---
product_id: 42038532
title: "SF 7649 Primer and Cleaner"
brand: "loctite"
price: "R1384"
currency: ZAR
in_stock: true
category: "Loctite"
url: https://www.desertcart.co.za/products/42038532-sf-7649-primer-and-cleaner
store_origin: ZA
region: South Africa
---

# Long on-part life Optimizes anaerobic adhesive curing Effective below 15°C SF 7649 Primer and Cleaner

**Brand:** loctite
**Price:** R1384
**Availability:** ✅ In Stock

## Summary

> 🔗 Lock it tight, last all night — primer that means business.

## Quick Answers

- **What is this?** SF 7649 Primer and Cleaner by loctite
- **How much does it cost?** R1384 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/42038532-sf-7649-primer-and-cleaner)

## Best For

- loctite enthusiasts

## Why This Product

- Trusted loctite brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted by Pros:** Highly rated by mechanics and industry experts for unbeatable thread-locking performance.
- • **Cold-Weather Champion:** Performs flawlessly even in chilly environments below 15°C—no downtime, no worries.
- • **Surface-Ready Perfection:** Primes and cleans metal surfaces down to bare metal for maximum bond strength.
- • **Extended Durability Boost:** Ensures your bonds stay rock-solid longer with unmatched on-part life.
- • **Accelerated Adhesive Activation:** Speeds up curing of anaerobic adhesives for faster, reliable assembly.

## Overview

Loctite SF 7649 Primer and Cleaner is a solvent-based liquid designed to enhance the curing speed and strength of anaerobic adhesives on passive metals and inert surfaces. With a long on-part life and reliable performance at temperatures below 15°C, it ensures superior bond durability and water resistance, making it the go-to primer for professional-grade metal bonding and thread locking.

## Description

LOCTITE® SF 7649 is designed to promote the curing speed of LOCTITE anaerobic adhesives and sealants without any significant loss of joint strength. It is especially recommended for applications with passive metals or inert surfaces and with large bond gaps. LOCTITE SF 7649 offers good performance at low cure temperatures, and is recommended when the application temperature is below 15°C.

## Features

- A solvent-based primer that features very long on-part life

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000HZJEF0 |
| Age Range Description | Adult |
| Best Sellers Rank | #553,123 in Automotive ( See Top 100 in Automotive ) #175 in Automotive Primers |
| Brand Name | Loctite |
| Color | Clear |
| Color Code | 000000 |
| Container Type | Can |
| Coverage | 25 |
| Customer Reviews | 4.8 4.8 out of 5 stars (40) |
| Finish Type | Satin |
| Included Components | bottle |
| Item Form | Liquid |
| Item Volume | 4.5 Fluid Ounces |
| Item Weight | 4.8 Ounces |
| Manufacturer | Loctite |
| Model Number | 21348 |
| Part Number | 21348 |
| Size | 4.5 Fl Oz (Pack of 1) |
| Special Features | Long On-Part Life, Low Temperature Functionality |
| Specific Uses For Product | primer |
| Surface Recommendation | Metal |
| Unit Count | 4.5 Fluid Ounces |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Loctite
- **Color:** Clear
- **Finish Type:** Satin
- **Item Form:** Liquid
- **Item Volume:** 4.5 Fluid Ounces
- **Size:** 4.5 Fl Oz (Pack of 1)
- **Special Feature:** Long On-Part Life, Low Temperature Functionality
- **Specific Uses For Product:** primer
- **Surface Recommendation:** Metal
- **Unit Count:** 4.5 Fluid Ounces

## Images

![SF 7649 Primer and Cleaner - Image 1](https://m.media-amazon.com/images/I/416FmqWWhkL.jpg)

## Questions & Answers

**Q: Is there a less expensive substitute (acetone for example)?**
A: I’m not sure if there’s any substitutes all I know is Loctite is an industry standard and it works good

## Frequently Bought Together

- Loctite SF 7649 Primer and Cleaner
- ESKONKE Retaining Compound Green 638 Sleeve Retainer High Strength Cylindrical Metal Components Assemblies Locking and Sealing Anaerobic Glue 1.69 Oz/50 ml

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**Shop now:** [https://www.desertcart.co.za/products/42038532-sf-7649-primer-and-cleaner](https://www.desertcart.co.za/products/42038532-sf-7649-primer-and-cleaner)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-06-24*