Product Name: Precision Boring Head F1 Type Model NO.: 220-12 Certification: ISO 9001:2008, ISO 9001:2000, GS, CE Type: End Mill Holder Customized: Customized Size: Middle Logo Printing: Without Logo Printing Transport Package: Plastic Box Origin: China HS Code: 8466100000 Product Description • High quality, excellentperformance, practical design at affordable price.• Maximum rigidity is assuredevenwhen boring bar holder is usedin an offset position.• Hardened and ground adjustingscrew along with outside basedesign guarantees long life andtrouble free use.Precision Boring Heads-F1BoringBoring BarMax.1-1/2"-187/8"-20Head Dia.Hole SizeOffsetGrad.Model No.Model No.21/25/80.0005"220-1200220-121033/410.0005"220-1300220-1310411-5/80.0005"220-1400220-14105012160.01mm220-1050220-10607518250.01mm220-1075220-108510025410.01mm220-1100220-1110Adjusting ScrewsRangeModel No.For 2"220-1201For 3"220-1302For 4"220-1401