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    About Hammerton

    High-Quality Combo Rifle Buttons – Precision and Durability

    Our combo buttons feature dual working surfaces that control both bore and groove dimensions, eliminating the need for a separate sizing button. Each button is coated with a special material that extends its lifespan to over 500 uses, ensuring long-term reliability and cost-effectiveness.

    We offer custom-made buttons tailored to your specific measurements. The image shows an example of the quality achieved with our tools. Don’t overpay for inferior products – choose a reliable tool that delivers consistent results.

    Why Choose Us Over Cheaper Options?

    1. Quality Materials: Each button is made from high-grade alloys, costing between $10 and $15, to ensure durability and precision.
    2. Precision Craftsmanship: Our buttons are handcrafted to an accuracy of 0.01mm, providing unmatched performance.
    3. Certified and Non-Chinese Manufacture: Unlike many lower-priced alternatives, our buttons are not made in China. They are certified and meet all international standards for quality and safety.
    4. Caliber-Specific Design: We understand the differences between calibers like 9×19, 9×18, and 9×17. Each button is made with specific tolerances and angles, unlike generic buttons that may not work across all calibers.
    5. Save Time and Money: While cheaper options may save you $20 upfront, they can lead to delays in delivery, poor performance, and wasted time. Our buttons deliver correct results every time.
    Advantages
    01 /

    High-precision chamber reamers are custom-made to meet your exact specifications, ensuring exceptional performance and precision.

    02 /

    Firearm push and pull reamers are crafted from specialized carbide grades, carefully selected during the design phase to deliver superior cutting edges.

    03 /

    Our combo buttons have two working surfaces so that both the bore and groove dimensions are controlled. No separate sizing button is needed

    04 /

    Hummerton reamers provide precise tolerances, ensuring high-quality and reliable performance.

    Frequently asked
    questions
    FAQ
    • 01
      What is a rifling button?

      Rifling buttons are precision carbide tools used to form grooves and resize bores in tubular components. These tools come in a variety of sizes, ranging from small diameters to larger bore applications. They can be ground with any helical twist, either right- or left-handed, and are available in different styles, including groove-only, bore-only, or a combination of both.

    • 02
      How does a chamber reamer work?

      A chamber reamer is a specialized fluted tool used to precisely cut the chamber of a barrel. The process involves inserting the reamer into the bore while the barrel rotates around it, usually using a lathe. This technique ensures the chamber is shaped to exact specifications, allowing for proper cartridge fitting and function.

    • 03
      What is the difference between reamer and drilling?

      IDrilling, boring, and reaming each play a unique role in hole-making. Drilling is the first step, creating a basic hole. Boring then enlarges and shapes it to the desired size. Finally, reaming finishes the hole, providing precision dimensions and a smooth, accurate surface for optimal performance.

    • 04
      What is the rule for reaming?

      The general rule for reaming is to leave 0.010" to 0.015" of material after the drilling operation for the reamer to remove. For small diameters, like 1/32" or less, this should be reduced to 0.003" to 0.006". It's often more effective to use a percentage of the hole size rather than a fixed range for optimal results.

    • 05
      What is the principle of a reamer?

      A reamer works by being inserted into a pre-drilled hole that is slightly smaller than the final required size. As the reamer rotates, its cutting edges gradually remove a thin layer of material, enlarging the hole with precision and providing a smooth surface finish.