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航空用helicoil Primer-Free 螺套Primer-Free® ll inserts are designed for use in applications where galvanic corrosion between dissimilar metals is a concern. The proprietary Primer Free® ll coating not only protects the base material and provides excellent lubricity, but more importantly, eliminates the need for liquid chromate primers. With Primer-Free® ll coated inserts, the inserts are always evenly coated, providing more accurate bolt torques. When utilizing Primer-Free® ll inserts, installation time is reduced significantly and total in-place cost is decreased dramatically. Primer-Free inserts are ideal for use in aerospace applications
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