302 Self-tapping Threaded Insert Hardware Fasteners

302 Self-Tapping Threaded Inserts Hardware Fasteners

302 type is the most widely used in all self tapping screw sleeve products. 302 Self Tapping Threaded Inserts have two slots not only play the role of cutting, but also have a little inward locking force.

Model 303 is a thin-walled version of 302 series, which is mainly used in some plastic or light alloy that cannot have thick wall.
For difficult to cut materials, 302 Self-Tapping Insert has larger wall thickness, shallower but sharper external thread. The screw sleeve uses three round holes as cutting edge. The difference between 307 and 308 is the length of the insert.

Size& Type：
Metric:
M2-M30, with cutting slot, also for normal Inch sizes.
M3-M24, with cutting bore, also for normal Inch sizes.

Material:  
Stainless Steel
Case-hardened steel, zinc plated
Brass
Other material on request

Finishes& Coating:
Zinc plated (Yellow, Blue, etc.)
Dry Film Lubricants