# LC3-640 Lubri-Cut Heavy Duty, Semi-Synthetic

Date: 2026-11-04

Canonical HTML URL: https://lubriloy.com/blog/lubri-cut-heavy-duty-semi-synthetic-lc3-640

Cutting fluids · 2026-11-04

[Buy direct from Lubri-Loy - free shipping: LC3-640](https://lubriloy.com/products/lc3-640)

Lubri-Loy LC3-640 is Lubri-Cut Heavy Duty, Semi-Synthetic cutting fluid in a 5 gal size, with catalog reference 35300. This factory-order item is backed by Lubri-Loy's commitment to quality lubricants blended in the USA since 1949.

[View Lubri-Cut Heavy Duty, Semi-Synthetic, 5 gal / LC3-640](https://lubriloy.com/products/lc3-640)

## Product specification summary

- **Catalog No.:** LC3-640

- **Product:** Lubri-Cut Heavy Duty, Semi-Synthetic

- **Catalog reference:** 35300

- **Size:** 5 gal

- **Availability:** Factory order

## Identify the LC3-640 cutting fluid

LC3-640 identifies the 5 gal size of Lubri-Cut Heavy Duty, Semi-Synthetic. The catalog reference is 35300.

Use the complete catalog number LC3-640 when discussing this heavy-duty semi-synthetic cutting fluid with Lubri-Loy so your inquiry identifies the intended product and size.

## Lubri-Loy quality, blended in the USA since 1949

Lubri-Loy has blended quality lubricants in the USA since 1949. Lubri-Cut Heavy Duty, Semi-Synthetic is part of that product offering.

Buying directly from Lubri-Loy connects you with the company for questions about LC3-640 and ordering its 5 gal size.

## Buy LC3-640 directly from Lubri-Loy

Visit the LC3-640 product page on lubriloy.com to review direct-purchase options for Lubri-Cut Heavy Duty, Semi-Synthetic, 5 gal.

LC3-640 is a factory-order item. Contact Lubri-Loy about ordering and availability using the complete catalog number. The buy-direct links near the top and end of this article lead to the exact product page.

[View Lubri-Cut Heavy Duty, Semi-Synthetic, 5 gal / LC3-640](https://lubriloy.com/products/lc3-640)

## Frequently asked questions

### What is LC3-640?

LC3-640 is Lubri-Loy Lubri-Cut Heavy Duty, Semi-Synthetic cutting fluid in a 5 gal size, with catalog reference 35300.

### Is LC3-640 a factory-order item?

Yes. Contact Lubri-Loy about ordering this factory-order product using catalog number LC3-640.

### How can I buy this product from Lubri-Loy?

Open the matching Lubri-Loy product page. Use Add to cart or Buy now when available, or Request a quote for quote-only products. Direct orders include free shipping within the US.

Based only on the supplied LC3-640 facts: Lubri-Cut Heavy Duty, Semi-Synthetic cutting fluid, catalog reference 35300, 5 gal size, factory order, listing item 03260271, and Lubri-Loy quality lubricants blended in the USA since 1949.

[Matching product page](https://lubriloy.com/products/lc3-640) · [All product guides](https://lubriloy.com/blog/product-guides)

[Buy direct from Lubri-Loy - free shipping: LC3-640](https://lubriloy.com/products/lc3-640)

Other ways to buy: [Also available on Motion](https://www.motion.com/products/sku/03260271)