VTMP - Silicone First Thread Masking Plugs with Handle

  • VTMP Silicone First Thread Masking Plugs with Handle
  • Masking Block VTMP Silicone First Thread Masking Plugs with Handle
Silicone first thread masking plugs with handle diagram

Diagram of Dimensions for First Thread Masking Plugs
(with handle)

Silicone First Thread Masking Plugs with Handle, 600°F (powder coating, e-coating, anodizing, plating, painting, and thermal spray applications)

Viadon's Silicone First Thread Masking Plugs with Handle (VTMP) are an ideal way to mask not just a threaded blind hole, but that all-important first thread that standard tapered plugs don’t mask well. These are plugs are specifically designed for the most common thread sizes, and we carry the most popular ones from M6 and 1/4-20 through 3/8-14 and M10.

The straight wall of the plug section stays firmly in place, being sized specifically for each internal thread dimension. And the top flange perfectly masks off the lead thread of a hole, allowing for perfectly masked threaded holes each and every time.

Made from fully cured silicone to avoid leaching into plating tanks, tapered plugs are perfect for just about any metal finishing situation, including powder coating, e-coating, plating, and anodizing. These plugs can withstand temperatures up to 600°F / 315°C and are clear so they contain no potentially harmful coloring agents.

Custom sizes and shapes are available with low cost tooling. Contact Us today for a quote! Stock items are subject to availability, but are usually available for shipment within 24 hours.

  • Available Parts
    Part Number A (inches) B (inches) C (inches) H (inches) Use with Thread Size Quantity / Bag Quantity (bags)  
    VTMP-0208 0.208 0.295 0.248 0.964 M6 500 Add to Shopping List
    VTMP-0218 0.218 0.200 0.260 0.450 1/4-20 500 Add to Shopping List
    VTMP-0278 0.278 0.200 0.320 0.500 5/16-18 or M8 500 Add to Shopping List
    VTMP-0336 0.336 0.250 0.385 0.600 3/8-16 500 Add to Shopping List
    VTMP-0358 0.358 0.241 0.409 0.615 M10 250 Add to Shopping List
    VTMP-0451 0.451 0.352 0.510 0.750 1/2-13 250 Add to Shopping List

     

    Custom sizes and shapes are available. Contact Viadon for a low-cost tooling quote.

  • Technical Specifications
    • Temperature Range: Up to 600°F/315°C
    • Can plug holes from 0.062" up to 4.75"
    • Typical Uses: Masking situations involving threaded or non-threaded blind or through holes. Also, perfect for just about any metal finishing situation, including powder coating, e-coating, plating and anodizing.
    • Material: Silicone
    • Color: White
    • Re-usable.

    First Thread Masking Plug with Handle

    Silicone first thread masking plugs with handle diagram

    Diagram of Dimensions for First Thread Masking Plugs
    (with handle)

     

    Custom sizes and shapes are available. Contact Viadon for a low-cost tooling quote.

  • Masking 101 Helpful Hints

    Identifying the correct thread makes selecting the right plug quick and easy. Check the chart on the "Available Products" tab to see which plug is best for a given threaded hole. Then insert the plug fully, ensuring that the upper flange area is fully seated on the first thread of the tapped hole.

    • VTMP's are ideal for use in powder coating, e-coating, plating, and anodizing.
    • VTMP's offer excellent high temperature and good chemical resistance.
    • Bottom diameter should be 15% smaller than the hole diameter, for best fit.
    • Twist slightly to fully "seat" plug flange on first threads.
    • Use handle to quickly remove plugs when finishing is complete.

     

    Need a custom size not listed here? Contact Viadon for a low-cost tooling quote!