Wuxi Shifeng Geology and Mineral Drilling Tools Co., Ltd.

Wuxi Shifeng Geology and Mineral Drilling Tools Co., Ltd. Fast and durable

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Hard Rock Core Hole Bits , 56 Hollow Core Diamond Drill Bits Fast Drilling Speed

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Wuxi Shifeng Geology and Mineral Drilling Tools Co., Ltd.
City:wuxi
Province/State:jiangsu
Country/Region:china
Contact Person:Wang
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Hard Rock Core Hole Bits , 56 Hollow Core Diamond Drill Bits Fast Drilling Speed

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Brand Name :ShiFeng
Model Number :Couple tube 56
Place of Origin :WUXI
MOQ :10 Piece/Pieces
Payment Terms :T/T, Western Union
Supply Ability :200 Piece/Pieces per Week
Delivery Time :15 work days
Packaging Details :packed in box
Material :Diamond and Metal
Diameter :56mm
Weight :0.5kg
HRC :5-50
Color :Customized
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Hard Rock Core Hole Bits , 56 Hollow Core Diamond Drill Bits Fast Drilling Speed

We specialized in manufacturing Drill Rods, Casings, Core barrels, Diamond bits, Reaming shells, Drill rigs, PDC bits and other drilling tools & equipment for geological exploration, mining, geotechnical, dam grouting, water well and horizontal directional drilling.

We can provide

1. Test Report & MTC

2. Ready stock for normal sizes

3. Customized sizes welcomed

4. One stop service

Bit type Description Set type of Diamond Remarks
Wire-line

dia. 56, 59, 75 and 95,

BQ, NQ, HQ

Impregnated
Couple tube dia.56, 59, 75, 76, 91, 110, 130 and 150 Impregnated
Single tube dia.46,56, 59,75, 91, 110, 130, 150, 171, 223 and 300 Impregnated

Impregnated Diamond Bits
Size GEOTEC bits are available in all standard drilling sizes.
Also, non-standard sized bits can be produced according to requirements from clients.
Crown Height GEOTEC offers crown impreg depths of 9mm, 12mm, 16mm and 25mm.
The taller crown heights provide improved bit stability and reduced vibrations,
enhancing bit life and performance.
Waterways Various waterways are available for diamond impregnated bits.
Differing waterways allow for better flushing in various ground conditions and drilling systems.
Threads Standard threads as well as regional thread types required by clients are available.
Compatibility Our diamond bits and reaming shells are designed to be compatible with
all standard core barrels from other suppliers.
Matrix Impregnated bits matrices can be selected according to the chart below.

Series number Rock
11

magnetit, metamorphschist, gneiss, granite, basalt, gabbro, rhyolite, diorite, conglomerate,

taconite.

10

magnetit, metamorphschist, gneiss, granite, basalt, gabbro, rhyolite, diorite, conglomerate,

taconite.

9/10 andesite, pegmatite, hematite, magnetit, metamorph schist, gneiss, granite, basalt, gabbro, rhyolite, diorite.
9 andesite, pegmatite, hematite, magnetit, metamorph schist, gneiss, granite, basalt, gabbro, rhyolite, diorite.
8

dolomite, marble, peridotite, andesite, pegmatite, hematite, magnetit, metamorph schist,

gneiss, granite, basalt.

7/8

dolomitic limestone, schist, serpentine, hard & mica schist, siliceous limestone, dolomite,

marble, peridotite, andesite, pegmatite, hematite.

7

dolomitic limestone, schist, serpentine, hard & mica schist siliceous limestone, dolomite,

marble, peridotite, andesite, pegmatite, hematite.

6/7

med-hard limestone, hard limestone, hard shale, dolomitic limestone, schist, serpentine,

hard & mica schist, siliceous limestone, dolomite, marble, peridotite.

6

med-hard limestone, hard limestone, hard shale, dolomitic limestone, schist, serpentine,

hard & mica schist, siliceous limestone, dolomite, marble, peridotite.

5

claystone, sandy limestone, soft schist, med-hard sandstone, siltstone, alluvial deposits,

calcitic limestone, med-hard limestone, hard limestone, hard shale, dolomitic limestone.

4

claystone, sandy limestone, soft schist, med-hard sandstone, siltstone, alluvial deposits,

calcitic limestone, med-hard limestone, hard limestone, hard shale, dolomitic limestone.

3

soft shale, chalk, marly shale, med-hard limestone, salt, frozen soil&ice, soft sandstone,

sandy shale, claystone, sandy limestone, soft schist, med-hard sandstone, siltstone,

alluvial deposits, calcitic limestone.

2

soft shale, chalk, marly shale, med-hard limestone, salt, frozen soil&ice, soft sandstone,

sandyshale, claystone, sandy limestone, soft schist, med-hard sandstone, siltstone,

alluvial deposits, calcitic limestone.

1

sand, soft shale, chalk, marly shale, med-hard limestone, salt, frozen soil&ice, soft

sandstone, sandy shale, claystone, sandy limestone, soft schist.

Products Problem Settlement
Diamond core bit 1: size or technical parameters (matrix etc.) are different from the requirement of customers’ order Replace
2: thread can not fit customers’ barrel Repair or replace
3: break down a piece from matrix, and the volume of the piece exceed 2mm*2mm*2mm, and such break is not caused by drilling Replace
4: matrix falling not caused by drilling Replace or return
5: groove on matrix caused by manufacturer Replace or return
6: drilling speed is obvious slower than congener products cause by manufacturer Replace, and each item quantity does not exceed 3 pieces
7: bit life is obvious short cause by manufacturer
8: breaking down of matrix, falling matrix, groove and short bit life caused by operating reasons- drill rod sticking, premature failure of the bit crown and hole bottom not to be cleaned Be excluded from quality guarantee
9: short bit life or no penetration caused by drilling machine, drilling techniques or parameters
10: properly worn and the matrix is finished
11: thread damaged or distorted due to improper operation
12: Steel body cracked in drill
Reaming Shell 1: thread is not correct Repair or return
2: steel body cracked in drill Repair or return
3: PCD strips falling Repair or return
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