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Double Tube Tw Series Mining Drilling Tools Core Barrel For Surface Wireline Borehole

Categories Diamond Core Drilling Tools
Brand Name: JCDRILL
Model Number: DLG-HTW
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: 13.70kg
  • Product Details
  • Company Profile

Double Tube Tw Series Mining Drilling Tools Core Barrel For Surface Wireline Borehole

Double Tube Mining Drilling Tools TW Series Core Barrel For Surface Wireline Borehole Drilling

>> 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.

>> HTW Overshot Assembly structure diagram

1Eye boltD-NQ-XZPc0.10
2Cable swivel collarD-NQ-ZTPc0.15
3Inner ringD-NQ-ZCTPc0.01
5Plain washerPDQ-12Pc0.01
6Lock nutZSLM-M12Pc0.05
7Cable swivel bodyD-NQ-ZNQPc2.46
8Crease FittingZYZ-M6*1Pc0.01
9Jar tubeD-NQ-LJTPc2.80
10Locking sleeveD-NQ-TKGPc2.30
11Jar barD-NQ-LGPc1.00
12Stover lock nutD-NQ-TJLMPc0.06
13Adjusting washerD-NQ-TZDPGroup0.02
14Overshot capD-NQ-XYGPc0.05
15Overshot SpringD-NQ-YSTHPc0.03
16Overshot SleeveD-NQ-SJTPc0.25
17Overshot HeadD-NQ-LGJPc2.50
18Set screwJDLD-M10*6Pc0.01
20Lifting dog spring(2)D-NQ-LGTHGroup0.01
21Guiding sleeveD-NQ-DXTPc1.10
22Round pinD-NQ-YZXPc0.08
23Spring pinTXX-6*45Pc0.01
24Lifting dog(2)D-NQ-DLGPc0.60
25Stop hppk and pinD-NQ-GDXGPc0.02
25AStop hookD-NQ-DLGPc0.01
25BStop pinD-NQ-GDXGPc0.01

>> Package & Shipment

>> About Us


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.

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