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OEM ODM Small 18mm Diamond Core Drill Bit Long Lifespan Firm Welded

Categories Diamond Core Drill Bit
Brand Name: ShiFeng
Model Number: Couple tube 59
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: 59mm
Weight: 0.5kg
HRC: 5-50
Color: Customized
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OEM ODM Small 18mm Diamond Core Drill Bit Long Lifespan Firm Welded

OEM ODM Small 18mm Diamond Core Drill Bit Long Lifespan Firm Welded


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 typeDescriptionSet type of DiamondRemarks
Wire-line

dia. 56, 59, 75 and 95,

BQ, NQ, HQ

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

Impregnated Diamond Bits
SizeGEOTEC bits are available in all standard drilling sizes.
Also, non-standard sized bits can be produced according to requirements from clients.
Crown HeightGEOTEC 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.
WaterwaysVarious waterways are available for diamond impregnated bits.
Differing waterways allow for better flushing in various ground conditions and drilling systems.
ThreadsStandard threads as well as regional thread types required by clients are available.
CompatibilityOur diamond bits and reaming shells are designed to be compatible with
all standard core barrels from other suppliers.
MatrixImpregnated bits matrices can be selected according to the chart below.

Series numberRock
11

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

taconite.

10

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

taconite.

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


ProductsProblemSettlement
Diamond core bit1: size or technical parameters (matrix etc.) are different from the requirement of customers’ orderReplace
2: thread can not fit customers’ barrelRepair 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 drillingReplace
4: matrix falling not caused by drillingReplace or return
5: groove on matrix caused by manufacturerReplace or return
6: drilling speed is obvious slower than congener products cause by manufacturerReplace, 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 cleanedBe 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 Shell1: thread is not correctRepair or return
2: steel body cracked in drillRepair or return
3: PCD strips fallingRepair or return
Quality OEM ODM Small 18mm Diamond Core Drill Bit Long Lifespan Firm Welded for sale
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