| Sign In | Join Free | My chinacomputerparts.com | 
 | 
| Categories | Water Well Drilling Tools | 
|---|---|
| Brand Name: | JCDRILL | 
| Model Number: | 6'' | 
| Certification: | ISO,CE | 
| Place of Origin: | Hebei,China | 
| MOQ: | 5pcs | 
| Price: | Negotation | 
| Payment Terms: | T/T, L/C, D/P, Western Union, MoneyGram | 
| Supply Ability: | 20000pcs/Year | 
| Delivery Time: | In stock or as order quantity | 
| Packaging Details: | Standard export package | 
| Type: | Step Drag Bits | 
| Usage: | Oil Field, Natural Gas, Mining Drlling, Water Well | 
| Material: | Tungsten Carbide | 
| Application: | Mining Drlling, Water Well Drilling | 
| Tooth Type: | Insert Tooth | 
| Thread: | 3-1/2API REG | 
| Package: | Carton And Wooden Case | 
| Blades: | three wings | 
| PDC Cutter: | High Strength Flat PDC | 
| Processing Type: | Forging | 
| nspection: | SGS,BV | 
| Company Info. | 
| Beijing Jincheng Mining Technology Co., Ltd. | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Factory price upgraded 152mm 6'' inch 3 three wings step drag bit with 2 3/8'' API Reg pin thread
Application
Three wings step drag bit is mainly used for water wells, mining,
geothermal, environmental and exploration drilling. It is suitable
for drilling in soft and soft-medium formations with fast
penetration rate and high efficiency, and special for the large
diameter holes’ drilling.
Types: Ordinary type; Reinforced type; Super strength type.
Threads: Any female or male threads.
Characteristics
All sizes are generally 3 wings and standard design;
Any size of 4 wings or chevron type is upon customer’s request;
All sizes connection type are AROD,NROD or standard API thread;
Any special size and design is upon customer’s request.
Drag bits diameter:76mm to 445mm;
Step Drag Drill Bits thread sizes: :2 3/8” API Reg, 3 1/2” API Reg,
4 1/2” API Reg, 6 5/8” API Reg, etc;

Specification
| No. | Bit Diameter | Bit Design | Type | Part No | 
| inch | mm | Step / Chevron | ||
| 1 | 2 1/2〞 | 64 | S/C | DB212S/DB212C | 
| 2 | 2 3/4〞 | 70 | S/C | DB234S/DB234C | 
| 3 | 2 15/16〞 | 75 | S/C | DB21516S/DB21516C | 
| 4 | 3〞 | 76 | S/C | DB3S/DB3C | 
| 5 | 3 1/8〞 | 79 | S/C | DB318S/DB318C | 
| 6 | 3 1/4〞 | 83 | S/C | DB314S/DB314C | 
| 7 | 3 1/2〞 | 89 | S/C | DB312S/DB312C | 
| 8 | 3 5/8〞 | 92 | S/C | DB358S/DB358C | 
| 9 | 3 3/4〞 | 95 | S/C | DB334S/DB334C | 
| 10 | 3 7/8〞 | 98 | S/C | DB378S/DB378C | 
| 11 | 4〞 | 102 | S/C | DB4S/DB4C | 
| 12 | 4 1/8〞 | 105 | S/C | DB418S/DB418C | 
| 13 | 4 1/4〞 | 108 | S/C | DB414S/DB414C | 
| 14 | 4 1/2〞 | 114 | S/C | DB412S/DB412C | 
| 15 | 4 5/8〞 | 117 | S/C | DB458S/DB458C | 
| 16 | 4 3/4〞 | 121 | S/C | DB434S/DB434C | 
| 17 | 4 7/8〞 | 124 | S/C | DB478S/DB478C | 
| 18 | 5〞 | 127 | S/C | DB5S/DB5C | 
| 19 | 5 1/8〞 | 130 | S/C | DB518S/DB518C | 
| 20 | 5 1/4〞 | 133 | S/C | DB514S/DB514C | 
| 21 | 5 1/2〞 | 140 | S/C | DB512S/DB512C | 
| 22 | 5 5/8〞 | 143 | S/C | DB558S/DB558C | 
| 23 | 5 3/4〞 | 146 | S/C | DB534S/DB534C | 
| 24 | 5 7/8〞 | 149 | S/C | DB578S/DB578C | 
| 25 | 6〞 | 152 | S/C | DB6S/DB6C | 
| 26 | 6 1/8〞 | 156 | S | DB618S | 
| 27 | 6 1/4〞 | 159 | S | DB614S | 
| 28 | 6 1/2〞 | 165 | S | DB612S | 
| 29 | 6 5/8〞 | 168 | S | DB658S | 
| 30 | 6 3/4〞 | 171 | S | DB634S | 
| 31 | 6 7/8〞 | 175 | S | DB678S | 
| 32 | 7〞 | 178 | S | DB7S | 
| 33 | 7 1/8〞 | 181 | S | DB718S | 
| 34 | 7 1/4〞 | 184 | S | DB714S | 
| 35 | 7 1/2〞 | 191 | S | DB712S | 
| 36 | 7 5/8〞 | 194 | S | DB758S | 
| 37 | 7 3/4〞 | 197 | S | DB734S | 
| 38 | 7 7/8〞 | 200 | S | DB778S | 
| 39 | 8〞 | 203 | S | DB8S | 
| 40 | 8 1/8〞 | 206 | S | DB818S | 
| 41 | 8 1/4〞 | 210 | S | DB814S | 
| 42 | 8 1/2〞 | 216 | S | DB812S | 
| 43 | 8 5/8〞 | 219 | S | DB858S | 
| 44 | 8 3/4〞 | 222 | S | DB834S | 
| 45 | 8 7/8〞 | 225 | S | DB878S | 
| 46 | 9〞 | 229 | S | DB9S | 
| 47 | 9 1/8〞 | 232 | S | DB918S | 
| 48 | 9 1/4〞 | 235 | S | DB914S | 
| 49 | 9 1/2〞 | 241 | S | DB912S | 
| 50 | 9 5/8〞 | 244 | S | DB958S | 
| 51 | 9 3/4〞 | 248 | S | DB934S | 
| 52 | 9 7/8〞 | 251 | S | DB978 | 
| 53 | 10〞 | 254 | S | DB10S | 
| 54 | 12〞 | 305 | S | DB12S | 
| 55 | 12 1/4〞 | 311 | S | DB1214S | 
| 56 | 15〞 | 381 | S | DB15S | 
| 57 | 17 1/2〞 | 445 | S | DB1712S | 
Packing& Delivery 

