Apr High-End a Series A12/14 Geological Diamond Bits 12mm/16mm (B N H P)

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  • Apr High-End a Series A12/14 Geological Diamond Bits 12mm/16mm (B N H P)
  • Apr High-End a Series A12/14 Geological Diamond Bits 12mm/16mm (B N H P)
  • Apr High-End a Series A12/14 Geological Diamond Bits 12mm/16mm (B N H P)
  • Apr High-End a Series A12/14 Geological Diamond Bits 12mm/16mm (B N H P)
  • Apr High-End a Series A12/14 Geological Diamond Bits 12mm/16mm (B N H P)
  • Apr High-End a Series A12/14 Geological Diamond Bits 12mm/16mm (B N H P)
Find Similar Products
  • Overview
  • A SERIES BIT MATRIX
  • HE SERIES BIT MATRIX
  • Packaging & Shipping
  • BIT Dimentions
  • Reaming Shells Dimentions
  • Casing Shoes Dimentions
  • Rod Shoes Dimentions
Overview

Basic Info.

Model NO.
B N H P
Type
Core Drill Bit
Material
Diamond
Usage
Well Drilling, Metal Drilling, Coal/Overpass/Ore Ice Drilling
Lead Time
4-7 Working Days
Transport Package
Wooden Box
Specification
A6
Trademark
AU-PROSPECT
Origin
China
HS Code
730451
Production Capacity
100, 000PCS/Year

Packaging & Delivery

Package Size
10.50cm * 10.50cm * 19.50cm
Package Gross Weight
2.200kg

Product Description

 

A SERIES BIT MATRIX

 Apr High-End a Series A12/14 Geological Diamond Bits 12mm/16mm (B N H P)
 
 

Bit Matrix No.

Rock Features

Rock Type

Hardness

A2

Extremely abrasive,highly fractured

Wear-resistant sandstone, broken wear-resistant sandstone

Apr High-End a Series A12/14 Geological Diamond Bits 12mm/16mm (B N H P)

A3

Medium soft,abrasive,fractured

Broken wear-resistant sandstone, sandy shale, limestone, threshite

A4

Medium soft-hard,abrasive,fractured

Sandy shale, limestone, threshite, gabbro

A5

Medium hard-hard,polishing+mixed

Pyroxene, sorite, gabbro, diabase

A6

Medium hard-hard,polishing+mixed

Threshold, gabbro, diabase, basalt, mica schist

A7

Medium hard-very hard,moderately abrasive

Gabbro, diabase, basalt, mica schist, siltstone, granite

A8

Hard-very hard,polishing

Coarse-grained basalt, mica schist, siltstone, granite, hematite, basalt, hard quartzite

A9

Hard-very hard,slightly abrasive

Hematite, Basalt, Hard Quartzite, Quartz Conglomerate, Strip Iron Ore

A10

Very hard-extremly hard,slightly abrasive

Hard Quartzite, Quartz Conglomerate, Bar Iron Ore, Taconite

A12/14

Extremly hard,non-abrasive,fine grain,very competent

Bar Iron Ore, Taconite, Quartzite

A15

The hardest

Iron cement, quartzite, black silicate

HE SERIES BIT MATRIX

 
Apr High-End a Series A12/14 Geological Diamond Bits 12mm/16mm (B N H P)
 

HE Series

Mohs Hardness

ROCKFEATURES

ROCK TYPE

Hardness

HE3

3.0-5.5

Soft

Sandstone,Sandy Shale,Limestone,Sandy Limestone,Conglomerates,Peridotite,Serpentine,Weathered Granite,Dolomite

Apr High-End a Series A12/14 Geological Diamond Bits 12mm/16mm (B N H P)

HE5

4.0-6.0

Soft to Medium Hard

Abrasive Coarse-Grained Granite, Basalt,Pegmatite,Skarns,Rhyolite

HE7

5.0-6.5

Medium to Hard

Granite,Pegmatite,Skarns,Rhyolite,Jasperite,Glassy Quartz,Basalt

HE9

6.0-7.5

Hard to Very Hard

Granite,Syenite,Quartz,Diorite,Gneiss,Silicified Volcanics,Diabase,Gabbro,Quartz,Chert,Basalt

