Will the single-edge commercial and residential jaw (S2) for the Black Widow / Triton key cutting machine also fit and work on a Kukai Beta key cutting machine? Single Edge Residential and Commercial Jaw (TRJ2-S2) for Triton and Black Widow Key Cutting Machines Clamps & Jaws

Question

Will the single-edge commercial and residential jaw (S2) for the Black Widow / Triton key cutting machine also fit and work on a Kukai Beta key cutting machine? Single Edge Residential and Commercial Jaw (TRJ2-S2) for Triton and Black Widow Key Cutting Machines Clamps & Jaws

The kukai beta key machine is the twin brother of the black widow made by the same company.

Status: Open Jul 03, 2026 - 05:08 PM

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Staff Answer

Jul 03, 2026 - 05:08 PM

This single-edge commercial and residential jaw is designed and sold for the Black Widow and Triton key cutting machines, and that is the compatibility we can confirm. On those machines it is used to cut single-sided residential and commercial keys such as Schlage and Kwikset.

We cannot confirm that it will fit and function correctly on a Kukai Beta. Triton-branded machines are widely believed within the locksmith trade to share manufacturing origins with Kukai, but the manufacturers do not officially document cross-compatibility between Triton jaws and Kukai-branded machines. Just as importantly, key machine jaws and clamps are typically model-specific and are often not interchangeable even within a single manufacturer's own product line, so a jaw built for one model may not mount or align correctly on another.

Because an incorrect jaw can affect cutting accuracy or may not mount at all, we recommend confirming compatibility directly with the machine manufacturer (Kukai) or the Triton / Black Widow supplier, and verifying that the jaw's mounting base matches your Beta's jaw mount, before purchasing.