Adjustable Chipbreaker Boring Bars

Heat-treated alloy steel
Supplied with adjustable carbide chip-breaker and carbide ship to protect the boring bar
Accommodates standard positive rake triangular inserts
Used for boring to square shoulder
Can be used with open slot holders #1 and #2, as well as heavy duty holders #4, #41, #4D, #41D, #100, #104, #141.