Sprue Bushings U Series

Sprue Bushings

JBF National U series sprue bushings come hardened and ground, and feature a 43/45 RC through hardness. Please see component diagram below.

JBF P/NTBER
BW86451 25/3229/325/321/2
BW86492 9/321 13/325/321/2
BW86532 25/321 29/325/321/2
BW86573 9/322 13/325/321/2
BW86613 25/322 29/325/321/2
BW86461 25/3229/327/321/2
BW86502 9/321 13/327/321/2
BW86542 25/321 29/327/321/2
BW86583 9/322 13/327/321/2
BW86623 25/322 29/327/321/2
BW86471 25/3229/325/323/4
BW86512 9/321 13/325/323/4
BW86552 25/321 29/325/323/4
BW86593 9/322 13/325/323/4
BW86633 25/322 29/325/323/4
BW86481 25/3229/327/323/4
BW86522 9/321 13/327/323/4
BW86562 25/321 29/327/323/4
BW86603 9/322 13/327/323/4
BW86643 25/322 29/327/323/4