Halnn's CBN Milling Inserts are the ultimate solution for machining hardened steels and other tough materials. Engineered for superior wear resistance and precision, our CBN inserts ensure high productivity and long-lasting performance in challenging milling applications. Designed to meet the rigorous demands of modern manufacturing, Halnn’s CBN Milling Inserts deliver reliability and excellence in every cut.
CBN Milling inserts
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SNFN | CNFN | RNFN | SNEN | SNEX | RNEN |
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OPHN | RDMW | APMT | SEET | Ball screw special milling inserts |
Halnn CBN Milling Insert Grades
| Halnn CBN Grade | Suited materials | Machining Condition | Typical application |
BN-K1 | Chilled cast iron, high nickel-chromium alloy, high-hardness alloy cast iron | Rough machining | Alloy cast iron rolls, slurry pumps, wear-resistant castings, etc. |
BN-S20 | Hardened steel, heat-resistant and wear-resistant steel, high manganese steel | Rough and semi-finish machining | HSS rolls, lead screws, wind power bearings |
BN-S200 | Hardened steel, high-temperature alloys | Finish machining | Wind power bearings |
BN-S300 | Gray cast iron | Rough and finish machining | Brake discs, brake drums, cast iron engines, transmissions, cylinder liners, etc. |
BNK30 | Gray cast iron, iron-based sintered alloys | Semi-finish and finish machining | Brake discs, brake drums, cast iron engines, transmissions |
BN-H10 | Hardened steel, high-strength alloys | Finish machining | Bearings, CV joints, gears, gear shafts, high-hardness parts |
BN-H21 | Hardened steel | Finish machining | Bearings, CV joints, gears, gear shafts, molds |
| BN-K10 | Gray cast iron, powder metallurgy | Finish machining | Valve seat rings, engine cylinder bores, powder metallurgy parts |
Halnn CBN Inserts Cutting Parameters for reference
Machining Materials | Machining Type | Recommended cutting parameters | CBN insert Grade | ||
Cutting speed VC(m/min) | Cutting Depth ap (mm) | Feed Rate Fr(mm/r) | |||
High hardness cast iron (Hardness: HRC35-68) | Roughing | 35-120 | 1-10 | 0.15-1.0 | BN-K1 |
Finishing | 60-200 | ≤1 | 0.05-0.35 | BN-K10，BN-H10 | |
Hardened steel (Hardness≥HRC45) | Roughing | 50-150 | 1-10 | 0.1-0.5 | BN-S10, BN-S20 |
Finishing | 90-250 | ≤1 | 0.05-0.35 | BN-H10,BN-H21,BN-S200 | |
Grey cast iron | Roughing | 400-1200 | 1-10 | 0.2-1.0 | BN-S300 |
Finishing | 600-2000 | ≤1 | 0.05-0.3 | BNK30，BN-K10 | |
Halnn CBN Inserts Characteristics
Insert Grade | Binder | CBN Content(%) | Granularity(μm) | Hardness(HV) |
BN-K1 | TIC | 90 | 8-12 | 3000-3250 |
BN-S10 | AL, TiN | 80 | 4-10 | 3100-3300 |
BN-S20 | TIN | 76 | 4-6 | 2900-3100 |
BN-S200 | TIN | 60 | 2-4 | 2800-3000 |
BN-S300 | AL, TIC | 97 | 4-6 | 3400-3600 |
BN-H10 | TIN | 50 | ≤1 | 2700-2800 |
BN-H21 | AL, TINC | 60 | 1-2 | 2600-2800 |
BN-K10 | Ti, Co | 95 | ≤2 | 3300-3500 |
BNK30 | Si, TIC | 97 | 2-4 | 3400-3600 |
Halnn CBN Inserts Cutting Conditions
CBN Content | Insert Grade | Cutting Depth | Condition |
High Content | BN-K1 | 1-10mm | Interrupt-Continuous |
BN-S300 | ≤2mm | Continuous | |
BNK30 | ≤1.5mm | Continuous | |
BN-K10 | ≤0.5mm | Continuous | |
Low Content | BN-S20 | 1-10mm | Interrupt-Continuous |
BN-S200 | ≤1mm | Continuous | |
BN-H10 | ≤0.5mm | Continuous~Semi-Interrupt | |
BN-H21 | ≤0.5mm | Semi-Interrupt~Heavy Interrupt |
Mode: Type: Application:
Mode:Milling,Drilling,Reaming Type:PCD tools,Carbide coated tools Application:Aerospace field
Mode:CBN tools Type:cylinder liner Application:auto parts
Mode:Solid CBN Insert Type:BN-K1,BN-S20 Application:Wear Parts
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