rock drill oil for sale, brand-new and used.

For sale; foot (drill) yoke fits all Pionjar models and Atlas Cobra 148/149/248, Cobra-combi, Cobra standard and Chicago Redhawk. Not a genuine Atlas copco part. I have to replace just about every foot yoke on the pionjars I buy because they take so much abuse.

JACOBS 3/8" DRILL CHUCK W/ TAPERED SHAFT THD 5/8-16. THE TAPERED SHAFT IS ABOUT 1/2" AND TAPERS TO 9/16" AND IS 2-1/2" LONG TO WHERE THE TAPER ENDS. THE CHUCK TURN STIFF, PROBALY NEEDS MORE OIL OR CLEANING.

How It Works While the amazing Cold Weld™ Electronic Spark Deposition Technology is very simple in function, here is a technical overview to better explain the process. 10-300 volts of direct electric current (DC) is generated from 120 VAC (standard wall outlet current) and is stored in a series of capacitors within the equipment.

Drill size 7/8" to 1-3/8"   Used a couple of times with cutting oil still like brand new