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SUMIBORON Insert, 80° Diamond-Shape With Hole, Negative, 4NC-CNGA (Part Numbers)
[Features]
· The main component in SUMIBORON is Cubic Boron Nitride (CBN), with a special ceramic bonding material added, and sintered under super high pressure and temperature; compared with conventional tool materials, CBN features higher hardness and excellent heat-resistant properties.
· No-sharpening, single-use type for easy tool management.
· Multiple SUMIBORON pieces are brazed onto a single tool insert, resulting in a more economical unit price per cutting blade compared with single-use, 1-corner types.
· G-class precision specification that features all-around polishing. All corners are additionally marked with numbers to simplify keeping track of already-used corners.
(i)Caution
- 4NC-CNGA120416, 4NC-CNGA120420 and 4NC-CNGA120424 are specialized for holders for SUMIBORON high efficiency machining.
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Use | No. of Usable Corners | Work Material | Nose Radius | Corner Height Tolerance | Inscribed Circle Tolerance | Thickness Tolerance | Hole Availability | Hole Shape | Breaker Availability | Material Type | Detail Nose Radius (mm) | Machining Application ② | Specification Details | Cutting Edge Length (mm) | Material | No. of Inserts | No. of Insert Types | Type Code |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 440.33 | 1 Piece(s) | 4 Day(s) or more | Outer Diameter / Inner Diameter | - | High-Hardness Material | 0.4 | ±0.025 | ±0.025 | ±0.13 | Available | Cylinder State | NA | BNC200 | 0.4 | Standard Blade Tip | - | 12.9 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 411.40 | 1 Piece(s) | 4 Day(s) or more | - | 4 | High-Hardness Material | 0.4 | - | - | - | Yes | Cylindrical | NA / No | BNC2010 | - | - | Standard cutting edge | 2.5 | Coated CBN | - | - | - | ||
MYR 411.40 | 1 Piece(s) | 4 Day(s) or more | - | 4 | High-Hardness Material | 0.4 | - | - | - | Yes | Cylindrical | NA / No | BNC2020 | - | - | Standard cutting edge | 2.5 | Coated CBN | - | - | - | ||
MYR 440.33 | 1 Piece(s) | 4 Day(s) or more | Outer Diameter / Inner Diameter | - | High-Hardness Material | 0.4 | ±0.025 | ±0.025 | ±0.13 | Available | Cylinder State | NA | BNC300 | 0.4 | Standard Blade Tip | - | 12.9 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 440.33 | 1 Piece(s) | 5 Day(s) or more | Outer Diameter / Inner Diameter | - | Cast Iron | 0.4 | ±0.025 | ±0.025 | ±0.13 | Available | Cylinder State | NA | BNC500 | 0.4 | Standard Blade Tip | - | 12.9 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 440.33 | 1 Piece(s) | 4 Day(s) or more | Outer Diameter / Inner Diameter | - | High-Hardness Material | 0.8 | ±0.025 | ±0.025 | ±0.13 | Available | Cylinder State | NA | BNC200 | 0.8 | Standard Blade Tip | - | 12.9 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 411.40 | 1 Piece(s) | 4 Day(s) or more | - | 4 | High-Hardness Material | 0.8 | - | - | - | Yes | Cylindrical | NA / No | BNC2010 | - | - | Standard cutting edge | 2.4 | Coated CBN | - | - | - | ||
MYR 411.40 | 1 Piece(s) | 4 Day(s) or more | - | 4 | High-Hardness Material | 0.8 | - | - | - | Yes | Cylindrical | NA / No | BNC2020 | - | - | Standard cutting edge | 2.4 | Coated CBN | - | - | - | ||
MYR 440.33 | 1 Piece(s) | 4 Day(s) or more | Outer Diameter / Inner Diameter | - | High-Hardness Material | 0.8 | ±0.025 | ±0.025 | ±0.13 | Available | Cylinder State | NA | BNC300 | 0.8 | Standard Blade Tip | - | 12.9 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 440.33 | 1 Piece(s) | 4 Day(s) or more | Outer Diameter / Inner Diameter | - | Cast Iron | 0.8 | ±0.025 | ±0.025 | ±0.13 | Available | Cylinder State | NA | BNC500 | 0.8 | Standard Blade Tip | - | 12.9 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 440.33 | 1 Piece(s) | 4 Day(s) or more | Outer Diameter / Inner Diameter | - | High-Hardness Material | 1.2 | ±0.025 | ±0.025 | ±0.13 | Available | Cylinder State | NA | BNC200 | 1.2 | Standard Blade Tip | - | 12.9 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 411.40 | 1 Piece(s) | 4 Day(s) or more | - | 4 | High-Hardness Material | 1.2 | - | - | - | Yes | Cylindrical | NA / No | BNC2010 | - | - | Standard cutting edge | 2.3 | Coated CBN | - | - | - | ||
