Is this product OK to use on clear acrylic like plexi-glass? Will it be difficult to wipe away after drilling? Or will is discolor the acrylic?

I don't think this cutting fluid is ideal for drilling plexi-glass, though it will work and will not discolor your material. It is an oil, so clean up would involve something to cut the oil film. Here is a link to a web site that details what drill bits you need to use (standard bits tend to "grab" the plexi-glass) , and they recommend either light machine oil, or just plain water. http://www.bertram31.com/proj/tips/drill_acrylic.htm

Hello....Would like to know if this product works for stainless steel, drilling and or tapping???...thanks...Bob

I've successfully drilled stainless steel burners on a grill with a carbide-tipped drill bit.

What's the shelf life of this product?

I have used this product for 35 years are more. The shelf life is a very long time as in several years, after being opened.

The description says this is pro tap but the picture is of the regular less expensive stuff???? Which is it??

I was sent the exact bottle pictured 4oz “Tap Magic EP-XTRA Cutting Fluid 20857 Part No. 10004E”. What the difference is between this one and the other with a different number I have no idea. This one has more the consistency of water than oil. The tap oil I’m use to using is more like thick gear oil, but this looked (judging from reviews and answers) like the one pro machinist use.

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Description

🔧 Cut smarter, not harder — the pro’s secret weapon!

COMPACT POWERHOUSE - 4 oz bottle fits neatly in your toolkit for on-the-go professional use.
TRUSTED FORNEY QUALITY - Backed by a brand known for durable, reliable industrial solutions.
VERSATILE METAL MASTERY - Perfect for tapping, threading, drilling, and reaming on all metal types.
HEAT RESISTANT PERFORMANCE - Withstands up to 300°C flash point for demanding industrial tasks.
PRECISION APPLICATION ZERO WASTE - Non-spray formula ensures fluid stays exactly where you need it.

Forney 20857 Tap Magic Industrial Pro Cutting Fluid is a 4 oz precision liquid designed for tapping, threading, drilling, and reaming on both ferrous and non-ferrous metals. Its non-spray formula prevents waste and mess, while a high 300°C flash point ensures safety and durability under intense heat. Compact and reliable, it’s the go-to cutting fluid for professionals demanding clean, efficient metalwork.

Specifications

Material	Aluminum
Brand	Forney
Package Information	Bottle
Liquid Volume	3.2 Fluid Ounces
Item Weight	0.3 Ounces
Recommended Uses For Product	Cutting oil
Flash Point	300 Degrees Celsius
Specific Uses For Product	Metal Cutting and Threading Processes
Item Form	Liquid
Global Trade Identification Number	00032277208575
Manufacturer	Forney
Unit Count	4.0 Fluid Ounces
UPC	032277208575
Number of Items	1
Model	FORNEY - 20857 - 4oz
Item Weight	0.3 ounces
Product Dimensions	4.5 x 2.25 x 1.38 inches
Item model number	FORNEY - 20857 - 4oz
Is Discontinued By Manufacturer	No
Manufacturer Part Number	20857
Special Features	Spray will not run

Reviews

Y**3

Must-have product

If you do any bolt extraction, this is a must have oil to keep your drill bit cool and sharp longer. I used to squirt random oil that I have on hand, but this is definitely very effective.

13.08.2025

R**N

Must have for drilling out broken bolts.

Used this to drill out a broken flywheel bolt. Drilled it out on the slow setting and it never got hot at all. This stuff is amazing. Drill bit still sharp is new also.

17.08.2025

D**

Works as it should. Wish they could make a thicker formula that was not so runny.

28.08.2025

L**N

Great Performance for Machining Jobs

This cutting fluid is fantastic! It works great for threading, drilling, and tapping. The lubrication reduces friction and keeps tools running smoothly. I noticed a significant improvement in both speed and accuracy while machining. Highly recommend it to anyone doing metalworking or repairs!

1.04.2025

R**A

Forney 20857 Tap Magic Industrial Pro Cutting Fluid, 4 oz

It lubricates very good, and it does not smell oily, it keeps drill bit temperature down.

19.08.2025

S**.

Great cutting oil

Great cutting oil. Good value nice size. Not sticky, slick and powerful. Not smellyWould recommend

28.05.2025

D**T

Good Stuff

Good stuff

21.07.2025

A**R

Drilling oil

Works great for drilling and good price, fast delivery

15.05.2025

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