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Double / Triple Tube Diamond Core Drilling Tools Diameter Btw Ntw Htw Barrel Overshot Assembly

Categories Diamond Core Drilling Tools
Brand Name: JCDRILL
Model Number: DLG-BTW
Certification: ISO,CE
Place of Origin: Hebei,China
MOQ: 1Set
Price: Negotation
Payment Terms: T/T, L/C, D/P, Western Union, MoneyGram
Supply Ability: 2000 Set/Sets per Year
Delivery Time: 15 To be negotiated
Type: overshot for wireline core drilling
Standard: BTW NTW HTW
Product name: Core overshot assembly
Application: Wire line core drilling
Color: Black
Package: Wooden Box Package
Series: DCDMA wire line TW series
Weight: 30.54kg
  • Product Details
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Double / Triple Tube Diamond Core Drilling Tools Diameter Btw Ntw Htw Barrel Overshot Assembly


Double/Triple Tube,Diameter BTW NTW HTW Drilling Core Barrel overshot assembly


>> Introduction

Overshot is a necessary device in wireline drilling. It's dropped on a cable and directly couples onto and lift up the inner tube assembly, eliminating the need to couple and uncouple the rod string each time the core is retrieved.

Ezy Lock Overshot is a modified product based on compact overshot. It protects against accidental release of the core barrel. This is ideal for suface application when hoisting above ground. TW series overhshot are available in BTW,NTW and HTW size.

>> BTW Overshot Assembly structure diagram

ID#ItemDecriptionUnitWeight(Kgs)
1-17OvershotDLQ-BTWSet7.40
1Eye boltD-BQ-XZPc0.10
2Cable swivel collarD-BQ-ZTPc0.15
3BearingZC-51101Pc0.02
4Plain washerPDQ-12Pc0.01
5Lock nutZSLM-M12Pc0.02
6Crease FittingZYZ-M6*1Pc0.01
7Cable swivel bodyD-BTW-ZHCPc2.20
8Jar barD-BQ-LGPc0.36
9Jar tubeD-BQ-LJTPc1.60
10Locking sleeveD-BQ-TKGPc1.00
11Hex nutLM-M14Pc0.02
12Overshot headD-BQ-LGJPc1.40
13Set screwJDLD-M10*12Pc0.01
14Lifting dog spring(2)D-BQ-LGTHPc0.01
15Lifting dog(2)D-BQ-DLGPair0.40
16Round pinD-BQ-YZXPc0.03
17Spring pinTXX-5.5*35Pc0.02

>> Package & Shipment

>> About Us

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JCDRILL provide users high quality Mining & Drilling solutions,we always focus on the strategic conception of "Survival by quality, Development by credit''.


We have specilized in research, development and produce of rock blasting drilling rig, water well drilling rig, diamond core drilling rig, anchor drilling rig, and relative accessories & drilling services. constantly provide professional drilling solutions for all customers with our advanced technology, excellent equipment, strict testing means and good service network, which establish our brand "JCDRILL" a good image of market, now,we products account for 50% of domestic market and have been export to more than 40 countries, and we awarded ISO9001: 2000 in November, 2002.


With excellent technology and solid market service capabilities, we have both a sound marketing system and excellent service support system, which help us win confidence of customers both at home and abroad,we can provide drilling rig users with high quality professional air compressor solution and relative after-sales service also.



>> FAQ

Q: Are you original manufacturer?


Q: Which payment terms are available to us?Q: Which Incoterms 2010 terms can we work?

A: Yes, we JCDRILL is a official leading manufacture in drilling machinery in China and we have the whole series products you need.


A: T/T term or L/C term. On T/T term, 30% down payment is required in advance, and 70% balance shall be settled before shipment. On L/C term, a 100% irrevocable L/C without "soft clauses" can be accepted.

A: We JCDRILL are a professional and international company, accept all Incoterms 2010 terms, normally we work on FOB, CIF, CFR, CIP.


Q: How long will the delivery time take?Q: How about after sales service?Q:Spare Parts When You Need Them

A: Normally products will take about 3-15 days to produce the ordered machines. Most of the time, we can have an immediate delivery of our regular machines in 15 days.


A: 365×24 Year-round Service We are committed to year-round 24-hour service even during holidays, in line with our policy of always providing "a response within 15 minutes and job completion within 24 hours."

A:We have spare parts centers across continents that stock specialist spare parts. We promise that spare parts will be delivered within 72 hours or no more than one week.


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