{"id":28586,"date":"2024-10-22T15:51:54","date_gmt":"2024-10-22T13:51:54","guid":{"rendered":"https:\/\/www.samatools.it\/prodotto\/thread-ring-gauge-go-nogo-bsw\/"},"modified":"2026-05-21T17:18:51","modified_gmt":"2026-05-21T15:18:51","slug":"thread-ring-gauge-go-nogo-bsw","status":"publish","type":"product","link":"https:\/\/www.samatools.it\/en\/product\/thread-ring-gauge-go-nogo-bsw\/","title":{"rendered":"BSW thread ring gauge GO\/NO GO – SA7699"},"content":{"rendered":"

The BSW thread ring gauge GO\/NO GO<\/strong> is an inspection instrument used to verify external BSW threads<\/strong>, meaning Whitworth coarse-pitch threads with a 55\u00b0 profile<\/strong>. It is used whenever a fast inspection of thread conformity is required, without the need to perform a complete numerical measurement every time. In practice, it allows the operator to immediately determine whether the external thread is suitable for the intended coupling.<\/p>\n

In daily use, this type of inspection is particularly convenient because it is based on direct verification of the thread. The GO ring<\/strong> must screw correctly onto the part, while the NO GO ring<\/strong> must not pass beyond the permitted limit for a conforming thread. This makes the inspection very immediate and suitable for repetitive checks, especially when many parts need to be inspected.<\/p>\n

BSW threads<\/strong> are commonly used on screws, studs, fittings, mechanical parts and in general on components requiring a Whitworth profile. For this reason, the BSW thread ring gauge GO\/NO GO<\/strong> is a practical solution in workshops, tooling departments and quality control environments, because it allows fast verification of the conformity of the external thread using a simple yet technically correct inspection method.<\/p>\n

Another advantage of the BSW thread ring gauge<\/strong> is the speed with which it allows the operator to express a conformity judgement. In serial production this is particularly useful because it helps standardise inspection between different operators and maintain a smoother production flow. The instrument is therefore not intended to \u201cmeasure the thread\u201d in the strict sense, but to confirm whether the part can be considered functionally correct.<\/p>\n

From a manufacturing point of view, BSW thread ring gauges<\/strong> are produced in hardened steel<\/strong>, a solution suitable for providing good wear resistance even during repetitive inspections. This aspect is especially important whenever external thread inspection is continuously carried out on production batches or during final inspections before assembly.<\/p>\n

For special requirements, dedicated versions are also available. Left-hand thread versions are available on request.<\/strong> This allows the BSW thread ring gauge GO\/NO GO<\/strong> to be supplied for specific applications requiring this configuration.<\/p>\n

In summary, the BSW thread ring gauge GO\/NO GO<\/strong> is an effective solution for anyone who needs to inspect external Whitworth threads quickly, practically and repeatably, while maintaining technical consistency and ease of use in daily operations.<\/p>\n

Applications<\/h3>\n
    \n
  • Inspection of external BSW threads<\/li>\n
  • Functional verification of screws, studs and Whitworth-threaded parts<\/li>\n
  • In-process inspection on externally threaded components<\/li>\n
  • Verification of fittings and components intended for threaded couplings<\/li>\n
  • Use in workshops, tooling departments and quality control<\/li>\n
  • Fast in-process inspections directly in production<\/li>\n
  • Verification of 55\u00b0 profile coarse-pitch threads<\/li>\n<\/ul>\n

    FAQ – BSW thread ring gauge GO\/NO GO<\/h2>\n

    What is a BSW thread ring gauge GO\/NO GO?<\/strong>
    \nIt is an inspection instrument used to verify the correct execution of external BSW threads with a GO\/NO GO system.<\/p>\n

    What is a BSW thread ring gauge used for?<\/strong>
    \nIt is used to quickly check whether an external Whitworth thread is conforming to the intended coupling.<\/p>\n

    How does inspection with a GO\/NO GO thread ring gauge work?<\/strong>
    \nThe GO ring must screw correctly onto the external thread, while the NO GO ring must not pass beyond the permitted limit for a conforming thread.<\/p>\n

    What does BSW mean?<\/strong>
    \nBSW stands for British Standard Whitworth, characterised by a 55\u00b0 profile and coarse pitch.<\/p>\n

    Why do BSW threads require a dedicated inspection instrument?<\/strong>
    \nBecause the inspection must be consistent with Whitworth geometry, meaning that both the thread profile and pitch must correspond to the correct reference.<\/p>\n

    When is a BSW thread ring gauge GO\/NO GO mainly used?<\/strong>
    \nIt is mainly used during production inspections, final checks and whenever many external threads need to be inspected rapidly and repeatably.<\/p>\n

    What does this instrument verify in practice?<\/strong>
    \nIt verifies the functional conformity of the external thread in relation to diameter, pitch and profile.<\/p>\n

    Does the BSW thread ring gauge provide a numerical thread measurement?<\/strong>
    \nNo, it is not intended to provide a numerical value, but to confirm in a practical way whether the thread is conforming.<\/p>\n

    On which components is it mainly used?<\/strong>
    \nIt is used on screws, studs, fittings and other components employing external Whitworth threads.<\/p>\n

    What material is the BSW thread ring gauge made from?<\/strong>
    \nIt is manufactured in hardened steel to provide good wear resistance during repetitive inspections.<\/p>\n

    Are special executions available?<\/strong>
    \nYes, left-hand thread versions are available on request.<\/p>\n

    Who is this instrument intended for?<\/strong>
    \nIt is intended for workshops, tooling departments, inspection and quality control environments that need to verify external BSW threads quickly and reliably.<\/p>\n

    What are the most common mistakes when using a BSW thread ring gauge GO\/NO GO?<\/strong>
    \nThe most common mistakes are using it on dirty or burred threads, forcing the NO GO ring and using an instrument that does not correspond to the thread being inspected.<\/p>\n","protected":false},"excerpt":{"rendered":"

    The BSW thread ring gauge GO\/NO GO is an inspection instrument used to verify external BSW threads, meaning Whitworth coarse-pitch threads with a 55\u00b0 profile. It is used whenever a fast inspection of thread conformity is required, without the need to perform a complete numerical measurement every time. In practice, it allows the operator to […]<\/p>\n","protected":false},"featured_media":29154,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[6387],"product_tag":[],"class_list":["post-28586","product","type-product","status-publish","has-post-thumbnail","product_cat-plug-and-ring-gauges","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.samatools.it\/en\/wp-json\/wp\/v2\/product\/28586","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.samatools.it\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.samatools.it\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.samatools.it\/en\/wp-json\/wp\/v2\/media\/29154"}],"wp:attachment":[{"href":"https:\/\/www.samatools.it\/en\/wp-json\/wp\/v2\/media?parent=28586"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.samatools.it\/en\/wp-json\/wp\/v2\/product_brand?post=28586"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.samatools.it\/en\/wp-json\/wp\/v2\/product_cat?post=28586"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.samatools.it\/en\/wp-json\/wp\/v2\/product_tag?post=28586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}