M4 Brass Headed Short Ultrasonic Inserts (Bag of 100)

M4 headed short length SONIC-LOK® Inserts for plastics.

Designed for rapid installation into thermoplastics using heat or ultrasonics, Soni-Lok® inserts feature opposed helical knurl bands to provide a combination of high torque and pull out resistance.

• Permits thin boss walls allowing compact design
• Rapid installation using heat or ultrasonics
• Shorter body length