FOR 6" BITS & LARGER YOU MUST USE A 3/4" OR LARGER DRILL
BITS COME W/ RUST INHIBITOR COATING (ORANGISH / RED) OR NO COATING AT ALL DEPENDING ON PRODUCTION.
The Borit 8" Forward Boring Bit can be used after initial forward drilling with the 2 or 3 inch bit and then back reaming with the 4 3/4 inch bit then forward boring with the 8" Bit. Use for clearing a run for easier pipe insertion. It is manufactured in the United States and designed to back ream through most soils with ease.
When Using the 4 3/4 inch Backreamer you must first drill through with the 2 or 3 inch bit. After you have drilled through remove the bit used and attach the 4 3/4 inch Backreamer and pull it back through, then push the 6" Bit back thru. Please review the Borit Pre-Use Instructions for more information.