270pcs /box Nylon Screw Nut Washer Assortment Kit Hardware Fasteners M2/M2.5/M3/M4/M5 (Black)

【High Toughness】: The bolt, nut and washer grading kIt is made of nylon material, which features high toughness, quality and long service life. 【Different Specifications】: The kit contains 270 pieces which can meet your different needs, M2 / M2.5 / M3 / M4 / M5, suitable for long-term use. 【High Performance】: The screw assembly is made of nylon, which has the characteristics of insulation, heat insulation, non-magnetic and corrosion resistance.Fit for the industries of communication, electroplating, medical device, office equipment, electronics. 【Easy to Use】: The nylon bolt and nut grading kit can be easily tightened and loosened, easy to use.does not slip easily,and saves time and labor It is an indispensable accessory for mounting and repairing electronic equipment. 【With Box】: Screw components are carefully packed and sorted in a resealable clear box for easy storage and transportation.neat and clean,not easy to confuse,and reduces damage.It is perfect to support and fix between PC boards and improve your work efficiency.