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Application: Suitable for drilling hard dense formations with high penetration rate
Formation
hardmess
Drill Bit Selection Reference Table
rock
abrasiveness
Bit Matrix Range
HRC55
HRC 45-50
HRC 40-45
HRC 35-40
HRC 30-35
HRC 25-30
HRC 20-25
HRC 15-20
HRC 10-15
HRC 5-10
HRC 0-0-5
1
2
3
4
5
6
7
8
9
10
11
soft
Clay，shale，verysoft，sandstone，marl argilite，volianictuff.ect。
Hihg
●
●
●
●
Medium
●
●
●
●
Low
●
●
●
●
medium-hard
limestone，rhyolite，lava，andesite，marble，hard sandstone，limonite，dolomite，schist，ect。
High
●
●
●
●
●
●
Medium
●
●
●
●
Low
●
●
●
●
hard
Basalt，gmeiss，granodiorite，amphibolite,pegmatite，diabase.ect。
High
●
●
●
●
●
Medium
●
●
●
●
Low
●
●
●
●
very hard
Hard granite，quartzitic，xonglomerate，quarizite hard slate，rhyolite，ect。
High
●
●
●
●
●
●
●
Medium
●
●
●
●
●
●
Low
●
●
●
Size Available:
Diamond Drill Bit Lip Shape
Full Round
Higher diamond content in the bit face.higher penetration rate.and suitable for drilling hard rocks.
Semi-round
Even diamond distribution in the bit face,suitable for drilling medium-hard and hard rocks.or a little broken and loose formations.
Fiat
For impregnated diamond bit oniy,suitable for drilling hard abrasive rocks.
Bottom Discharge Design
Suitable for drilling sedimentary or metamorphic formations containing more powder mineraiw with high core recovery percentage,and no excessive core washout.
Stepped
Suitable for dr drilling medium-hard,broken or interbedded formations, hoie deviation can be prevented.
Tapered
Suitable for drilling soft and medium-hard formations with high penetration rate.
Serrated Profile
Suitable for drilling hard dense formations with high penetration rate.
Staggered Concentric Profile
GearWheel
Suitabie for drilling hard dense formations with high penetration rate.
Q series: AQ, BQ, NQ, HQ, PQ, BQ3, NQ3/NQTT, NQ2, HQ3/HQTT, PQ3/PQTT
T2 Series: T2 46, T2 56, T2 66, T2 76, T2 86, T2 101
T6 Series: T6 76, T6 86, T6 101, T6 116, T6 131, T6 146, T6S 101
T Series: T36, T46, T56, T66, T76, T86
Z Series: Z46, Z56, Z66, Z76, Z86, Z101, Z116, Z131, Z146
B Series: B36, B46, B56, B66, B76, B86, B101, B116, B131, B146
WF Series: HWF, PWF, SWF, UWF, ZWF
WT Series: RWT, EWT, AWT, BWT, NWT, HWT
WM Series: EWM, AWM, BWM, NWM
WG Series: EWG, AWG, BWG, NWG, HWG
Others: NMLC, HMLC, LTK48, LTK60, BGM, NGM, ADBG, TBW, TNW, ATW, BTW, NTW, NXD3, AX, NX, NXC, AXT, T6H, 4 9/16, NWD4, 412F, SK6L146, TT46, TB56, TS116, CHD10
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Hengshui Aoxing Metal Products Co., Ltd
Hengshui Aoxing has over 10 years of market experience and is a manufacturer and supplier of grouting materials and drilling materials for water conservancy, geology, mining, tunnels, subways, construction, surveying, geotechnical and other engineering branches.
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