SEC-Boring Bars SVJB Type / SVQB Type / SVUB Type / SVZB Type ■ Inserts  ( SUMIBORON) ● 5°Positive G Class ● SUMIBORON Multi Corner One Use Inserts (Coated) 2NC- Grades Dimensions (mm) VBGW BNC2010 BNC2020 BNC500 Inscribed circle Thickness Nose radius Cat. No. 2NC-VBGW 110302 D D 0.2 110304 D D D 0.4 110308 D D D 6.35 2.38 0.8 110302LT Q D Q 0.2 110304LT Q D Q 0.4 2NC-VBGW 160402 D D 0.2 160404 D D D 0.4 160408 D D D 0.8 160402LE D Q Q 0.2 160404LE D Q Q 9.525 4.76 0.4 160408LE D Q Q 0.8 160402LT Q D Q 0.2 160404LT Q D Q 0.4 E 160408LT Q D Q 0.8 Note: The part number suffixes stand for the following: LE: Low resistance type LT: Cutting performance focused type Boring ● SUMIBORON Multi Corner One Use Inserts (Non-Coated) Bars 2NU- Grades Dimensions (mm) VBGW BN7000 Inscribed circle Thickness Nose radius Cat. No. 2NU-VBGW 110304 D 6.35 3.18 0.4 110308 D 0.8 2NU-VBGW 160404 D 9.525 4.76 0.4 160408 D 0.8 ● SUMIBORON One Use Inserts (Non-Coated) NU- Grades Dimensions (mm) VBGW BN2000 BN7000 Inscribed circle Thickness Nose radius Cat. No. BN1000 BN700 NU-VBGW 110302 D D 0.2 110304 D D D D 0.4 110308 D D D 0.8 110302LT Q D Q Q 0.2 110304LT Q D Q Q 6.35 2.38 0.4 110308LT Q D Q Q 0.8 110302HS Q D Q Q 0.2 110304HS Q D Q Q 0.4 110308HS Q D Q Q 0.8 NU-VBGW 160402 D D 0.2 160404 D D 0.4 160408 D D 0.8 160402LT Q D Q Q 9.525 4.76 0.2 160404LT Q D Q Q 0.4 160408LT Q D Q Q 0.8 160404HS Q D Q Q 0.4 160408HS Q D Q Q 0.8 Note: The part number suffixes stand for the following: LT: Cutting performance focused type HS: Strengthened cutting edge type E46