reaming a hole

... function is to the to the correct comstant specific diameter which ensures adequate clearance for the core barrel and sufficient clearan...

NQ HQ PQ Reamer Diamond Shell Opener Shell The diamond pads are reinforced with tungsten carbide inserts on the leading edge, whi...

... string stability and protecting lower drill string from excessive wear, and ensures that when a new core bit is inserted into a continuing bore ho...

... used for machining connection in flanges, main engine base , bearing seat positioning , rudder machine base , and other simil...

... TCI tools and steel tooth tools with carbide tips. Roughnecks can replace tools, and we can provide replacement tools to save you shipping the hol...

Product name: 127mm MSX Slide block symmetric under reaming casing drilling bit for Foundation Casing pipe OD: 127mm We are able to meet the drilling ...

Drill Bit Rock Drill Bit T38 102mm for Hard Rock Blasting Product description rock bit applicable to for first-grade and...

... and then to the final size in combination with a pilot adapter. Large diameter service from level to level for drainage, electrical c...

... Shell for Diamond Core Drill Bits With Core Barrel Specifications TT48, TT60, LTK60, LTK48 shell 1. High penetration rate 2. High c...

... Opener Drill Bit Tungsten Carbide DHD380 DTH Opener Drill Bit DTH Product parameters Product name DTH Opener Bore ho...

... Shells BQ NQ HQ PQ Surface Set Natural Diamond Hard Rock Stratum Description The shell is mainly used to connect core barrel assemb...

Reliable Professional BQ Shell Preventing Vibration Deviation Main Features The shell is usually situated between the outer tube and...

... with diamond core bits to enlarge the diameter of an existing drill , allowing for the retrieval of larger core samples or for the installatio...

... Ra 6.3 or as required Application: The general grade with very stable and excellent performance covers the cutting processing of most P, M, K, N m...

... with the core barrel. It is suitable for use on all conventional and wireline core barrel. This product is mainly designed to the to the...

... Bit For Quarrying Drilling R25 / R28 / R32 6 12 Degree Pilot Adapter Bit For Cut Quarry Mining Introduction: bits is...

... and wireline core barrel. This product is mainly designed to the to the standard diameter. It can keep the stability of the core barrel....

... raises and constructing service in underground mines,featuring fast penetration rates in softer rock like shale and limestone with low silic...

... of rock formations. The roller cone rock reamer produced by our company is suitable for various types of trenchless rigs and can be used c...