---
title: "HI-LO FIT-UP Welding Gauge"
id: "20058"
type: "product"
slug: "hi-lo-fit-up-welding-gauge"
published_at: "2025-09-22T15:34:12+00:00"
modified_at: "2025-11-05T15:47:14+00:00"
url: "https://sglonline.co.uk/product/hi-lo-fit-up-welding-gauge/"
markdown_url: "https://sglonline.co.uk/product/hi-lo-fit-up-welding-gauge.md"
excerpt: "HI-LO Fit-Up Welding Gauge The HI-LO Fit-Up Welding Gauge is a precision inspection tool engineered to ensure accurate pipe alignment and weld quality in fabrication, pipeline, and structural welding applications. Featuring both imperial and metric scales, it provides fast, reliable..."
taxonomy_product_type:
  - "simple"
taxonomy_product_cat:
  - "MIG Accessories"
---

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[MIG Accessories](https://sglonline.co.uk/product-category/mig-welding/mig-accessories/)

# HI-LO FIT-UP Welding Gauge

Earn 39 points with this purchase

£39.00£46.80 Exc VATInc VAT

Collection or Next Day Delivery Available. Dispatches in:

SKU: MG-HILOCategory: [MIG Accessories](https://sglonline.co.uk/product-category/mig-welding/mig-accessories/)

- [Description](#tab-description)
- [Reviews (0)](#tab-reviews)

## **HI-LO Fit-Up Welding Gauge**

The **HI-LO Fit-Up Welding Gauge** is a precision inspection tool engineered to ensure accurate pipe alignment and weld quality in fabrication, pipeline, and structural welding applications. Featuring both **imperial and metric scales**, it provides fast, reliable measurement of essential welding parameters, helping professionals achieve high-quality, compliant welds.

This versatile gauge measures **pipe misalignment (internal and external)**, **crown height (0–1/4”)**, **fillet leg size**, **pipe wall thickness**, and **porosity hole size** (1/8” and 1/16”). It also includes a **defect scale** for assessing the number of imperfections per inch — allowing inspectors and welders to identify alignment and weld defects early, preventing costly rework.

Compact, durable, and easy to use, the HI-LO Gauge is an essential tool for **pipefitters, welding inspectors, and QA/QC engineers**, ensuring consistent fit-up accuracy and weld integrity in both workshop and field environments.

### **Key Features**

- Dual **imperial & metric scales** for universal application
- **Crown height range:** 0–1/4″
- Measures **pipe misalignment**, internal & external joints
- Checks **fillet leg height** and **pipe wall thickness**
- **Porosity comparator**: 1/8” and 1/16” hole sizes
- Includes **defect scale** for assessing porosity frequency
- **Precision-engineered construction** for repeatable accuracy
- **Compact and portable** – ideal for site and workshop use

### **Typical Applications**

- Pipefit-up inspection and weld alignment checks
- Quality assurance and welding inspection (QA/QC)
- Fabrication and pipeline construction
- Shipbuilding, oil & gas, and heavy industry

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