CARBOLOY SI-MCLNR-20-4H Indexable Boring Bar Usip

( Brand: Carboloy ), ( Manufacturer Part Number: SI-MCLNR-20-4H ), ( Part Type: Bar )

Review CARBOLOY Indexable Boring Bar Usip

Introducing the Carboloy SI-MCLNR-20-4H Indexable Boring Bar USIP, a high-performance tool engineered for precision bore cutting applications. This indexable boring bar is manufactured by Carboloy, a leading name in the production of indexable carbide cutting tools.

The SI-MCLNR-20-4H Indexable Boring Bar USIP is designed with a 20 mm shank diameter and a 4-flute, 4-corner design. The USIP (Under-Shroud Indexable Platform) geometry ensures maximum chip evacuation and longer tool life, making it an ideal choice for heavy-duty machining tasks.

The boring bar's body is made of high-quality Carboloy C4 cemented carbide, which offers excellent wear resistance, high strength, and toughness. The cutting edges are made of premium grade, micro-grain carbide, which provides superior cutting performance and prevents chipping and wear.

This indexable boring bar features a precision ground bore, which ensures accurate and consistent bore sizes. The bore diameter ranges from 25.4 mm to 152.4 mm (1.000" to 6.000"), depending on the specific application requirement. The bar's length ranges from 150 mm to 450 mm (6.000" to 17.720"), allowing flexibility to suit various machining setups.

The SI-MCLNR-20-4H Indexable Boring Bar USIP comes with a set of indexable inserts, which can be easily replaced when worn out. The inserts are held in place by a robust clamping system that ensures secure insert retention and accurate indexing.

This indexable boring bar is designed to run at high cutting speeds, making it a productive solution for machining large volumes of material. Its robust design and superior quality materials make it capable of handling tough materials, including hardened steels, titanium alloys, and other challenging materials.

In summary, the Carboloy SI-MCLNR-20-4H Indexable Boring Bar USIP is a high-performance tool that offers excellent cutting performance, wear resistance, and accuracy for bore cutting applications. Its USIP design, premium quality materials, and precision ground bore make it a top choice for machinists seeking efficient and reliable solutions for their bore cutting needs.

Carboloy SI-MCLNR-20-4H indexable boring bars are a type of cutting tool used for creating exact circular holes in metals. These boring bars are coated with Carboloy, a type of high-speed steel, and feature indexable inserts that can be replaced when they wear out. Here are some pros and cons of using Carboloy SI-MCLNR-20-4H indexable boring bars:

1. Increased productivity: With indexable inserts, multiple holes can be drilled using the same boring bar without the need for regrinding or replacing the entire bar, saving time and effort.

2. Improved accuracy: The precision-ground and lapped boring bar bodies ensure consistent hole location, size, and shape.

3. Longer tool life: The high-speed steel coating and indexable inserts provide improved wear resistance, allowing for longer tool life and fewer replacements.

4. Cost-effective: The ability to replace only the worn-out inserts instead of the entire boring bar makes these tools a cost-effective solution for high-volume manufacturing.

1. Higher upfront cost: The initial investment for Carboloy SI-MCLNR-20-4H indexable boring bars can be higher than that of solid boring bars due to the cost of the indexable inserts.

2. Requires frequent insert changes: As the inserts wear out, they need to be replaced, which can be a time-consuming process.

3. Limited material compatibility: Carboloy SI-MCLNR-20-4H indexable boring bars may not be suitable for all materials, and their effectiveness can vary depending on the specific material properties.

Carboloy SI-MCLNR-20-4H indexable boring bars offer increased productivity, improved accuracy, longer tool life, and cost savings through the replacement of worn-out inserts. However, they come with a higher upfront cost and the need for frequent insert changes. If your manufacturing process requires drilling a large number of holes in a variety of materials, these boring bars can be a worthwhile investment. On the other hand, if you primarily work with one material or only require a few holes, a solid boring bar may be a more cost-effective solution. Ultimately, the decision to use Carboloy SI-MCLNR-20-4H indexable boring bars depends on the specific requirements of your manufacturing process.

Details:

Special Instructions. Manufacturer Part Number: SI-MCLNR-20-4H. Carboloy SI-MCLNR-20-4H Indexable Boring Bar, Through Coolant, 1.25 Inch Shank. 2-Year MRO Shield Protection Plan Included.

Carboloy SI-MCLNR-20-4H Indexable Boring Bar Manufactured by CARBOLOY. Most items are in stock when they listed. The product must be the original item shipped, with matching serial numbers if applicable. A previously used, fully functional product that may have some signs of cosmetic wear.

part #: simclnr204h prices

• $82.80-$300.00

specifications oldconstruct:

• brand: Carboloy
• mpn: Si-mclnr-20-4h
• part type: Bar

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• other
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seller oldconstruct:

• city: Mount Sterling, Kentucky
• rating: 97.7%
• # reviews: 13457

returns oldconstruct:

• time: 30 Days
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• policy: Returns Accepted
• method: Money back

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• cost: $17.00

offer oldconstruct:

• quantity: 1
• best offers: True
• started: July 27, 2025
• availability: In Stock
• sold: 0
• options: Ship-to-home

general oldconstruct:

• Building Materials Supplies > Vintage Construction > Machine Parts Tools
• condition: Used