: 1st Choice: 1st Choice: 1st Choice
Legend: Continuous Cut:Medium Cut:Interrupted Cut:
2nd Choice2nd Choice2nd Choice
SNGN1203˜˜Applicable holder ref. page, (Example)K cast iron
S exotic alloy

Applicable External Holders L98 H hardened steel

― ecommended Application sintered component I.C.: ø12.7 Thickness: 3.18 Hole: CBN Dimensions

(mm)

  • Solid Type/Negative (Without Hole)
AppearanceCutting EdgeCat. No.Old Cat. No.
Specifi cationNose R
SNGN 120308Q Q Q Q Q Q Q QQQ QQQ Q DDD
0.8 12.7L

Standard 120312 Q Q Q Q Q Q Q Q QQQ QQQ Q DDD

1 1.2 12.7

SNGN 120308LFSNGN 120308F0.8 12.7 Q Q Q Q Q Q Q QQQ QQQ Q DDD
SharpQ Q Q Q Q Q Q QQQ QQQ Q DDD

120312LF 120312F 1 1.2 12.7

Edge Less Cutting force

SNG¢1204˜˜Applicable holder ref. page, (Example)K cast iron
S exotic alloy

Applicable External Holders L98 H hardened steel

― ecommended Application sintered component I.C.: ø12.7 Thickness: 4.76 Hole: CBN Dimensions

(mm)

  • Negative (Without Hole)
AppearanceCutting EdgeCat. No.Old Cat. No.
Specifi cationNose R
SNGN 120408DDDQQQ
0.84.8
Standard 120412QDDQQQ
111.24.8
SNGN 120408-BQQQ
0.8 12.7

Standard 120412-B Q QQQ

1 4 1.2 12.7

120416-B QQQ 1.6 12.7

  • Solid Type/Negative (Dimple Lock)

SNGX 120408 0.8 12.7 Q Q Q Q Q Q Q QQQ QQQ Q Q Q Q Q Q Q Q Q QQQ QQQ Q DDD

Standard 12041211.212.7
1204161.612.7 Q Q Q Q Q Q Q QQQ QQQ Q DDD

C

D

R

S

T

V

W

SUMIBORON Application Range Map

Ⓒ Gray Cast Iron Ⓓ Ductile Cast Iron Ⓔ General Sintered Alloy Ⓕ High Density Sintered Alloy

2,000 500 300 300 1,500 400 200 200

BN7000 BNC500

1,000300BN7500
BN7000BN7500

BNS800 100 100