Diamond Bit Surface Set Diamond Core Drill Bit¹

Product Description 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 bitsA-Gauge Core Bits: A, A-RSG, AWG(AX), AWM, AWT, LTK48B-Gauge Core Bits: B, B-RSG, B-2.400, B3, BWG(BX), BWM, BWT, LTK60, TBWN-Gauge Core Bits: N, NMLC, NWG(NX), NWM, NWT, TNWH-Gauge Core Bits: N, HMLC, HWF-Long, HWF-Short, HWG(HX), HWTP- Gauge Core Bits: P, P3, PWF-Long, PWF-ShortS- Gauge Core Bits: SWF-Long, SWF-ShortU- Gauge Core Bits: UWF-Long, UWF-ShortZ- Gauge Core Bits: ZWF-Long, ZWF-ShortT, 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 corelineT6 Series Metric Core Bits: T6-76, T6-86, T6-101, T6-116, T6-131, T6-146T6S 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 sizeDiamond  semi-roundAbout usPackingWarehouseTrade ShowFAQQ: Are you a manufacturer or trading company?A: We are a manufacturer, the factory is located in Changsha, Hunan, China.Q: What are your main products?A: Our products cover diamond core bit, non-coring bit, reaming shell, core barrel, casing pipe, drill rod, soil sampling equipment and other accessories. Q: How about the delivery terms?A: 1. Payment: T/T, L/C, Western Union, Paypal.      2. No request on min. order quantity.     3. Transportation: By DHL/UPS/Fedex express, air, sea, train.Q: How about discount?A: Price is based on order quantity.Q: Do you accept sample order?A: Yes sure, please contact us for details. Q: How about your after-sales service?A: As a manufacturer, we offer promt technical support for all issues. Besides we accept goods return or replace for quality problem.Q: How does your company control the quality?A: Quality always comes first. In order to guarantee quality for our products, Forsun always makes a serious inspection for all products and raw materials in strict procedure. We have obtained certificate of ISO9001:2000 in 2004. 

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