GeoGem Limited, manufacturer of high performance diamond drill bits for mining, civil engineering, geotechnical and oil industries
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T2101 Surface Set Core Bit, Semi Round Profile
T2 101 CORE BIT, SEMI ROUND PROFILE 30 / 40 SPC



T6S H SURFACE SET, PILOT PROFILE
T6S H SURFACE SET CORE BIT, PILOT PROFILE, FACE DISCHARGE
 

SURFACE-SET DIAMOND CORE BITS

A range of surface set core bits are manufactured to the highest quality standards to give long service life and maximum penetration in soft to hard formations. The range includes a variety of diamond grades, stone sizes and face profiles enabling a cost effective solution to be taken for most conditions.

Diamond Grades

Drill 1 : Very good quality, processed, well rounded diamonds, free from flaws for medium to very hard fromations.

Drill 2 : Good quality, processed, rounded diamonds, free from flaws for soft to medium formations.

Carbonado : Microcrystalline natural diamonds with a very tough structure, used in severe drilling conditions where conventional natural stones tend to fracture, such as badly fractured formations.


Diamond stone size: Stones Per Carat (spc)

10/15 spc: Soft to Medium Formation

20/25 spc: Medium to Hard Formation

30/40 spc: Medium Hard to Hard Formation

40/60 spc: Hard Formation

60/80 spc: Hard to Very Hard Formation
 

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FACE PROFILES

Semi Round : Standard profile. Very strong in hard broken formation.

Stepped : High penetration and stability but fragile in hard fractured formation.

Conical : Good penetration rate and stability. Stronger than stepped profile.

Pilot : Good core recovery in soft, friable formation especially when used with face discharge. Good stablisation but fragile nose.

Biconical : Only used on thick kerf core bits in soft unfractured formation.


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GeoGem Limited, Unit 15, Colomendy Business Park, Denbigh, Denbighshire LL16 5TA, U.K.
Tel: 01745 815315   Fax: 01745 815495   Email: sales@geogem.co.uk
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