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From stock boring bars to custom-engineered indexable holders — every tool precision-ground and inspection-certified.

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► Precision Boring Bars

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Boring Bars

JK-SP Series — Single Point Boring Bar

Precision ground single-point boring bar for bore finishing and semi-finishing. Ideal for automotive and general engineering applications.

Shank Diameter12–50 mm
Carbide GradeK20 / P20
Max L/D Ratio5:1
Surface FinishRa 0.4 μm

Boring Bars

JK-TP — Twin Cutter Boring Bar

Double-edged boring bar for rough boring of large diameter bores. Balanced design for vibration-free performance.

Bore Range40–200 mm
Carbide GradeK10 / P30
Shank25–75 mm
ToleranceH7

Boring Bars

JK-ADJ — Adjustable Boring Bar

Micrometer-adjustable boring bar with 0.02mm graduation. Suitable for fine bore sizing in tight-tolerance production work.

Adjustment Range±2.5 mm
Graduation0.02 mm
Shank Dia.20–50 mm
Insert TypeCCMT / DCMT
Popular

Carbide Tipped Tools

JK-CT — Right Hand Turning Tool

Brazed carbide tipped turning tool for steel, cast iron, stainless, and non-ferrous materials. Industry standard shank cross-sections.

Shank Size8×8 to 32×32 mm
Carbide GradeP10/P20/K20
StandardDIN 4971
CoatingUncoated / TiN

Carbide Tipped Tools

JK-CF — Carbide Facing Tool

Precision facing tool for flat surface finishing on lathe. Grade K10 tip for non-ferrous and cast iron. Mirror finish capability.

Shank Size10×10 to 25×25 mm
Carbide GradeK10
Nose Radius0.4 / 0.8 / 1.2 mm
Clearance Angle

HSS Tool Bits

JK-HSS — Square Tool Bits (M2 Grade)

High Speed Steel M2 grade square tool bits for general-purpose turning, parting, and threading. Ground to h10 tolerance.

Size Range4×4 to 25×25 mm
GradeM2 (T1)
Hardness63–65 HRC
Lengths50, 75, 100 mm

Indexable Insert Tools

JK-PCLNR — External Turning Holder

Precision-ground shank holder for CNMG inserts. Strong clamping, excellent insert repeatability. ISO code compatible.

Insert TypeCNMG 12/16
Shank Size16×16 to 32×32
Approach Angle95°
CoolantThrough-hole option

Milling Cutters

JK-FM — Indexable Face Milling Cutter

45° approach angle face mill for cast iron and steel. APKT inserts. High metal removal rate with excellent surface quality.

Cutter Dia.50, 63, 80, 100 mm
InsertAPKT 1604
No. of Inserts4–8
Bore / Shank22 / 27 mm

Drills & Reamers

JK-HSS — Jobber Drill Set (M2/M35)

Cobalt HSS jobber length drill set. 135° split-point for precise entry. DIN 338 standard. Packed in steel index case.

Size Range1–13 mm (25 pcs)
GradeM2 / M35 Cobalt
Point Angle135° Split Point
StandardDIN 338 / IS 5101

Custom Solutions

Can't Find What You Need?

We manufacture custom boring bars, special-form tools, and OEM tooling to your exact drawing or sample. Minimum order quantities are flexible for development batches.

Drawing to Part

Submit a DWG, PDF, or physical sample. We reverse-engineer and quote within 48 hours.

Grade Selection

Our engineers recommend optimal carbide grade and coating for your work material and application.

Get a Competitive Quote Today

All standard products available from stock. Custom tools in 10–15 working days. Export documentation included.