Borit 4 3/4" Back Reamer Bit

COUPLING NEEDED (ORDER SEPARETLY) 3/4" X 1-1/4"

BIT DOES NOT COME COLORED AS SHOWN IN THE PICTURE 

**BLUE PAINT USED FOR PHOTOGRAPHY PURPOSES ONLY**

BITS MAY COME W/ RUST INHIBITOR COATING (ORANGISH / RED) OR NO COATING AT ALL DEPENDING ON PRODUCTION.

The Borit 4 3/4 inch Backreamer bit can be used after initial drilling with the 2 or 3 inch bit and used 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. 

  • Designed to be used after drilling with 2 or 3 inch schedule Borit bit.

 

Borit Tool FAQ »
Borit Tool Instructions »

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. Please review the Borit Pre-Use Instructions for more information.

 

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CUSTOMER REVIEWS

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4.9 Out of 5 | 14 Reviews
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D
Aug/18/2025
Donald Dunn filter
What is a Verified Buyer
A Verified Buyer is a user who has purchased the reviewed product through this website.
Replacement for Lost Bits

Lost the bits under a driveway and ordered replacement bits. Excellent tools and have used them often.

N
Jun/27/2024
neil furukawa filter
What is a Verified Buyer
A Verified Buyer is a user who has purchased the reviewed product through this website.
works good

used for a septic line under driveway 12 foot span

D
Feb/20/2024
Darren Conn filter
What is a Verified Buyer
A Verified Buyer is a user who has purchased the reviewed product through this website.
Reamer tool

This did the job, made the hole bigger going under concrete and pulling back , i would recommend this.

J
Jan/20/2024
James Draughn filter
What is a Verified Buyer
A Verified Buyer is a user who has purchased the reviewed product through this website.
Rugged and Tough

Well made tools to accomplish the job. Two 25 ft. 3"bores under asphalt driveway through clay and rock. Note: Read and follow all instructions, packings need tightening occasionally. Drill chuck statement is absolutely true. Recommended drill no longer available. Milwaukee 0299-20 1/2" drill works great with a true 1/2" chuck and 3 prong grounded plug. Very satisfied with purchase and quality. Purchased the 561K standard kit plus the 4 3/4" backreamer bit. Thanks Borit!.

K
Dec/30/2023
Kevin Scott filter
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A Verified Buyer is a user who has purchased the reviewed product through this website.
nice

solid

S
Jan/26/2023
Steven Keller filter
What is a Verified Buyer
A Verified Buyer is a user who has purchased the reviewed product through this website.
Great bits work every time

Needed to bore some holes for 4” pvc under some sidewalks worked every time

K
Dec/31/2022
Kevin Judy filter
What is a Verified Buyer
A Verified Buyer is a user who has purchased the reviewed product through this website.
Borit bit

Works great.

L
Nov/19/2022
Laura Bagano filter
What is a Verified Buyer
A Verified Buyer is a user who has purchased the reviewed product through this website.
Does the job

The 4” bit works great. Hardest part about using it is changing bits in the hole from the 2” to the 4”. Make sure you have 2 good size pipe wrenches on hand.

D
Jun/11/2022
Donnie Patton filter
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A Verified Buyer is a user who has purchased the reviewed product through this website.
Very good

Very good

T
Jun/10/2022
Tracy Boggess filter
What is a Verified Buyer
A Verified Buyer is a user who has purchased the reviewed product through this website.
borit

great tool

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Borit 4 3/4" Back Reamer Bit
Borit 4 3/4" Back Reamer Bit