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used drill bits

Our company is mainly engaged in mining machine spare parts and rock drilling tools. We also supply carbide bullet teeth for coal mining and rock drilling, for foundation drilling and road milling. Welcome to contact us if you have demand in our products, we will provide products with their value.

126 127 0.35~0.9 150~70 Soft formations with low compressive strength and high drillability,such as mudstone,gypsum,salt,salt,soft shale,soft limstone,etc. 246 247 0.4~1.0 80~50 Medium hard formations with high compressive strength,such as abrasive shale,limestone,sandstone,dolomite,hadr gypsum,marble,etc. 517 527 0.5~1.0 140~60 Soft formations with low compressive strength ang high drillability such as mudstone,gypsum,salt,soft shale,soft limestone,etc.

It can be used to drill metal, hardwood, and most other materials. The cutting edges of the drill bit is at one end, and the shank is at the other. 1. The shank is the part of the drill bit grasped by the drill chuck.

TUNGSTEN CARBIDE TIPPED TWIST DRILL BITS Product Name YG6X Carbide Twist Drill Type Carbide Twist Drill Helix Angle 130 degree MOQ 5pcs Hardness 80-89HRC Measurement Metric and Inch Size 1mm-50mm,or as your requirement Drilling Depth 30mm,or as your requirement Material YG6X+40Cr Process Aluminium Alloy Our company work with below products also, if you are interesting, pls click and learn it. thanks. 1. twist drill bits 9. HSS & carbide turning tools 2. machine taps & machine dies 10. CNC tool holders 3. HSS & carbide end mills 11. carbide inserts 4. saw blade 12. grinding wheel 5. gear hob 13. hand & machine reamers 6. measure 14. hardward tools 7. machine tool accessory 15. grinding machine 8. tungsten carbide burrs 16. vise

PDC drill bit is super hard material combined with diamond and hard alloy under high temperature and high pressure. It greatly improves the drilling efficiency and is the ideal drill bit for the drill operation of medium & hard as well as super hard rock. The ordinary type adopts Chinese PCD as its blade, while the super-strong type adopts American blade made by GE.

124/126/127 0.3~0.85 180~60 Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc. 517/527/515 0.35~1.0 140~60 Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc. 537/547/535 0.45~1.0 120~50 Soft to medium formations with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc.

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About products and suppliers:
Find durable and best quality. used drill bits at affordable prices only at Alibaba.com. To improve the efficiency and quality of cementing,. used drill bits are vital pieces of equipment, which is why you must not compromise on their quality. It seals the casing to the wall completely, and the whole job would be unsuccessful if the casing touches the hole at any part.

On Alibaba.com, you can find a wide range of. used drill bits, which is a key element in ensuring that the cementing quality is optimum. It does so by stopping mud entry and substandard isolation of zones. There are basically four sizes depending on their shapes. The bow spring is most suited for vertical wells and because of its flexibility, it can go through narrow holes. The rigid types are made using cast iron or steel bars, which means they’re perfect for a specific size. 

The semi-rigid types combine the property of the bow springs and the rigid types. They can be compressed like the bow springs while have high restoring forces like the rigid types. The mold-on blades are made using carbon fiber and ceramic materials and can be readily applied to the casing surface. Restoring force is an important criterion that decides how effective a. used drill bits is going to be.

At Alibaba.com, you can get the solution to all your needs in one place easily and swiftly. All the. used drill bits are sold by verified sellers, manufacturers and suppliers, which ensures that you always get the maximum satisfaction.