● Specification: T10 2; T12 3; T14 3; T16 4; T18 4; T20 4; T22 5; T25 5; T28 5; T30 6; T32 6; T36 6; T40 8. ●Tooth type: 30 degree trapezoidal. ● Shape: round flange. The Use of Rod Cold Extrusion, Hot Forging, CNC Cutting Processing, to Ensure That the Nut Material, Accuracy.
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