S25S-SCKCR12 Internal Boring Bar for CNC lathe processing- Alloy Steel | 25mm Diameter
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Overview:
Introducing the S25S-SCKCR12 Internal Boring Bar Holder, crafted from robust alloy steel with a precise 75° cutting edge angle and 7° relief angle. Ideal for CNC machine tools and lathes, this tool holder supports a variety of CCMT carbide inserts for versatile cutting applications.
Detail Page:
- Tool Holder Type: Internal Boring Bar Holder
- Tool Cutting Edge Angle: 75°
- Relief Angle of Blade: 7°
- Material: Alloy Steel
- Model: S25S-SCKCR12
- Handle Diameter: 25mm
- Total Length: 250mm
- Length of Cutting Blade: 12mm
- Screw: M5*10
- Wrench: T20
- Blade Compatibility: CCMT120404, CCMT120408, CMT120412, CCMT431, CCMT432, CCMT433
5-Point Description:
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Precision Machining: Designed for accurate internal turning operations with a precise 75° cutting edge angle and 7° relief angle.
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Durable Build: Constructed from high-quality alloy steel, ensuring strength and reliability in industrial applications.
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Versatile Blade Options: Compatible with various CCMT carbide inserts including CCMT120404, CCMT120408, CMT120412, CCMT431, CCMT432, CCMT433, offering flexibility for different machining needs.
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Application: Mainly used in CNC machine tools and lathes, optimizing performance in boring bar setups.
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Ease of Use: Includes M5*10 screws and a T20 wrench for easy installation and maintenance, facilitating efficient machining operations.
S25S-SCKCR12 Internal Boring Bar Tool Holder Alloy Steel S25S SCKCR12 boring bar tool
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Specifications and Dimensions of S25S-SCKCR12
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CCMT Blade Compatibility
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CNC Machine Tools
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75° Cutting Edge Angle
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Alloy Steel Construction
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S-Type Model
Application:
Ideal for CNC machine tools and lathes, specifically designed for internal turning tasks in industries such as automotive, aerospace, and general manufacturing.
Advantages:
- Precision Machining: 75° cutting edge angle and 7° blade relief angle for accurate internal turning operations.
- Durability: Made from high-quality alloy steel, ensuring long-term performance.
- Versatility: Compatible with multiple CCMT carbide inserts, providing flexibility across various materials.
- Easy Installation: Includes M5*10 screw and T20 wrench for convenient setup on CNC lathes.
- Wide Application: Suitable for achieving high-quality results in industries requiring precise internal turning operations.
Reasons for Choosing:
Selected for its robust construction, precise machining angles, versatility with CCMT inserts, ease of maintenance with included wrench, and suitability for high-precision CNC applications.


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Technical FAQ & Buying Guide
When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.
For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.
Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.
Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.
Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.
According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.
