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Roll Taps(Screw size (Nominal):1/4-28UNF)

A forming tap is a raised type screw forming tool that makes a screw mark on a metal pilot hole. It can be used for both blind holes and through holes, and there is almost no chips, so cleaning can be shortened, etc. Depending on the product, there is also a special processing that enables long-life processing without chip problems, and low torque is achieved by adopting a special shape for the tap raised part. Others have a tin coating and have excellent abrasion and chip-welding resistance. Compatible materials for processing include rolled aluminum, structural steel, copper, etc. The selection point of the forming tap is not suitable for the work material, so select one suitable for the work material used. At the same time, it is necessary to check the screw length, nominal size, pitch, number of bites, etc., depending on the place to be used before selecting.
Days to Ship
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  • 4 Day(s) or Less
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Brand
Product Series
Days to Ship
Screw size (Nominal)
Screw Types
work material
Pitch (P), Number of Threading(mm)
Tool Material Type
Tap Type
Hole type
Chamfer threads (Lcf)
Coating Type
Coating Y/N
Overall Length (L)(mm)

    High Performance Roll Taps, Coated_HP+RZ

    Brand

    YAMAWA MFG

    Product Series

    High Performance Roll Taps, Coated_HP+RZ

    Days to Ship 7 Day(s) or more
    Screw size (Nominal)1/4-28UNF
    Screw Typesunified
    work materialLow-Carbon Steel (carbon alloy less than 0.25%)[○] / Medium carbon steel (carbon content 0.25 to 0.45%)[○] / High Carbon Steel (C with a content over 0.45%)[○] / Alloy Steel (SCM)[○] / Stainless steel (SUS)[○] / Aluminum Rolled Material (AL)[○] / Aluminum Alloy Casting (AC, ADC)[○] / Zinc Alloy Casting (ZDC)[○]
    Pitch (P), Number of Threading(mm)-
    Tool Material TypePowder high-speed steel
    Tap TypeRoll tap
    Hole typeFor through hole / For blind hole
    Chamfer threads (Lcf)2P ~ 4P
    Coating TypeTiCN
    Coating Y/NAvailable
    Overall Length (L)(mm)62

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