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Updated: 18 Jul 2025

Top 10 Boring Bars

#1
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ASZLBYM 5/8'' x 7'' Carbide Indexable Boring Bar Turning Tool Holder S16Q-MTJNR16 with 10pcs TNMG331 / TNMG160404 Indexable Carbide Turning Inserts

Brand: ASZLBYM
$29.99
⭐ 4.1
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    ★S16Q-MTJLNR16 boring bar : material is alloy steel, shank Diameter 5/8'' , overall Length 7'' ,cutting direction:right hand.
  • ★TNMG331 turning insert : material is carbide, coating is TIN, can be used to process stainless steel, cast iron, steel parts.
  • ★The carbide inserts and turning boring bar are packed in plastic containers, safe and easy to store .
  • ★Package : 1pc S16Q-MTJLNR16 boring bar + 10pcs TNMG331 carbide insert + 2pcs wrench
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#2
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OSCARBIDE 1"x12" Indexable Boring Bar, 1" Shank, RH Sclcr, 10pcs Carbide Inserts CCMT09T304(CCMT32.5), S16T-SCLCR3

Brand: OSCARBIDE
$72.99
⭐ 4.8
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    1" Shank Diameter, 12" Overall Length. RH (Right-Hand) Sclcr Boring Bar designed for optimal control and stability in internal machining tasks.
  • Solid carbide inserts with multilayer coating. Offers long tool life, faster cutting speeds, low friction, and excellent wear resistance.
  • Ideal for turning internal holes, reaming, copying, and semi-finishing existing holes. Compatible with boring machines and lathe machines.
  • CCMT09T304 (CCMT32.5) carbide inserts feature an 80° nose radius with negative 5° end and side cutting angles for smooth and efficient cutting.
  • 1 pc of 1" x 12" RH Sclcr Indexable Boring Bar with 10pcs carbide inserts (CCMT09T304, CCMT32.5). Packaged securely to ensure safe delivery.
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#3
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Zouzmin Mini Metal Lathe Tools Boring Bar Set 15/64in,9/32in,5/16in,3/8in shank Turning Tool holders with CCMT21.51 CCMT06 Boring Bar Replacement Carbide Turninng Inserts for steel

Brand: zouzmin
$29.88
⭐ 4.1
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    The tool holders and boring bars: 1/2in shank ,95 degrees cutting edge angle , cutting direction is right hand, much suitable for lathe turning tools,42CrMnTi substrate with blackened finished, high strength, high stiffness, good cushioning performance;
  • CCMT060204 CCMT21.51: 3/32" Thickness , 1/64" Radius,single sided, 80° indexable carbide insert,solid carbide with mutilayer coated;
  • Quality material:Lathe boring bar turning tools holder & indexable carbide insert blades are made of quality cemented carbide and tungsten steel, the blade is sturdy, low friction coefficient, wear-proof and stable
  • Designed for Stainless steel , Steel, cast iron and non-ferrous materials.Lathe boring bar often used for turning and finishing for steel, cast iron and non-ferrous materials. Simple structure, tight impact bolts, often used for small hole machining
  • Package Includes:4pcs boring bar(S06K-SCLCR06, S07K-SCLCR06, S08K-SCLCR06, and S10K-SCLCR06 Turning tool holders)+ 10pcs ccmt21.51 CCMT060204 turning inserts+10pcs screws + 4pcs wrenches
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#4
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OSCARBIDE 3/4" x 10" Indexable Boring Bar, Right-Hand SCLCR, CCMT09T304 Inserts, 1 Piece

Brand: OSCARBIDE
$39.99
⭐ 4.6
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    Right-hand SCLCR boring bar with a 3/4" shank diameter and 10" overall length, designed for heavy-duty machining tasks.
  • Made from high-quality solid carbide with a multilayer coating, offering long tool life, faster cutting speeds, low friction, and excellent wear resistance.
  • Ideal for turning internal holes, reaming, copying, and semi-finishing existing holes. Compatible with boring machines and lathe machines.
  • Features 80° carbide inserts with a negative 5° end and side cutting angle (CCMT09T304, CCMT32.5), optimized for precision and efficiency.
  • Replacement inserts available. Search for ASIN: B07W7PVWR1 to purchase compatible inserts.
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#5
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findmall 9 pcs 1/2" Boring Bar Set C6 Carbide Tipped Bars 1/2" Shank Lathe Tool Milling Tools Kit with Base

Brand: findmall
$20.30
⭐ 4.1
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    9 Piece boring bar set features C-6 carbide for use in harder materials but also works great in aluminum and other soft metals All shanks are held to 0.0000-0.0005" from the nominal diameter and made of special heat treated alloy steel. Shank Diameter- 1/2"
  • Contains: (3) pcs. 5/16" minimum bore (1 ea. 3/4" bore depth x 2-1/4" overall, 1 ea. 1-1/8" x 2-5/8", & 1 ea. 1-1/2" x 3")
  • Contains: (3) pcs. 7/16" minimum bore (1 ea. 1-1/8" bore depth x 2-5/8" overall, 1 ea. 1-11/16" x 3-3/16", & 1 ea. 2-1/4" x 3-3/4"), (3) pcs. 9/16" minimum bore (1 ea. 1-1/2" bore depth x 3" overall, 1 ea. 2-1/4" x 3-3/4", and 1 ea. 3" x 4-1/2")
  • Shank Diameter:1/2
  • 9 pcs Boring Bar Set
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#6
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iCarbide R8 Boring Head 2Inch and 1/2 Shank Boring Bar 6pcs Set (Inserts Included) 1/2" - 4"

