TECHNIKS 8178842 Negative Indexable Boring Bar, PDUNL Toolholder, 1.7 in Dia Min Bore, Left Hand of Holder, 12 in OAL

• Left and right hand bars
• A16t-pdunr/l -3 takes dn__33_inserts (4 corners)
• A20t-pdunr/l-4 and a24updunr/l take dn__43_ inserts (4 corners)
• 93˚ lead angle
• ‘p’ style clamping and coolant thru for better chip evacuation
• Used for profile boring (30˚ max)
• Uses two-sided inserts

Techniks 8178842 1.7000 in Min Bore | 1.7000 in Min Bore, | 12.0000 in | 1-1/4 in | 1.2500 in | 1-1/4 in | Indexable Boring Bar