China Diamond Bits Impregnated Tube Core Bits Triple Pipe Drill Bit BQ NQ HQ for sale

Diamond Bits Impregnated Tube Core Bits Triple Pipe Drill Bit BQ NQ HQ

Price Negotiable

Price: Negotiable

MOQ: 1 Piece

Delivery Time: Negotiable

Brand: Aoxing

Product Description

Diamond core bits products include: 1,drill bit: Impregnated diamond diamond drill bit, sufface set diamond drill bit, electroplated diamond drill bit, tc drill bit, PCD drill bit, thin wall drill bit; Hole: alloy reamer, polycrystalline reamer, electroplated reamer,surface set natural diamond reamer;

Product Advantage:

1. Impregnated Diamond Bit: Special mental coated diamonds to extend the diamond working life.

2. Surface Set Diamond Bit: Choose natural diamond with the fast drilling speed, espencially used for soft, abrasive and unconsolidated rock formation.

3. PDC Bit: 3. Matrix Height: 7mm-16mm, provide better drilling speed and drilling life.

4. Drill Bit Design: Standard V-ring,Turbo, Face discharge, Flat face, Stepped, Vortex type,Pilot type, etc.

Parameter of Diamond Core Bit:

Description	钻头 Core Bit		钻头 Core Bit		金刚石扩孔器Reaming Shell
规格型号	外径 Outside Diameter		内径 Intside Diameter		外径 Outside Diameter
Model	英寸Inches	毫米 mm	英寸Inches	毫米 mm	英寸Inches	毫米 mm
BTW	2.345	59.65	1.667	42.1	2.36	59.95
NTW	2.965	75.31	2.218	56.1	2.98	75.7
HTW	3.762	95.57	2.809	71.1	3.783	96.09
AQ	1.875	47.63	1.062	26.97	1.89	48.01
BQ	2.345	59.65	1.433	36.4	2.36	59.95
BQ3	1.345	59.65	1.32	33.53	2.36	59.95
NQ	2.965	75.31	1.875	47.63	2.98	75.7
NQ3	2.965	75.31	1.775	45.08	2.98	75.7
HQ	3.762	95.57	2.5	63.5	3.783	96.09
HQ3	3.762	95.57	2.406	61.11	3.783	96.09
PQ	4.805	122.05	3.345	84.96	4.828	122.65
PQ3	4.805	122.05	3.27	83.08	4.828	122.65
T2-56	2.205	56	1.642	41.7	2.224	56.5
T2-76	2.992	76	2.429	61.7	3.019	76.5
T2-86	3.385	86	2.823	71.7	3.406	86.5
T2-101	3.976	101	3.295	83.7	3.996	101.5
T6-101	3.976	101	3.11	79	3.996	101.5
T6-131	5.157	131	4.252	108	5.157	131.5

Drill Bit Selection Reference Table:

Formation

hardmess

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

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

●

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		Suitabie for drilling hard dense formations with high penetration rate under low bit weight.
GearWheel		Suitabie for drilling hard dense formations with high penetration rate.