55 Piece Heat Shink Crimp and Solder Butt Connector Assortment Starter Kit Thread_Coarse (UNC) #4 and #6 clamps: 5/16"

#4 and #6 clamps: 5/16" band width — exceed 20 inch-pounds of torque

Best For Die and mold work — Grade 12

hood latches

Questions about material compatibility or sizing

55 Piece Heat Shink Crimp and Solder Butt Connector Assortment Starter Kit Thread_Coarse (UNC) #4 and #6 clamps: 5/16"55 heat shrink crimp and solder butt connectors in three wire gauge sizes red (2218 AWG), blue (1614 AWG), and yellow (1210 AWG) in a compact labeled kit. These butt connectors combine crimping and soldering in one step: the crimp holds the wire in place mechanically, and the solder slug melts during heat shrinking to flow through the wire strands, delivering a connection that's 80% stronger than standard PVC crimp terminals and fully sealed against