Delivery Time | 7-15 days |
| Packaging Details | Wooden Boxes, Cardboard Boxes |
| Product Name | R25 Threaded Cross Rock Drill Bit |
| Product Specifications | R25 Threaded Connection |
| Product Type | Threaded Cross Drill Bit |
| Tilt Structure | Cross Cutting Structure |
| Body Material | 42CrMo Alloy Steel |
| Tilt Material | High-Quality Carbide |
| Performance Characteristics | High Strength, Impact Resistance, Wear Resistance, Durability |
| Application Scenarios | Mining, Tunnels, Hard Rock Drilling |
| Brand Name | HLDRILL |
| Model Number | S1-50-R25-87 |
| Place of Origin | CHINA |
| Certification | ISO9001 |
MOQ: 10PCS
Price: Please contact us
| Payment Terms | T/T |
| Supply Ability | 3000 PCS Per month |
| Delivery Time | 7-15 days |
| Packaging Details | Wooden Box |
| Product name | Twist Drill Rod |
| Processing type | Forging,Casting,Heat Treatment |
| Material | Carbon Steel,Carbide,High Manganese Steel,S135,R780 |
| Length | Customized Services. Special Range Of Lengths Is Available. |
| Usage | Rock drilling,mining,Hole Drilling,coal mining and geological drilling,Underground mining and tunnel drilling |
| Use | Ore Mining,Well Drilling,Coal Mining,quarry,Rock Drilling/Water Well Mining |
| Color | Black ，blue , Or As Per Your Demands |
| Shank | h22*108mm and h25*159mm,H19*108mm,Hex22x108mm,H22*108,Hex25mmx159mm |
| Taper degree | 12,4,7,6,11 |
| Brand Name | HLDRILL |
| Place of Origin | CHINA |
| Certification | ISO9001 |
MOQ: 10 PCS
Price: Please contact us
| Payment Terms | T/T |
| Supply Ability | 2000 PCS Per month |
| Delivery Time | 15 Days |
| Packaging Details | Wooden Box |
| Product name | Drill Steel Rod |
| Processing type | Forging,Casting,Heat Treatment |
| Use | Ore Mining,Well Drilling,Coal Mining,quarry,Rock Drilling/Water Well Mining |
| Material | Carbon Steel,Carbide,High Manganese Steel,S135,R780 |
| Length | Customized services. Special range of lengths is available. |
| Application | Marble Quarry,diamond drilling,connected with rock drill and rock bit,Backhoe |
| Usage | Rock drilling,mining,Hole Drilling,coal mining and geological drilling,Underground mining and tunnel drilling |
| Advantage | competitive advantage products,high quality factory price,High Strength,Reliable Material And Long Service Life |
| Color | Black ，blue , or as per your demands |
| Name | H22 tapered drill rod,HQ Drill rod,water well drill rod |
| Shank | h22*108mm and h25*159mm,H19*108mm,Hex22x108mm,H22*108,Hex25mmx159mm |
| Taper degree | 12,4,7,6,11 |
| Weight | 5.5-110kg |
| Item name | hard rock Mining Integral drill steel,Integral drill rod,diameter 34mm length 1600mm integral drill rod |
| Brand Name | HLDRILL |
| Model Number | Hex 22 |
| Place of Origin | China |
| Certification | ISO9001 |
MOQ: 10PCS
Price: Please contact us
| Payment Terms | T/T |
| Supply Ability | 3000 per month |
| Delivery Time | 7-15 Days |
| Packaging Details | Wooden Boxes, Cardboard Boxes |
| Product Type | Integral Chisel Bit Drill Rods |
| Shank Type & Size | Hex19 / Hex22 / Hex25 shank, 108mm / 159mm shank length |
| Application | Mining, tunneling, quarrying, rock drilling |
| Bit Style | Chisel bit / Integral chisel bit |
| Shank Shape | Hexagonal shank ( Hex ) |
| Material | High - strength alloy steel |
| Processing | Integral forging , heat treated |
| Drilling Direction | Horizontal & vertical rock drilling |
| Matching Equipment | Rock drill , pneumatic hammer drill |
| Brand Name | HLDRILL |
| Certification | ISO 9001 Certified |
| Place of Origin | CHINA |
MOQ: 10PCS
Price: Please contact us
| Payment Terms | T/T |
| Supply Ability | 3000 PCS Per month |
| Delivery Time | 7-15 Days |
| Packaging Details | Wooden Boxes, Cardboard Boxes |
| Product Type | Chisel-Bit Integral Drill Rod ( Single-Piece Design ) |
| Material Composition | High-Quality Hollow Alloy Steel ( Similar to 42CrMo ) |
| Rod Body Profile | Solid Round Rod ( Circular Cross-Section ) |
