---
title: Tools International - Adjustable Bow Spring Centralizer
description: Description, Specifications, Assembly and Components for the Tools International Adjustable Bow Spring Centralizer.
image: https://www.tools-int.com/hubfs/Locking%20C%20Mandrel-Feb-20-2022-06-42-29-85-PM.png
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# ADJUSTABLE BOW SPRING CENTRALIZER

#### Tools International Corp

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#### Description

#### Specifications

#### Assembly

#### Components

### Description

 

The Adjustable Wireline Centralizer comes in two models, one with a range from 1 1/2” to 8 1/2” O.D., and one with a range from 1 7/8” to 9” O.D. Through the use of an adjustment nut and coil spring, the O.D. of the centralizer springs can be adjusted to fit your specific application.

![adjustablebowstring](https://www.tools-int.com/hs-fs/hubfs/adjustablebowstring.jpg?width=238&name=adjustablebowstring.jpg)

 

### SPECIFICATIONS

 

| SPECIFICATIONS |  |  |
| --- | --- | --- |
|  | **1 1/2"** | **1 7/8"** |
| Fishneck O.D. | 1.375" | 1.375" |
| Pin & Box Connections | 15/16"-10 | 15/16"-10 |
| Max. O.D. | 1.500" | 1.875" |
| Bow Spring Range | 1 1/2" to 8 1/2" | 1 7/8" to 9" |
| Made Up Length | 45.750" | 45.750" |
| Locking Set Screws | (3) 1/4"-20 x 1/4" | (3) 1/4"-20 x 1/4" |
| Adjusting Set Screws | (2) 1/4"-20 x 3/16" | (2) 1/4"-20 x 3/16" |

### ASSEMBLY

 

### COMPONENTS

 

| ASSEMBLY |  |  |
| --- | --- | --- |
|  | **1 1/2"** | **1 7/8"** |
| Part Number | 65AC0150 | 65AC0178 |

| COMPONENTS |  |  |
| --- | --- | --- |
|  | **1 1/2"** | **1 7/8"** |
| Top Sub | 65AC1501 | 65AC1507 |
| Spring Carrier | (2) 65AC1502 | (2) 65AC1508 |
| Spring Retainer | (2) 65AC1503 | (2) 65AC1509 |
| Bottom Sub | 65AC1504 | 65AC1510 |
| Mandrel | 65AC1505 | 65AC1511 |
| Adjusting Nut | 65AC1506 | 65AC1512 |
| Bow Spring | (4) 90B00452 | (4) 90B00452 |
| Coil Spring | (2) 90A02002 | (2) 90A02003 |

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