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LOX screws are so strip-proof, you’d practically have to take a drill bit to ’em to ruin ’em.  The same goes for spline bolts — good luck stripping them — plus many spline wrenches are “backwards compatible” with hex, twelve-point, female Torx, and square-heads, and they’re more effective at turning 50% rounded fasteners.  Now the Wright Spline takes another step.

According to the Wright website, “Most wrenching problems occur in removing fasteners, because the removal torque is frequently twice or more the installation torque,” so they took that into account when designing the Wright Splines.  Go figure;  a tool manufacturer looks at when we all have the most trouble — removing bolts — and figures out how to handle it.

Here’s the problem with loving the technology so much:  It looks like technology has gotten ahead of industry, because I can’t find them for sale anywhere.  As if I really need them…

Wright Spline [Wright Tool]


5 Responses to From Spline To Wright Spline

  1. davis says:

    I found a source for Wright tools at Shop of Tools, but beware of extreme sticker shock.

  2. fred says:

    Re Davis Says:

    I think what you found were Wright Tool’s spline drive (as opposed to square drive) impact sockets. Thes ecome in large sizes and are typically priced.

  3. dc says:

    Horrendously expensive, because they are basically aerospace tools. Sockets are something like $60 each.

  4. MikeP says:

    Proto has had these for a year or so now. I get my through Grainger and since I’m retired Army, they let me pay the government price which is far less than SK and Wright. I even found you can now buy Snap On and Mac tools though Grainger much cheaper than off the truck!

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