---
title: Tools International - Locking C Mandrels
description: Specifications, Assembly, and Components for the D Series Lock Mandrels.
image: https://www.tools-int.com/hubfs/Locking%20C%20Mandrel-2.png
---

# Locking "D" Lock Mandrel

#### Tools International Corp

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#### Description

#### Specifications

#### Assembly

#### Components

### Description

 

The Type “D” Collar Lock Mandrel is used to land and lock in any collar recess of API collared tubing. The sealing element is mechanically locked in the set position so that pressure differentials can be held from above or below the locking mandrel. It can be used in conjunction with pump through plugs, positive plugs, safety valves, standing valves,and packoffs.

![d_lock](https://www.tools-int.com/hs-fs/hubfs/d_lock.jpg?width=220&name=d_lock.jpg)

 

###          Specifications

 

| SPECIFICATIONS |  |  |  |
| --- | --- | --- | --- |
|  | **2"** | ** 2 1/2"** | **3"** |
| FISHNECK O.D. | 1.375" | 1.812" | 2.312" |
| MAX O.D. | 1.840" | 2.281" | 2.844" |
| MINIMUM I.D. | .938" | 1.375" | 1.750" |
| BOTTOM THREAD | 1 5/16"-18 | 1 21/32"-14 | 2 1/8"-12 |
| RUNNING TOOL | 41D01200 | 41D01250 | 41D01300 |
| PULLING TOOLS | 40GS1200 | 40GS1250 | 40GS1300 |
| CORE EXTENSION | 40A00864 | 40A00892 | 40A00893 |

###          Assembly

 

| ASSEMBLY |  |  |  |
| --- | --- | --- | --- |
|  | **2"** | **2 1/2"** | **3"** |
| Part Number | 10D00200 | 10D00250 | 10D00300 |

###          Components

 

| COMPONENTS |  |  |  |
| --- | --- | --- | --- |
|  | **2"** | **2 1/2"** | **3"** |
| Fishneck | 10B00640 | 10B00650 | 10B00660 |
| Locking Sleeve | 10B00641 | 10B00651 | 10B00661 |
| Outer Sleeve | 10B00642 | 10B00652 | 10B00662 |
| Collet Lock | 10B00653 | 10B00663 | 10B00663 |
| Lock Mandrel | 10B00644 | 10B00654 | 10B00664 |
| Dog | (4) 10B00645 | (4) 10B00655 | (4) 10B00665 |
| O-Ring Cage | 10B00646 | 10B00656 | 10B00666 |
| Element | 97A00588 | 97A00575 | 97A00571 |
| Element Expander | 10B00647 | 10B00657 | 10B00667 |
| Packing Mandrel | 10B00648 | 10B00658 | 10B00668 |
| Spacer | 13A00924 | 13A01282 | 10B00669 |
| O-Ring | #218  | #223 | #228 |
| O-Ring | (2) #219 | (2) #224 | (2) #229 |
| Adapter Sub | 10B00649 | 10B00659 | 10B00670 |

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