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API Tricone Replaceabled Cutters Single 8 1/2" Roller Cone Bit For Well Drilling Single Cone Bit best sell cone Cutting Structure The wear-resist...

10pcs Screw Extractor and Cobalt Left Hand Drill Bit Set for Broken Bolt Description: - Screw extractors, easy out, are designed to remove broken stud...

ST68 127mm Retractable Drill Bit with Drop Center Mining Drill Bits for Drilling Loose Broken Rock We have a complete line of fast penetration and roc...

8mm Hexagonal Shank Carbide Drill Bit Glass Tile Drill Bit 1. It is made of high quality alloy as raw material. Oxy-nitriding process of the bit reinf...

Φ94mm PDC matrix drill bits PDC matrix drill bits are mainly used for drilling hard, broken, abrasive and other rocks. The main feature is high speed ...

AQ BQ NQ HQ PQ/ Q Series Wireline PCD diamond core drill bits Diamond bits Crown Shape Diamond bits Crown Shape and Applications Flat applicable to dr...

NQ NQ3 HQ HQ3 Surface Set Diamond Core Drill Bit for Drilling Broken and Backfilled Stratum Shale Surface Set Diamond Bit Roschen surface-set diamond ...

B N H P Wireline Natural Diamond Surface Set Core Drilling Bits For Broken Formation Rocks Surface Set Diamond Core Bits: Set with singular layer of n...

Tricone Roller Drill Bit Hard Rock Drilling Tools Tricone Drilling Bit Set Introduction Air or drilling fluid allows the broken rock debris to survive...

PDC Drill Bit Product Description 1.PDC drill bit is used for weak and dangerous rock, foundation treatment, broken ground and other grouting reinforc...

API 8 3/4" TCI Drill Bit/Insert Tricone Rotary Bit, water well drilling equipment Feature about Tricone drill bit: 1. High-strength, high flexibi...

Steped PDC Drag bit 311mm Three wings for water well drilling Product Description Size of Rock Bit 311.1mm 12 1/4" blade 3 Thread Connection Male...

DTH Rock Drill Bit with Shank SD4/SD5/SD6/SD8/SD10/SD12 for Construction Product description A down-the-hole hammer (DTH hammer) is a tool that can be...

SP1480 Cemented carbide steel High air pressure DTH Drill Bits for DTH drilling Face shape Features Concave Face 1. Capable of drilling straighter hol...

133mm Concave Drill Bit Water Drill Bit Mining PDC Bit Metal Drill Bit Characteristics: 1. The top surface of the drill bit is a shallow conical surfa...

Metric Round Shank 3 Straight Flutes HSS Step Drill for Tube Metal Sheet Drilling 1. Photo: High Speed Steel step drill bits. Easy Center:Special desi...

Button Bit 11 Degree Rock Drilling Tools 38mm Hard Rock Drilling Bits Features: 1.All button bits raw material produced. 2.Simple structure and not br...

70mm Length Crown Blind Hole Drill Bits For Woodworking Drilling Machinee YIDIAN Crown Blind Hole Drill Bits: YIDIAN Crown Blind Hole Drilling Bits (P...