Buttress (45° / 7°) 52° External Threading Inserts

27ER 4 BBUTT PTX- British Buttress 52° External Right Hand Threading Insert - Posithread

22ER 6 BBUTT PTX- British Buttress 52° External Right Hand Threading Insert - Posithread

22ER 8 BBUTT PTX- British Buttress 52° External Right Hand Threading Insert - Posithread

16ER 10 BBUTT PTX- British Buttress 52° External Right Hand Threading Insert - Posithread

16ER 12 BBUTT PTX- British Buttress 52° External Right Hand Threading Insert - Posithread

16ER 16 BBUTT PTX- British Buttress 52° External Right Hand Threading Insert - Posithread