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Holders & Sets


APT Brand - Made in USA
  • Inserts can be indexed and replaced without loss of hole side or depth
  • Made of tempered alloy steel for rigidity
  • Cartridges are hardened and ground to precision accuracy
  • Uses standard 3/8" I.C. Triangle Inserts
  • Available in 4 different shank sizes
  • 3 different cartridges - 3 different lead angles - all interchangeable!

APT Brand, Tri-Lead Indexable Boring Bars

Displaying products 1 - 17 of 17 results
Tri-Lead 1-1/16" Bore x 4" OAL x 3/4" Shank
Price: $72.60
Tri-Lead 1-1/16" Bore x 4" OAL x 3/4" Shank
#TL344. 1-1/16" Minimum Bore, 11/16" Distance Across Flats, 11/16" Center to Sharp Point, 4" OAL with 3/4" Shank, Tri-Lead Indexable Boring Bar. Click on "more info" for tool details.
Tri-Lead 1-1/16" Bore x 5-1/2" OAL x 3/4" Shank
Price: $80.00
Tri-Lead 1-1/16" Bore x 5-1/2" OAL x 3/4" Shank
#TL345. 1-1/16" Minimum Bore, 11/16" Distance Across Flats, 11/16" Center to Sharp Point, 5-1/2" OAL with 3/4" Shank, Tri-Lead Indexable Boring Bar. Click on "more info" for tool details.
Tri-Lead 1-1/16" Bore x 7" OAL x 3/4" Shank
Price: $87.00
Tri-Lead 1-1/16" Bore x 7" OAL x 3/4" Shank
#TL346. 1-1/16" Minimum Bore, 11/16" Distance Across Flats, 11/16" Center to Sharp Point, 7" OAL with 3/4" Shank, Tri-Lead Indexable Boring Bar. Click on "more info" for tool details.
Tri-Lead 1-1/16" Bore x 10" OAL x 3/4" Shank
Price: $101.50
Tri-Lead 1-1/16" Bore x 10" OAL x 3/4" Shank
#TL347. 1-1/16" Minimum Bore, 11/16" Distance Across Flats, 11/16" Center to Sharp Point, 10" OAL with 3/4" Shank, Tri-Lead Indexable Boring Bar. Click on "more info" for tool details.
Tri-Lead 1-1/4" Bore x 4" OAL x 1" Shank
Price: $91.90
Tri-Lead 1-1/4" Bore x 4" OAL x 1" Shank
#TL105. 1-1/4" Minimum Bore, 7/8" Distance Across Flats, 3/4" Center to Sharp Point, 4" OAL with 1" Shank, Tri-Lead Indexable Boring Bar. Click on "more info" for tool details.
Tri-Lead 1-1/4" Bore x 7" OAL x 1" Shank
Price: $99.00
Tri-Lead 1-1/4" Bore x 7" OAL x 1" Shank
#TL106. 1-1/4" Minimum Bore, 7/8" Distance Across Flats, 3/4" Center to Sharp Point, 7" OAL with 1" Shank, Tri-Lead Indexable Boring Bar. Click on "more info" for tool details.
Tri-Lead 1-1/4" Bore x 9" OAL x 1" Shank
Price: $106.50
Tri-Lead 1-1/4" Bore x 9" OAL x 1" Shank
#TL107. 1-1/4" Minimum Bore, 7/8" Distance Across Flats, 3/4" Center to Sharp Point, 9" OAL with 1" Shank, Tri-Lead Indexable Boring Bar. Click on "more info" for tool details.
Tri-Lead 1-1/4" Bore x 12" OAL x 1" Shank
Price: $122.65
Tri-Lead 1-1/4" Bore x 12" OAL x 1" Shank
#TL108. 1-1/4" Minimum Bore, 7/8" Distance Across Flats, 3/4" Center to Sharp Point, 12" OAL with 1" Shank, Tri-Lead Indexable Boring Bar. Click on "more info" for tool details.
Tri-Lead 1-1/2" Bore x 6-1/2" OAL x 1-1/4" Shank
Price: $110.85
Tri-Lead 1-1/2" Bore x 6-1/2" OAL x 1-1/4" Shank
#TL125. 1-1/2" Minimum Bore, 1-1/8" Distance Across Flats, 13/16" Center to Sharp Point, 6-1/2" OAL with 1-1/4" Shank, Tri-Lead Indexable Boring Bar. Click on "more info" for tool details.
Tri-Lead 1-1/2" Bore x 9" OAL x 1-1/4" Shank
Price: $123.00
Tri-Lead 1-1/2" Bore x 9" OAL x 1-1/4" Shank
#TL126. 1-1/2" Minimum Bore, 1-1/8" Distance Across Flats, 13/16" Center to Sharp Point, 9" OAL with 1-1/4" Shank, Tri-Lead Indexable Boring Bar. Click on "more info" for tool details.
Tri-Lead 1-1/2" Bore x 11-1/2" OAL x 1-1/4" Shank
Price: $135.15
Tri-Lead 1-1/2" Bore x 11-1/2" OAL x 1-1/4" Shank
#TL127. 1-1/2" Minimum Bore, 1-1/8" Distance Across Flats, 13/16" Center to Sharp Point, 11-1/2" OAL with 1-1/4" Shank, Tri-Lead Indexable Boring Bar. Click on "more info" for tool details.
Tri-Lead 1-1/2" Bore x 15" OAL x 1-1/4" Shank
Price: $154.60
Tri-Lead 1-1/2" Bore x 15" OAL x 1-1/4" Shank
#TL128. 1-1/2" Minimum Bore, 1-1/8" Distance Across Flats, 13/16" Center to Sharp Point, 15" OAL with 1-1/4" Shank, Tri-Lead Indexable Boring Bar. Click on "more info" for tool details.
Tri-Lead 1-3/4" Bore x 15" OAL x 1-1/2" Shank
Price: $194.35
Tri-Lead 1-3/4" Bore x 15" OAL x 1-1/2" Shank
#TL138. 1-3/4" Minimum Bore, 1-1/4" Distance Across Flats, 1" Center to Sharp Point, 15" OAL with 1-1/2" Shank, Tri-Lead Indexable Boring Bar. Click on "more info" for tool details.
Tri-Lead 3 piece set with 3/4" Shank
Price: $235.00
Tri-Lead 3 piece set with 3/4" Shank
#TL348. 3 piece set Contains 1 piece each of: TL344, TL345 & TL346 Tri-Lead Indexable Boring Bars. Click on "more info" for tool details.
Tri-Lead 3 piece set with 1" Shank
Price: $295.00
Tri-Lead 3 piece set with 1" Shank
#TL109. 3 piece set Contains 1 piece each of: TL105, TL106 & TL107 Tri-Lead Indexable Boring Bars. Click on "more info" for tool details.
Tri-Lead 3 piece set with 1-1/4" Shank
Price: $365.00
Tri-Lead 3 piece set with 1-1/4" Shank
#TL129. 3 piece set Contains 1 piece each of: TL125, TL126 & TL127 Tri-Lead Indexable Boring Bars. Click on "more info" for tool details.
Tri-Lead 3 piece set with 3/4", 1", & 1-1/4" Shank
Price: $299.00
Tri-Lead 3 piece set with 3/4", 1", & 1-1/4" Shank
#TL130. 3 piece set Contains 1 piece each of: TL345, TL106 & TL126 Tri-Lead Indexable Boring Bars. Click on "more info" for tool details.
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