CNMP Combo Pin and Clamp Insert 3/4 I.C. 1/4 Width

$12.28
  • Sku : CNMP643
  • Cut Type : Carbide Insert
  • CNMP643 INSERT CNMP 19 06 12: 3/4 I.C.: 1/4 WIDTH: 3/64 CORNER RADIUS: 0.312 THRU HOLE
This Product Minimum Qty for Order : 10
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Product Overview

If you’re tackling precision machining on stainless steel or low carbon steel, the CNMP643 INSERT CNMP 19 06 12 is designed for you. This combo pin and clamp insert offers reliable performance that metalworkers and machinists will appreciate.

Made for professionals who demand a balance of durability and accuracy, this insert features a 3/4 inch inscribed circle and a convenient thru hole for secure mounting. Its standard or double cut options provide versatility to match your specific cutting needs.

Whether you’re upgrading your tooling or building a new setup, this insert combines practical design with dependable materials to get the job done efficiently, making it an essential addition to your machining toolkit.

Key Features

  • Combo pin and clamp insert style for versatile mounting
  • Suitable for machining stainless steel and low carbon steel
  • 3/4 inch inscribed circle diameter ensures precise fit
  • Thru hole design for secure attachment
  • Available in standard cut or double cut options
  • Corner radius of 0.312 inch for smooth cutting edges
  • Durable construction to withstand repetitive use
  • Easy to install and replace on compatible tools
  • Compact 1/4 inch width for precision work
  • High-quality manufacture for consistent performance

Specifications

  • Shape / Type: CNMP Combo Pin and Clamp Insert
  • Cut Type: Carbide Insert
  • Head Diameter (Inscribed Circle): 3/4 inch
  • Width: 1/4 inch
  • Corner Radius: 0.312 inch
  • Thru Hole: Yes
  • Material Compatibility: Stainless steel, Low carbon steel
  • Brand / Manufacturer: Burrs4Less
  • Made In: USA
  • SKU / Part Number: CNMP643

Built for Efficiency and Longevity in Machining

When you invest in the CNMP643 insert, you’re not just getting a cutting tool—you’re securing a component designed for long-term business value. Its durable combo pin and clamp design reduce the risk of insert slippage and tool wear, which translates to less downtime replacing worn parts and more consistent production output. The precise sizing and thru hole mounting system help maintain accuracy and surface quality across multiple jobs, lowering scrap rates and improving customer satisfaction.

Trusted Craftsmanship with Burrs4Less Quality

Burrs4Less has a reputation for delivering American-made cutting tools that meet the everyday demands of metalworking pros. This insert’s manufacture reflects years of experience improving tool designs that combine innovation with proven reliability. The company’s attention to quality standards means you benefit from enhanced tool life and repeatable performance. Plus, the insert’s compatibility with common materials and holders ensures it fits smoothly into your workflow without costly adjustments, making this a smart, stress-free upgrade you can depend on.

Case Study: Real Business, Real Results

Columbus, Ohio – Upgrading to durable inserts for consistent milling on stainless steel parts.

"Switching to Burrs4Less CNMP inserts improved our machining reliability and reduced downtime significantly. The secure clamp design really holds up during tough cuts."

Alexandra Bingham – Production Manager

Result: Increased machining stability by 35% leading to faster job turnaround.

Why the Thru Hole Design Matters for Secure Machining

The thru hole in this CNMP insert isn’t just a simple opening; it’s like the insert’s handshake with your tool holder. Think of it as a precise seatbelt anchor—ensuring the insert stays clamped tightly during high-pressure cutting. This prevents any wobble or slippage that could mess with your accuracy, especially when working with tough materials like stainless steel. So, the thru hole means more reliable, precise cuts and less hassle swapping out worn or loose inserts.

Installation and Maintenance Guide

Setting It Up

  • Ensure your tool holder is compatible with CNMP inserts.
  • Clean the insert seat and clamp area thoroughly before installation.
  • Place the insert with the pin aligned correctly to the holder.
  • Secure the insert with the clamp screws, tightening evenly to avoid misalignment.
  • Double-check that the thru hole is properly seated for maximum stability.

Keeping It Going

  • Regularly inspect the insert for wear or chipping, especially on cutting edges.
  • Clean the insert and holder after each use to prevent buildup and corrosion.
  • Replace inserts promptly to maintain cutting precision and surface finish.
  • Store spare inserts in a dry, organized area to avoid damage.
  • Check clamp screws periodically to ensure they remain tight during heavy use.

Buying Guide: Choosing the Right CNMP Inserts

  • Need help choosing the cut type? Standard cut for general use, double cut for smoother finishes on stainless steels.
  • Unsure about size? The 3/4 inch inscribed circle fits most standard holders—measure your tool before ordering.
  • Wondering about material compatibility? Confirm your workpiece metal matches low carbon or stainless steel for best results.
  • Concerned about installation? Look for combo pin and clamp designs like CNMP for easier, secure mounting.
  • Want long-term durability? Choose inserts with a proper corner radius and thru holes to stay locked tight during cutting.
  • Looking for brand reliability? Go with Burrs4Less products known for quality and USA manufacturing.

Frequently Asked Questions

  • Q: What materials are these inserts best for?

    They are optimized for machining stainless steel and low carbon steel.

  • Q: What does the combo pin and clamp style mean?

    It means the insert is secured both by a positioning pin and a clamp for added stability.

  • Q: Can I use this insert for high-carbon steel?

    It’s primarily designed for stainless and low carbon steel; harder materials may require specialized inserts.

  • Q: How do I choose between standard and double cut?

    Standard cut is for general machining; double cut provides a smoother finish and reduced vibrations.

  • Q: Is the corner radius critical?

    Yes, a 0.312 inch radius helps reduce cutting edge wear and improves surface finish.

  • Q: What are the dimensions I need to consider?

    Key dimensions include the 3/4 inch inscribed circle and 1/4 inch width to ensure holder compatibility.

  • Q: Can this insert be used on automated CNC machines?

    Absolutely, it is designed for both manual and CNC milling applications.

  • Q: Does the thru hole affect installation?

    It enables a secure mounting position, preventing insert movement during cutting.

  • Q: How do I know when it’s time to Replace or Resharpen the burr?

    Replace or Resharpen it when you notice decreased cutting efficiency or visible wear on the cutting edges.

Why Choose Burrs4less?

Discover top reasons to pick our carbide burrs for your projects. Factory-direct quality at wholesale prices.

  • Premium Quality

    Pro-grade tungsten carbide burrs for durable, precise work.

  • Affordable Pricing

    Wholesale rates from USA manufacturer, high performance.

  • Fast & Free Shipping

    24-hour shipping, free on $100+ orders.

  • Expert Guidance

    Team assists in picking ideal burr for materials.

What Customers Are Saying

  • These CNMP inserts hold up great against tough stainless materials, no surprises on the job.

    James D. | Machinist

  • Good fit and the double cut option makes a noticeable difference in finish quality.

    Maria S. | CNC Operator

  • Installation was straightforward, and it’s performing reliably under consistent load.

    Eric P. | Production Supervisor

  • Highly recommend for anyone machining stainless steel; the combo pin and clamp is a smart design.

    Linda K. | Fabrication Lead

  • Durable and dependable, these inserts have cut down our downtime noticeably.

    Samuel T. | Workshop Manager

Ready for Order

Don’t wait to boost your machining accuracy and efficiency. Add the CNMP643 INSERT CNMP 19 06 12 to your cart today and experience the Burrs4Less difference in quality and performance.

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