HE11

6.5-7.5

Hard to Extremely Hard

Basalt, Felsic,Volcanic Rock,Diorite,Silicified Volcanics,Quartz,Quartz,Chert

HE13

7.0-8.0

Hardest

Calcite,Quartzite,Taconite

Packaging & Shipping

 Apr High-End a Series A12/14 Geological Diamond Bits 12mm/16mm (B N H P)

BIT Dimentions

Type Bits
O.D I.D
Imperial Metric Imperial Metric
BTW 2.345 59.56 1.667 42.1
NTW 2.965 75.31 2.218 56.1
HTW 3.762 95.57 2.809 71.1
AWL(AQ) 1.875 47.63 1.062 26.97
BWL(BQ) 2.345 59.65 1.433 36.4
BWL-3(BQ3) 2.345 59.65 1.32 33.53
NWL(NQ) 2.965 75.31 1.875 47.63
NWL-3(NQ3) 2.965 75.31 1.775 45.08
HWL(HQ) 3.762 95.57 2.5 63.5
HWL-3(HQ3) 3.762 95.57 2.406 61.11
PWL(PQ) 4.805 122.05 3.345 84.96
PWL-3(PQ3) 4.805 122.05 3.27 83.06

Reaming Shells Dimentions

Type Reaming Shells
O.D
Imperial Metric
BTW 2.36 59.95
NTW 2.98 75.7
HTW 3.783 96.09
AWL(AQ) 1.89 48.01
BWL(BQ) 2.36 59.95
BWL-3(BQ3) 2.36 59.95
NWL(NQ) 2.98 75.7
NWL-3(NQ3) 2.98 75.7
HWL(HQ) 3.783 96.09
HWL-3(HQ3) 3.783 96.09
PWL(PQ) 4.828 122.65
PWL-3(PQ3) 4.828 122.65

Casing Shoes Dimentions

Type Casing Shoes
O.D I.D
Imperial Metric Imperial Metric
AW 2.345 59.56 1.9 48.26
BW 2.965 75.31 2.37 60.2
NW 3.615 91.82 2.992 76
HW(CDDA) 4.625 117.48 3.925 99.7
HW(DCDMA) 4.625 117.48 3.975 100.97
HWT(CDDA) 4.625 117.48 3.925 99.7
HWT(DCDMA) 4.625 117.48 3.975 100.97
PW 5.653 143.58 4.855 123.3
PWT 5.653 143.58 4.855 123.3
56mm 2.205 56 1.85 47
76mm 2.992 76 2.638 67
86mm 3.386 86 3.031 77
101mm 3.976 101 3.445 87.5
131mm 5.157 131 4.646 118

Rod Shoes Dimentions

Type Rod Shoes
O.D I.D
Imperial Metric Imperial Metric
BWL(BQ) 2.345 59.56 1.78 45.21
NWL(NQ) 2.965 75.31 2.37 60.2
HWL(HQ) 3.615 91.82 2.992 76
PWL(PQ) 4.75 120.66 3.985 101.22


Before placing order, here is some infomation we'd like to know:
How deep is the project?
What is the rock?

Is it hard, soft or complex rock?
Is the rock very complete, semi-broken or broken?
How is the abrasiveness of rock?
Have you use any other brand before? what is the brand(optional)?
How is the performance previously?

Such as:
Drilling speed?
Meters downhole?
Drill bit working life?
Above questions will help us be more familar with your ground situation, meantime, more accurate and appropriate bit will be provided to you.


Suggestions:
SOFT ROCK FORMATIONS
LOW RPM's
Large diamonds/cutters
Large waterways for better flushing and higher GPM flow rates
Hard matrix for longer bit life


HARD ROCK FORMATIONS
High RPM's
Small diamonds/cutters
Small waterways
Soft matrix to expose more cutting elements

 

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