Brand: iCarbide
$159.99
⭐ 4.1
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    R8 arbor and 2inch head included
  • 6 1/2 shank boring bars inlcuded
  • Inserts included TBGT 06 ,TPGT 09 ,TPCT1103
  • Min boring 3/8"
  • Max Boring 4"
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#7
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3PCS S08K/S10K/S12M- SDUCR07 95 Degree Internal Turning Boring Bar with 10pcs DCMT21.51 DCMT070204 Carbide Turning Inserts for Machining Steel Parts and Stainless Steel (Three Holder Set With Inserts)

Brand: LAHDYFHOE
$31.99
⭐ 4.2
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    ☞Material : DCMT2(1.5)1 carbide Inserts with CVD coating ,55 degree diamond turning inserts ,used for machining stainless steel and steel parts
  • ☞About the Internal Boring bars: 40Cr common steel with forging process , strong and durable ,95 degree right hand internal turning holder. Screw compression,easy to install and remove
  • ☞Advantage: Offer long life and faster cutting speed, low friction coefficient, good wear resistance Designed for Steel, cast iron and non-ferrous materials
  • ☞Application: The Minimum processing aperture is 3-5mm of the boring bar head diameter. Used for turning and finishing on a wide range of materials.
  • ☞Package includes: 3pcs Turning Boring Bars (S08K-SDUCR07 + S10K-SDUCR07 +S12M-SDUCR07 ) + 10pcs DCMT070204 Gold Carbide inserts + 3PCS T8 Wrenches
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#8
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Accusize Industrial Tools 1/2'' x 7'' Overall Length, Rh Sclcr Indexable Boring Bar with Ccmt32.5 Carbide Inserts, P252-S403

Brand: Accusize Industrial Tools
$36.12 ($38.02 / kg)
⭐ 4.4
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    Model Code: S08Q-SCLCR3; 1/2" Shank Diameter; include 1 piece CCMT32.5 insert; O.A.L: 7inch; Inerst Screw: M4x8
  • Using 80 degree carbide CCMT inserts negative 5 degree end and side cutting angle
  • Boring from light roughing to finishing in small bores; With 1 piece CCMT Carbide Inset and Key
  • Profiling bar for semi-finishing and finishing operations; Bar hardness approximately 45HRC; Extreme fine gloss finish
  • Negative 5 degree end & side cutting angle; Positive 80 degree diamond CCMT inserts
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#9
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ASZLBYM 3/4" Lathe Internal Boring Bar Turning Tool Holder S20R-MWLNR08 with Indexable Carbide Turning Insert WNMG432

Brand: ASZLBYM
$39.99
⭐ 4.4
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    [Package Included]: 1pc S20R-MWLNR08 boring bar + 10pcs WNMG080408 CNC inserts + 1pcs wrench
  • [S20R-MWLNR08 boring bar]: The turning tool bar is made of high-quality alloy steel with Nickel Cotated, good toughness, high hardness, strong wear resistance, durable.
  • [WNMG080408 CNC inserts]:Inserts made of carbide, coated with TiN, for finishing and semi-finishing work, with high hardness, low friction coefficient, good wear resistance and chemical stability for more solidity and precise positioning.
  • [Product specifications]: Cutter direction:Positive cutter, right . Size:Shank diameter 3/4“/20 mm, length 8”/200 mm.platen:HL1810, spanner L3.
  • Our company specializes in providing customers with various indexable CNC inserts for high-precision turning, milling, drilling, grooving and threading and supporting high-precision cutting tools.
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#10
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14 Pieces Lathe Boring Bar Set 4 Pcs 95 Degree S07K/ S08K/ S10K/ S12M-SCLCR06 Lathe Boring Internal Turning Bar Holder with 10 CCMT0602 Carbide Inserts and 4 Pieces Wrench

Brand: Honoson
$30.49
⭐ 4.1
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    Package includes: you will receive 4 pieces SCLCR06 lathe boring bar turning tools holders, including a S07K-SCLCR06, a S08K-SCLCR06, a S10K-SCLCR06 and a S12M-SCLCR06, 10 pieces CCMT0602, metal indexable turning insert blades, sufficient quantity and easy to replace
  • Quality material: lathe boring bar turning tools holder are made of quality cemented carbide and tungsten steel; The cemented carbide material makes the turning tool durable and adaptable; Indexable carbide turning insert blades are made of cemented carbide and use PVD coating, the blade is sturdy, low friction coefficient, wear-proof and stable
  • Suitable size: the diameter of the S07K/ S08K/ S10K handle is 4.92 inches/ 125 mm, S12M-SCLCR06 is 5.9 inches/ 150 mm; cutting angle is 95 degree, cutting direction is right hand; Applicable machine tool is lathe; Each tool holder has a black oxidized smooth surface, and the tool hardness (HRC up and down 48 degrees) and has nice accuracy
  • Easy to store: insert 10 pieces of cemented carbide into a boxes, and put them in a plastic container, safe and easy to store, compatible with SCLCR06 lathe boring bar turning tools holders; Tight impact bolts, simple structure, often applied for small hole processing
  • Note: due to the slight color change of manual measurement and different display settings, please allow a difference of 1-3 cm; Due to the difference between different monitors, the picture may not reflect the actual color of the item
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