When Bath-based Cross Manufacturing first developed its Spiralock wire thread insert, it knew it had a good product, with some major advantages over conventional inserts, even if the cost was a little higher But when a leading helicopter manufacturer began testing the product on the most demanding application imaginable, Cross Manufacturing began to suspect it had something really quite special, In short, not only do these inserts give you the best locking performance you can find, but they throw several other quite unexpected benefits into the bargain.
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