Internal wrenching nut
An internal wrenching nut, (also known as an Allenut[1] or Allen nut), is a cylindrical nut that is internally threaded on one side and has an Allen socket on the other side; the outside of the nut is smooth or has knurling on it.
Internal wrenching nut
Cut-away view of an internal wrenching nut
The Allen socket may be 6 point or 12 point (also known as a double hex socket). They are used where hex or square nuts won't fit.[2]
References
Notes
- Holo Krome catalog (PDF), archived from the original (PDF) on 2010-02-15, retrieved 2008-11-28.
- Smith 1990, p. 110.
Bibliography
- Smith, Carroll (1990), Carroll Smith's Nuts, Bolts, Fasteners, and Plumbing Handbook, MotorBooks/MBI Publishing Company, ISBN 0879384069.
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