19YRS
YINSH PRECISION INDUSTRIAL CO., LTD.
Products
Precision Locknuts
SBL Series
SBL-A
SBL-A Precision Locknut
Lock screws intersect at a 30° angle. Superior to traditional locknuts with only 3 lock screws, the SBL-A employ 6 lock screws to the axis. Perfect mesh. Precision and balanced compression. Zero loosening under any load or speed. Inner threads, outer skirts, clamping and trailing rims are all precision ground, minimizing noise and vibration.
Specification
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Material Composition:SCM440(42CrMo4)
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Hardness:HRC48° ~52°
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Thread Precision:ISO 4H
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Parallelism:0.002mm
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Edge Bevel:0.002mm
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Concentricity:0.005mm