
SUMIBORON Indexable Inserts : 1st Choice : 1st Choice : 1st Choice Legend: Continuous Cut Medium Cut Interrupted Cut : 2nd Choice : 2nd Choice : 2nd Choice K cast iron Recommended Applicable holder ref. page, (Example) VCGW1103 Application S exotic alloy Applicable External Holders C32, 33, D15, 18, 31 H hardened steel I.C.: ø6.35 Thickness: 3.18 Hole: ø2.8 Applicable Internal Holders E40, 42, 44 sintered component CBN Dimensions No. of Cutting Edges Pcs./Pack (mm) S800 00 BN2000 7000 00 BN7500 BN1000 Cutting Edge ■ One-use Type/7° Positive (With Hole) BNX20 BNX25 BNX10 BN350 BN500 7000 BNS8 BN70 70 BN70 70 Radius Length Nose Cutting Edge BN BN BN Appearance Specification Cat. No. Old Cat. No. Standard NU-VCGW 110302 110304 Q 1 1 0.4 2.8 0.2 3.3 D D D D Q Q L Positive Inserts NU-VCGW 110302HS 0.2 3.3 Q Q Q Q D Q Q Q Q Q Q S01235 110304HS Q 1 1 0.4 2.8 Q Q Q Q D Q Q Q Q Q Q Stronger edge *For BNX25, use NS type code (NS-VCGW) *Depth-of-cut for one-use type is 0.5mm or less C D R S T V W SUMIBORON SUMIBORON Application Range Map Ⓒ Gray Cast Iron Ⓓ Ductile Cast Iron Ⓔ General Sintered Alloy Ⓕ High Density Sintered Alloy 2,000 500 300 300 Cutting Speed (m/min) Cutting Speed (m/min) Cutting Speed (m/min) Cutting Speed (m/min) 1,500 400 200 200 BN7000 BNC500 1,000 300 BN7500 ) BN7000 BN7500 BNS800 100 100 500 200 BN7000 BN500 BN7000 Depth of Depth of 0 1.0 2.0 3.0 4.0 0 0.1 0.3 0.5 Cut (mm) 0 0.1 0.2 0.3 0.4 0.5 Cut (mm) 0 0.1 0.2 0.3 0.4 0.5 Depth of Cut (mm) Depth of Cut (mm) Feedrate 0.05 0.1 0.15 0.2 0.25 0.3 Feedrate 0.05 0.1 0.15 0.2 0.25 0.3 (mm/rev) (mm/rev) L91 91