Model: hexagonal, octagonal, circularMaterial: 12L14, 12L15, 12L13, SUM24L, SUS303, S416 of, S430F, S316 6061-T6Thread type: M1.0-M10,4-40,6-32,8-32,10-32, 1/4-20,2-56,3-48, 3/8-16Finish: electroless nickel, bright nickel, trivalent blue zinc, color zinc, black zincProduction equipment: high-precision automatic lathes, cam walking effortThe auxiliary processing: ultrasonic cleaning machine, vibration grinding machineInvolving areas: desktop computers, sheet metal, control cabinet, household appliances,