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Grizzly H8301 - Internal Threading Boring Bar - 3/4" Shank, Left-hand

Marsoni M251S
Sale price$84.51
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Grizzly H8301 - Internal Threading Boring Bar - 3/4" Shank, Left-handH8301 3 4" Shank, Left Hand Internal Threading Boring Bar Boring bars made to exacting specifications for rigidity and reach. The H8301 Boring Bar allows you to thread internally right up to a shoulder or blind hole when a tap is not available. Right hand threads are generated from the inside to the outside while left hand threads start from the outside and cut in with the spindle in reverse. Not for use on lathes with threaded spindles. Inserts are
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4.5 ★★★★★
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Customer
Draper, US
★★★★★ 4
Does not work on Porsche 2015 S-E Hybrid
DOESNT WORK on Porsche 2015 S E-Hybrid
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
J
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Jules
Lake Worth, US
★★★★★ 5
Great
Perfect for my 2008 Cayenne S
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Reviewed in the United States on May 14, 2025
B
Verified Purchase
Brian and Susy
Waukegan, US
★★★★★ 1
Made in China? Really famous German brand Bosch?
Made in China? Really famous German brand Bosch? I would not have bought this filter for my Porsche Macan if I'd known it was made in China and would have bought a German-made Mann or Mahle filter like I have in the past.
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Reviewed in the United States on April 13, 2026
C
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CONSUMER I
Whiting, US
★★★★★ 5
Worked well.
Worked well.
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Reviewed in the United States on October 24, 2024
M
Verified Purchase
Mer dawg
Grantham, US
★★★★★ 5
Perfect fit
Good quality for Porsche. Easy to install.
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Reviewed in the United States on March 10, 2024

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