Products List
Square-cushion two-
combination series
Square-cushion three-
combination series
Circular cushion three-
combination series
Square-cushion
two-combination series
Machine screw series
Cheese-head plain/
spring washer series
Outer- hexagonal plain /spring washer series
Self-tapping combination series
Brazier head screw with teeth series
Nut series
Outer- hexagonal trimming series
Inner-hexagonal plain /spring washer series
Self-tapping series
Non-standard series
Close fix screw series
Head types/Types of Drive Inserts/Thread Types