SUMIBORON BNS800 Indexable Inserts (Solid CBN) See pages L98 and L99 for holders for BNS800. Application K Cast iron Dimensions (mm) B BNS800 Inscribed circle Thickness Nose radius Hole Applicable Holder Negative Inserts Shape Cat. No. (Old Cat. No.) CNGN 090308 — D 0.8 80° CNGN 090308LF CNGN 090308F D 9.525 3.18 Without L98 Diamond CNGN 090312 — D hole External Type CNGN 090312LF CNGN 090312F D 1.2 C CNGN 120408 — D 0.8 CNGN 120412 — D 12.70 4.76 1.2 Without External L98 hole CNGN 120416 — D 1.6 CNGA 120408 — D 0.8 C7 C8 D CNGA 120412 — D 12.70 4.76 1.2 With External hole Internal E24 E25 CNGX 120408 — 0.8 R CNGX 120412 — D 12.70 4.76 1.2 Dimple External L99 CNGX 120416 — D 1.6 DNGN 110308 — D 0.8 55° DNGN 110308LF DNGN 110308F D 9.525 3.18 Without L99 S Diamond DNGN 110312 — D hole External Type DNGN 110312LF DNGN 110312F D 1.2 RNGN 090300 — D Round RNGN 090300LF RNGN 090300F D 9.525 3.18 — Without External L99 hole T Type RNGN 120300 — D 3.18 RNGN 120300LF RNGN 120300F D 12.70 — Without External L99 hole RNGN 120400 — D 4.76 V SNGN 090308 — D Square SNGN 090308LF SNGN 090308F D 0.8 Type SNEN 090308W — D 9.525 3.18 Without L98 SNEN 090308LFW SNEN 090308FW D hole External W SNGN 090312 — D SNGN 090312LF SNGN 090312F D 1.2 Ceramic Solid CBN SNGN 120308 — D 0.8 SNGN 120308LF SNGN 120308F D 12.70 3.18 Without L98 SNGN 120312 — D hole External SNGN 120312LF SNGN 120312F D 1.2 SNGN 120408 — D 0.8 SNGN 120412 — D 12.70 4.76 1.2 Without L98 SNGN 120416 — D 1.6 hole External SNGN 120420 — D 2.0 SNGA 120408 — D 0.8 C16 – C21 SNGA 120412 — D 12.70 4.76 1.2 With External hole Internal E53 E54 SNGX 120408 — 0.8 SNGX 120412 — D 12.70 4.76 1.2 Dimple External L99 SNGX 120416 — D 1.6 TNGN 110308 — D 0.8 Triangular TNGN 110308LF TNGN 110308F D 6.35 3.18 Without L98 Type TNGN 110312 — D hole External TNGN 110312LF TNGN 110312F D 1.2 TNGN 160408 — D 0.8 TNGN 160412 — D 9.525 4.76 1.2 Without L98 TNGN 160416 — D 1.6 hole External TNGN 160420 — D 2.0 TNGA 160408 — D 0.8 External C23 – C29 TNGA 160412 — D 9.525 4.76 1.2 With D15 D18 hole External Internal E68 – E70 B130        * The part number suffixes stand for the following: LE: Sharp edge type, W: Wiper insert, LFW: Wiper insert with sharp edge