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) |
---|---|---|---|
38 | AUG 10, 1991 | 01-343-3247 | 32591 ( BIT, ROCK DRILL ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3820-01-343-3247
Part Number | Cage Code | Manufacturer |
---|---|---|
V2-12-1/4 | 22023 | VAREL INTL INC |
L121 12 1/4 | 22023 | VAREL 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 DIAMETER | 12.2500 INCHES |
SPECIAL FEATURES | COMPRESSIVE STRENGTH 3000 TO 6000 PSI;DRILLING SPEED 50 TO 100 RPM |