The surface set diamond bit is produced from a single layer of natural diamond setting on the surface of bit crown with hard matrix.
Surface set diamond bit is mainly recommended for drilling soft to hard formations. Generally speaking, surface set diamond bit can provide satisfying penetration rate.
To choose a right surface set for the formations drilled, we need at least consider the following aspects: diamond size, diamond grade, profile design.
Face Profiles of surface set core bit:
Semi-round: it is mostly used in the core bit with bit kerf thickness less than 11mm. It can drill various formations. The core bit with semi-round profile has long bit life, and can avoid damage; while the bit kerf thickness is over 11mm with semi-round profile can be applied in drilling abrasive formations.
Stepped profile: core bit kerf thickness over 11mm usually has this kind of profile. Bit with Stepped profile can obtain high penetration rate with good stability in drilling. However, it is not recommended in fractured very abrasive formations. When the core bit of bit kerf less than 11mm has stepped profile can facilitate drilling speed and have better drilling stability.
Sizes Available:
Diamond core drill bits and diamond non-core drill bits
A-Gauge Core Bits: A, A-RSG, AWG(AX), AWM, AWT, LTK48
B-Gauge Core Bits: B, B-RSG, B-2.400, B3, BWG(BX), BWM, BWT, LTK60, TBW
N-Gauge Core Bits: N, NMLC, NWG(NX), NWM, NWT, TNW
H-Gauge Core Bits: N, HMLC, HWF-Long, HWF-Short, HWG(HX), HWT
P- Gauge Core Bits: P, P3, PWF-Long, PWF-Short
S- Gauge Core Bits: SWF-Long, SWF-Short
U- Gauge Core Bits: UWF-Long, UWF-Short
Z- Gauge Core Bits: ZWF-Long, ZWF-Short
T, TT, T2 &TB Series Metric Core Bits: T36, TT46, T2-46, TB56, TT56, T2-56, T2-66, T2-76,T2-76 coreline, T2-86, T2-86 coreline, T2-101, T2-101 coreline
T6 Series Metric Core Bits: T6-76, T6-86, T6-101, T6-116, T6-131, T6-146
T6S Series Metric Core Bits: T6S-76, T6S-86, T6S-101, T6S-116, T6S-131, T6S-146
and all other standard CDDA, DCAMA, Crealius, and ISO sizes .
Surface set | step size |
| Diamond | semi-round |
FORSUN is a manufacturer of Diamond Core Bits, Reaming Shells, Core Barrels, Drill Rods, Casings, other Drilling Accessories and Drilling Rigs which are used mainly in mineral exploration, site investigation, water well construction. FORSUN products are produced according to ISO, DCDMA, CDDA, Metric, and Chinese standards. So far FORSUN products have been exported to more than 50 countries. With qualified and professional staff as well as advanced production technologies and equipment, FORSUN is capable to offer customers both the standard and customized products.
Forsun is a leading manufacturer and supplier of drilling equipment, specializing in producing Diamond Core Bits (Impregnated and Surface Set, E. P. ), Reaming Shells, Core Barrels, Drill Rods, Water Swivels, Hoisting Plugs, SPT complete, and other drilling tools and accessories.
Sizes Available:
Diamond core drill bits and diamond non-core drill bits
A-Gauge Core Bits: A, A-RSG, AWG(AX), AWM, AWT, LTK48
B-Gauge Core Bits: B, B-RSG, B-2.400, B3, BWG(BX), BWM, BWT, LTK60, TBW
N-Gauge Core Bits: N, NMLC, NWG(NX), NWM, NWT, TNW
H-Gauge Core Bits: N, HMLC, HWF-Long, HWF-Short, HWG(HX), HWT
P- Gauge Core Bits: P, P3, PWF-Long, PWF-Short
S- Gauge Core Bits: SWF-Long, SWF-Short
U- Gauge Core Bits: UWF-Long, UWF-Short
Z- Gauge Core Bits: ZWF-Long, ZWF-Short
T, TT, T2 &TB Series Metric Core Bits: T36, TT46, T2-46, TB56, TT56, T2-56, T2-66, T2-76, T2-76 coreline, T2-86, T2-86 coreline, T2-101, T2-101 coreline
T6 Series Metric Core Bits: T6-76, T6-86, T6-101, T6-116, T6-131, T6-146
T6S Series Metric Core Bits: T6S-76, T6S-86, T6S-101, T6S-116, T6S-131, T6S-146
And all other standard CDDA, DCAMA, Crealius, and ISO sizes.
