Top 10 Best boring bar in 2026

Last Updated - 6/17/2026

🏆Best Choice

Accusize Industrial Tools

Accusize Industrial Tools 1/2'' x 7'' Overall Length, Rh Sclcr Indexable Boring Bar with Ccmt32.5 Carbide Inserts, P252-S403

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•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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$32.51

$36.12

-10%

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Accusize Industrial Tools

Accusize Industrial Tools 3/8'' x 6'' Overall Length, Rh Sclcr Indexable Boring Bar with Ccmt21.5 Carbide Inserts, P252-S401

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Using 80 degree carbide CCMT inserts negative 5 degree end and side cutting angle
•Boring from light roughing to finishing in small bores
•Profiling bar for semi-finishing and finishing operations
•Bar hardness approximately 45HRC
•Extreme fine gloss finish

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$30.19

$33.54

-10%

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Honoson

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

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•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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$30.49

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iCarbide

iCarbide R8 Boring Head 2Inch and 1/2 Shank Boring Bar 6pcs Set (Inserts Included) 1/2" - 4"

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•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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$159.99

$169.99

-6%

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ASZLBYM

ASZLBYM 3/4" Lathe Internal Boring Bar Turning Tool Holder S20R-MWLNR08 with Indexable Carbide Turning Insert WNMG432

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•[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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$39.99

$48.00

-17%

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OSCARBIDE

OSCARBIDE 3/4" x 10" Indexable Boring Bar, Right-Hand SCLCR, CCMT09T304(CCMT31.5) Carbide Inserts, 1 Piece

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•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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$39.99

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ASZLBYM

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

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•★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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$29.99

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CLAHJQX

Lathe Boring Bar Set 3pcs S07K/S10K/S12M Turning Boring Bar with 10pcs CCMT060204 Carbide Inserts, Black Inserts CNC Metal Lathe Tool Holder

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Includes: 1pcs S07K turning boring bar, 1pcs S10K turning boring bar, 1pcs S12M turning boring bar,10pcs CCMT060204 barbide Inserts, 3pcs wrenches
•Material: Carbide lathe tools holder are made of 40Cr steel, have the characteristics of durability, sturdiness and stability, and good anti-rust
•Lathe Turning Tool: Mini boring bars offer long life and faster cutting speed, low friction coefficient, good wear resistance
•Boring Bar: Boring bar sets are used for turning and finishing on a wide range of materials
•Application: Metal lathe boring bar can used for processing steel,suitable for steel, cast iron and non-ferrous materials

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$18.99

$26.99

-30%

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findmall

findmall 9 pcs 1/2" Boring Bar Set C6 Carbide Tipped Bars 1/2" Shank Lathe Tool Milling Tools Kit with Base

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•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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$19.34

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YUFUTOL

YUFUTOL 1/2" Lathe Internal Boring Bar, Right-Hand Sclcr Turning Tool Holder with 10 Pcs Indexable Carbide Turning Inserts CCMT09T304(CCMT32.5)

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Shank Diameter: 1/2", Overall Length: 7”, Cutting direction：right hand
•Package : 1pc SCLCR boring bar, 10 pcs CCMT09T304 (CCMT32.5) carbide inserts , 1pc wrench.
•The turning tool bar is made of high-quality alloy steel, which can effectively improve the wear resistance, corrosion resistance and stability of the turning tool bar, for long time use.
•Inserts are made of carbide and the coating material is TiN ,it can be used for finishing or semi finishing steel ,the inserts has high hardness, low friction
•Used for Turning internal hole, reaming, copying,etc. Specially used for semi-finishing on the existing hole cutter,fit boring machine, lathe machine

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$46.99

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