NSN 3820-01-343-3247

Part Details | ROCK DRILL BIT

3820-01-343-3247 A detachable, end cutting drilling tool with an internal thread or tapered socket at one end for attaching a rock drill rod. The opposite end is designed with two or more cutting edges for drilling into rock formation by impact and a slight rotary motion. It contains a hole or holes in the cutting for the purpose of conducting air or water to clear the hole being drilled. It is used with powered drifter drills, sinker drills, and the like.

Alternate Parts: V21214, V2-12-1/4, L121 12 14, L121 12 1/4, 3820-01-343-3247, 01-343-3247, 3820013433247, 013433247

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
38AUG 10, 199101-343-324732591 ( BIT, ROCK DRILL )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3820-01-343-3247
Part Number Cage Code Manufacturer
V2-12-1/422023VAREL INTL INC
L121 12 1/422023VAREL INTL INC
Technical Data | NSN 3820-01-343-3247
Characteristic Specifications
MATERIAL ANY ACCEPTABLE
CUTTING END TYPE ANY ACCEPTABLE
ATTACHMENT METHOD THREADED BOTTOM DRIVE
DRILLED HOLE DIAMETER12.2500 INCHES
SPECIAL FEATURESCOMPRESSIVE STRENGTH 3000 TO 6000 PSI;DRILLING SPEED 50 TO 100 RPM