| Bit Geometry | Forged Chisel Tip ( Single Tungsten Carbide Insert ) |
| Performance Features | Anti-Jamming Design & High Anti-Fatigue Strength |
| Product Grade | Premium |
| Drill Bit Type | Chisel Tip |
| Primary Applications | Granite Quarrying, Tunnel Excavation, & Secondary Blasting |
| Brand Name | HLDRILL |
| Certification | ISO 9001 Certified |
| Place of Origin | CHINA |
MOQ: 10PCS
Price: Please contact us
| Payment Terms | T/T |
| Supply Ability | 3000 per month |
| Delivery Time | 7-15 Days |
| Packaging Details | Wooden Boxes, Cardboard Boxes |
| Thread Type | R32 |
| Rod Shape | Round |
| Common Lengths | 610mm to 6400mm |
| Material | High-grade alloy steel (42CrMo,23CrNi3Mo,45CrNiMoVA) |
| Processing | Carburization or high-frequency induction hardening |
| Rod Diameter | Round 32mm Solid Body |
| Surface Hardness | 58 – 62 HRC High Wear Resistance |
| Compatible Drills | Atlas Copco, Sandvik & All Major Drifters |
| Applications | Mining, Tunneling, Foundation, Rock Drilling |
| Brand Name | HLDRILL |
| Certification | ISO 9001 Certified |
| Place of Origin | CHINA |
MOQ: 10PCS
Price: Please contact us
| Payment Terms | T/T |
| Supply Ability | 3000 PCS Per month |
| Delivery Time | 7-15 Days |
| Packaging Details | Wooden Boxes, Cardboard Boxes |
| Product Aliases | H35 Hexagonal Drill Rod |
| Main Material | 45CrNiMoVA |
| Processing | Integral Vacuum Quenching and Tempering + Surface Carburizing / Nitriding |
| Color | Black (Customizable) |
| Applicable Rock Strata | Medium-Hard Rock to Hard Rock |
| Thread Specifications | R32 at one end, T38 at the other |
| Pole Cross-section | H35 |
| Compatible Equipment | Hydraulic rock drilling jumbos, bolting jumbos, and medium-to-deep hole drilling rigs from brands such as Atlas, Sandvik, Furukawa, and others |
| Energy Transfer | Impact energy transfer efficiency ≥ 90% |
| Brand Name | HLDRILL |
| Certification | ISO 9001 Certified |
| Place of Origin | CHINA |
MOQ: 10PCS
Price: Please contact us
| Payment Terms | T/T |
| Supply Ability | 3000 per month |
| Delivery Time | 7-15 days |
| Packaging Details | Wooden box/Cardboard box |
| Application | Quarrying, mining, tunneling, small hole drilling, hand-held rock drills |
| Structure & Connection Type | Tapered drill rod / Chisel drill rod Connection: Taper connection Taper degree: 7°、11°、12°、18° With: Rubber collar / Rubber ring (dust proof, anti‑loosening) |
| Heat treatment | Overall hardening & tempering |
| Hardness | HRC 42–48 |
| Surface treatment | Black oxide / Phosphating / Anti‑rust coating |
| Material | High‑strength alloy steel |
| Features | High toughness, anti‑breaking, wear‑resistant |
| Dimensions (Common) Shank diameter | 19mm, 22mm, 25mm Hex size: 19mm, 22mm, 25mm Length: 300mm–3000mm Customized: Accept OEM & ODM |
| Key Features | With rubber collar to reduce dust, protect thread / taper |
| Brand Name | HLDRILL |
| Place of Origin | China |
| Certification | ISO9001 |
MOQ: 10PCS
Price: Please contact us
| Payment Terms | T/T |
| Supply Ability | 3000 per month |
| Delivery Time | 7-15 days |
| Packaging Details | Wooden Boxes, Cardboard Boxes |
| Applicable equipment | coal drill, handheld drill, rock bolt drill, water exploration drill |
| Applicable working conditions | coal mine tunneling, roadway support, geological exploration, soft rock/coal seam drilling |
| Type | Twist drill pipe / Aerial drill pipe |
| Structure | Helical blade type, hollow water-passing |
| Connection method | Square head connection / Threaded connection |
| Material | High-quality alloy structural steel |
| Process | integral rolling, strong welding, not easy to desolder |
| Diameter | Φ26, Φ28, Φ30, Φ38, Φ42, Φ50, Φ63.5 (mm) |
| Advantages | High-strength material, resistant to bending and torsion, highly durable |
| Brand Name | HLDRILL |
| Model Number | GB |
| Place of Origin | CHINA |
| Certification | ISO9001 |
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