MYR 411.40 | 1 Piece(s) | 4 Day(s) or more | - | 4 | High-Hardness Material | 1.2 | - | - | - | Yes | Cylindrical | NA / No | BNC2020 | - | - | Standard cutting edge | 2.3 | Coated CBN | - | - | - | ||
MYR 440.33 | 1 Piece(s) | 4 Day(s) or more | Outer Diameter / Inner Diameter | - | High-Hardness Material | 1.2 | ±0.025 | ±0.025 | ±0.13 | Available | Cylinder State | NA | BNC300 | 1.2 | Standard Blade Tip | - | 12.9 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 440.33 | 1 Piece(s) | 4 Day(s) or more | Outer Diameter / Inner Diameter | - | Cast Iron | 1.2 | ±0.025 | ±0.025 | ±0.13 | Available | Cylinder State | NA | BNC500 | 1.2 | Standard Blade Tip | - | 12.9 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 411.40 | 1 Piece(s) | 4 Day(s) or more | - | 4 | High-Hardness Material | 1.6 | - | - | - | Yes | Cylindrical | NA / No | BNC2010 | - | - | Standard cutting edge | 3.3 | Coated CBN | - | - | - | ||
MYR 411.40 | 1 Piece(s) | 4 Day(s) or more | - | 4 | High-Hardness Material | 1.6 | - | - | - | Yes | Cylindrical | NA / No | BNC2020 | - | - | Standard cutting edge | 3.3 | Coated CBN | - | - | - | ||
MYR 411.40 | 1 Piece(s) | 4 Day(s) or more | - | 4 | High-Hardness Material | Others | - | - | - | Yes | Cylindrical | NA / No | BNC2010 | 2 | - | Standard cutting edge | 3.2 | Coated CBN | - | - | - | ||
MYR 411.40 | 1 Piece(s) | 4 Day(s) or more | - | 4 | High-Hardness Material | Others | - | - | - | Yes | Cylindrical | NA / No | BNC2020 | 2 | - | Standard cutting edge | 3.2 | Coated CBN | - | - | - | ||
MYR 411.40 | 1 Piece(s) | 4 Day(s) or more | - | 4 | High-Hardness Material | Others | - | - | - | Yes | Cylindrical | NA / No | BNC2010 | 2.4 | - | Standard cutting edge | 3.1 | Coated CBN | - | - | - | ||
MYR 411.40 | 1 Piece(s) | 4 Day(s) or more | - | 4 | High-Hardness Material | Others | - | - | - | Yes | Cylindrical | NA / No | BNC2020 | 2.4 | - | Standard cutting edge | 3.1 | Coated CBN | - | - | - |
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Basic Information
| Shape | C (80° Diamond) | Rake Angle | Negative | Clearance Angle(°) | 0 |
|---|---|---|---|---|---|
| Slot Code | A | Dimension S(mm) | 4.76 | Dimension φd(mm) | 12.7 |
Specification/Dimensions
-
Use
- Outer Diameter / Inner Diameter
-
No. of Usable Corners
- 4
-
Work Material
- Cast Iron
- High-Hardness Material
-
Nose Radius
-
Corner Height Tolerance
- ±0.025
-
Inscribed Circle Tolerance
- ±0.025
-
Thickness Tolerance
- ±0.13
-
Hole Availability
- Available
- Yes
-
Hole Shape
- Cylinder State
- Cylindrical
-
Breaker Availability
- NA
- No
-
Material Type
-
Detail Nose Radius(mm)
-
Machining Application ②
- Standard Blade Tip
-
Specification Details
- Standard cutting edge
-
type
- 4NC-CNGA
- 4NC-CNGA□□□□□
Days to Ship
-
- All
- 4 Day(s) or Less
- 5 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Additional Products in this Category
- Sumi Diamond Tip Other (For SEC-Ace Mill CHG Type)
- 80° Diamond-Shape With Hole, Positive 7°, CCMT-SU, For Light Cutting
- Replacement Blade Insert V (35° Diamond) VCGT-MN-SI
- Turning Insert Diamond 80°, Negative, with Hole, CNGG0904○○R/L-S "for Intermediate Cutting"
- Square 90°, Negative, with Hole SNMG12○○-PH "Rough Cutting"
- Turning Insert Diamond 35°, Negative, with Hole, VNMG1604○○ "for Rough Cutting"
- CoroCut XS Insert For Grooving
- CA3 Series CNMG (WQ Breaker)
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