Laptop Screw Set 450/650/720PCS Flat Head Machine

Head type: countersunk head
Groove type: cross
Screw diameter: 1.4 (mm)
Product specifications: 450PCS/box, 650PCS/box, 720PCS/box
Mode of action: hand twist
Thread specification: standard
Thread tolerance: 4h
Surface treatment: black plating
Material grade: Carbon steel 4.8 grade
Product grade A grade
Screw length 16 (mm)