Coating improves on stainless for rivet nut
A
Torque Control product story
Edited by the Engineeringtalk editorial team
Jul 19, 2000
When a firm anchorage point was needed for a heavy duty exhaust bracket, Torque Control solved the problem with an M8 Hexagonal Shank, Steel Rivet Nut using a double coating of phosphate deltaseal
A firm anchorage point was needed by a leading motor vehicle manufacturer for the heavy duty exhaust bracket of a new prestige model.
The hostile under-car environment of temperature extremes, salt water spray and heavy vibration presented a formidable task, with the ability to remove the part an additional problem.
The team at Torque Control solved the problem with an M8 Hexagonal Shank, Steel Rivet Nut, by using a double coating of phosphate deltaseal.
The hexagonal shank provided the ultimate anti-spin grip and trials, including 480 hours of salt spray had proved the finish highly satisfactory with the added benefit of a price advantage over stainless steel.
Whereas stainless steel would be the 'natural' choice, in-depth understanding of the technical ability of the alternative coatings revealed a potential answer from an unexpected quarter, which the trials confirmed.
Cost analysis then indicated an advantage of the double coating of steel over the stainless steel equivalent.
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