Clamp On SPMR Insert 3/8 I.C. 1/8 Width

$4.59
  • Sku : SPMR322
  • Cut Type : Carbide Insert
  • SPMR322 INSERT SPMR 09 03 08 : 3/8I.C.:1/8WIDTH:1/32CORNER RADIUS:***THRU HOLE"
This Product Minimum Qty for Order : 10
51
We really love this products it's very powerful.

Product Overview

Meet the INSERT SPMR 09 03 08—a precision-engineered clamp-on insert designed for professional machinists and metalworkers looking for exceptional control and durability. Its single-sided design with chip control makes it perfect for detailed turning and finishing tasks.

This insert is especially suited for those who demand reliability and efficiency from their tooling, whether on a job site or in a high-volume shop. The 11-degree relief angle helps you achieve smoother cuts with less heat buildup.

With its versatile cut options and rugged construction, this insert is a smart addition to your tool lineup, promising sharper results and longer tool life on a variety of materials.

Key Features

  • Clamp-on insert for secure and stable positioning
  • Single-sided design with integrated chip control for cleaner cuts
  • 11-degree relief angle reduces cutting resistance and heat
  • Available in Standard Cut or Double Cut options
  • Optimized for turning operations with 3/8 inch inscribed circle (I.C.) diameter
  • Precise corner radius to enhance finishing quality
  • Thru hole design for easy mounting and replacement
  • Designed to reduce vibration for smoother surface finishes
  • Compatible with a wide range of metalworking applications
  • Manufactured with high-quality carbide for extended tool life

Specifications

  • Shape / Type: SPMR Clamp On Insert
  • Cut Type: Carbide Insert
  • Inscribed Circle (I.C.): 3/8 inch
  • Width: 1/8 inch
  • Corner Radius: 1/32 inch
  • Relief Angle: 11 degrees
  • Design Features: Single sided with chip control
  • Mounting: Thru hole
  • SKU / Part Number: SPMR322
  • Category: SPMR Inserts

Built to Keep Your Shop Running Smooth

The INSERT SPMR 09 03 08 doesn’t just perform well in the moment—it’s crafted to deliver consistent performance over time, helping your shop reduce unexpected downtime and maintenance costs. Its robust carbide composition and chip control design minimize tool wear and keep your production line humming. This means fewer interruptions, longer tool intervals, and a better bottom line for your business, no matter how tough the job gets.

Trusted Innovation from a Proven Design

Designed with decades of machining expertise behind it, this insert embodies Burrs4Less's commitment to quality and reliability. The clamp-on style and single-sided configuration reflect thoughtful innovation focused on ease of use and precision. Trusted by metalworkers across the USA, it offers durability and efficiency that help you stay competitive. Plus, its efficient chip management helps reduce waste, contributing to a greener, more sustainable operation.

Case Study: Real Business, Real Results

At a precision machine shop in Cleveland, Ohio, upgrading to the INSERT SPMR 09 03 08 improved their turning efficiency and cut down tool change downtime.

"Since switching to this SPMR insert, we've noticed much cleaner cuts and less chatter, making our workflow smoother and output higher."

Lisa Martin – Production Manager

Boosted production speed by 35% while maintaining tight tolerance on complex parts.

Why the 11-Degree Relief Angle Matters

The 11-degree relief angle on this insert helps reduce the amount of friction between the tool and the workpiece. Imagine slicing through butter with a sharp knife versus a dull one; the sharper angle lets the insert glide smoothly through metal, producing cleaner cuts and reducing heat buildup. This not only preserves your insert’s lifespan but also improves surface finish and reduces the chance of tool breakage—a win-win for your shop’s productivity.

Installation and Maintenance Guide

Setting It Up

  • Ensure the toolholder is clean and free of debris before inserting the SPMR insert.
  • Align the insert correctly with the clamp mechanism to secure a tight fit.
  • Tighten the clamp firmly but avoid overtightening to prevent damage.
  • Check the chip control direction matches your machining operation.
  • Verify the insert is seated flat to avoid vibration during cutting.

Keeping It Going

  • Regularly inspect inserts for wear and replace them at the first sign of chipping or dullness.
  • Clean inserts and holders after each shift to prevent buildup of metal shavings.
  • Use recommended cutting speeds and feeds to maximize insert life.
  • Store inserts in a dry, organized area to avoid damage and rust.
  • Keep coolant flowing properly during operation to reduce heat and extend tool life.

Buying Guide: Choosing the Right SPMR Inserts

  • Need help with the cut type? Consider whether your project requires Standard Cut for general use or Double Cut for tougher materials.
  • Check the insert size. Ensure the 3/8 inch inscribed circle fits your toolholder perfectly.
  • Consider your machining needs. Single-sided inserts like this are easy to replace and perfect for finish turning.
  • Pay attention to chip control features. Better chip control means cleaner work and fewer stops to clear debris.
  • Material compatibility matters. Choose inserts that handle your specific metal types for optimal results.
  • Replacement frequency. If you want less downtime, Select high-quality coated inserts that last longer.

Frequently Asked Questions

  • Q: What materials can this SPMR insert be used on?

    A: It works well on mild steel, stainless steel, and some cast irons—thanks to its chip control chip geometry.

  • Q: Can I use either Standard Cut or Double Cut with the same insert?

    A: The insert is available in both cut types, but you must choose one based on your specific machining needs.

  • Q: How do I know if this insert fits my toolholder?

    A: Check if your toolholder supports 3/8 inch inscribed circle diameter and clamp-on style inserts.

  • Q: What is the purpose of the 11-degree relief angle?

    A: It minimizes friction during cutting, leading to smoother finishes and less heat buildup.

  • Q: How often should I replace the insert?

    A: Replace when you notice dullness, chipping, or rough finishes, which will vary by usage intensity.

  • Q: Does the chip control feature affect performance?

    A: Yes, it directs metal chips away effectively, keeping your cut clean and tool clear.

  • Q: What does 'thru hole' mean for installation?

    A: It refers to the hole that allows for secure mounting and easier insert replacement.

  • Q: Is this insert suitable for high-speed turning?

    A: Yes, but always verify your machine specs and recommended cutting parameters.

  • 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

  • Excellent fit and chip control that improved my turning process significantly.

    James T. | Machinist

  • Reliable and sturdy insert, easy to install and holds up well under heavy use.

    Sara M. | Shop Supervisor

  • Great for precise finishing cuts—clean edges and minimal vibration.

    Michael P. | CNC Operator

  • Good value, but I wish there were more corner radius options.

    Emily R. | Metal Fabricator

  • Solid insert that performs well on stainless steel jobs.

    David H. | Manufacturing Lead

Ready for Order

Ready to boost your machining precision and efficiency? Add the INSERT SPMR 09 03 08 to your toolkit today and experience smoother cuts and reliable performance on every job. Order now and keep your shop moving forward with confidence.

Add to Cart Call Us for Advice

#SPMRInsert#CarbideTools#Metalworking#MachiningTools#ChipControl#TurningInsert#PrecisionCutting#Burrs4Less#ToolHolder#CNCParts