Service
In our after sales service system, We establish perfect control system strictly according to ISO-9000 series, in this system, technology date and problem solve solution and preventive measures will be provided in any maintain project, all the spare parts will be used in new OEM products with installation instructions, packing list, manufacturer's instruction, qualification and Warranty certificate.
We provide "one equipment & one case, endless service, namely the
after sales service begin from the order confirmation, last for the
working life of the equipment.
|   | 
 Water Well Drilling Tools TCI Tricone Bit  15 1/2''
                                                                                    
                        
                        
                        
                                                            Water Well Drilling Tools TCI Tricone Bit  15 1/2''
                                                    
                        
                     TCI Tricone Rock Bit For Hard Rock Formation Drilling High Wear Resistance
                                                                                    
                        
                        
                        
                                                            TCI Tricone Rock Bit For Hard Rock Formation Drilling High Wear Resistance
                                                    
                        
                     Water Well Drilling Tools 10'' Soft Formation Drag Bits With 3 Wings Blades
                                                                                    
                        
                        
                        
                                                            Water Well Drilling Tools 10'' Soft Formation Drag Bits With 3 Wings Blades
                                                    
                        
                     TCI Tricone Rock Bit  17 1/2''
                                                                                    
                        
                        
                        
                                                            TCI Tricone Rock Bit  17 1/2''
                                                    
                        
                     Professional Roller Cone TCI Tricone Bit 18 7/8''
                                                                                    
                        
                        
                        
                                                            Professional Roller Cone TCI Tricone Bit 18 7/8''
                                                    
                        
                     Soft Formation	Water Well Drilling Tools 3 Wings Step Type Drag Bits 8 Inch
                                                                                    
                        
                        
                        
                                                            Soft Formation	Water Well Drilling Tools 3 Wings Step Type Drag Bits 8 Inch
                                                    
                        
                     4 Wings 12 inch Chevron Step Drill Bit Water Well Drilling Tools API Standard
                                                                                    
                        
                        
                        
                                                            4 Wings 12 inch Chevron Step Drill Bit Water Well Drilling Tools API Standard
                                                    
                        
                     High Strength 6.5'' TCI Tricone Drill Bit For Hard Rock / Water Well Drilling
                                                                                    
                        
                        
                        
                                                            High Strength 6.5'' TCI Tricone Drill Bit For Hard Rock / Water Well Drilling
                                                    
                        
                     Tungsten Carbide TCI Tricone Roller Drill Bits , 12 Inch Roller Cone Bit
                                                                                    
                        
                        
                        
                                                            Tungsten Carbide TCI Tricone Roller Drill Bits , 12 Inch Roller Cone Bit
                                                    
                        
                     12 Inch Chevron Step Drill Bits For Water Well / Mining / Geothermal Drilling
                                                                                    
                        
                        
                        
                                                            12 Inch Chevron Step Drill Bits For Water Well / Mining / Geothermal Drilling