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SUMIBORON Insert, 55° Diamond-Shape With Hole, Negative, 4NC-DNGA
[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-DNGA150416, 4NC-DNGA150420 and 4NC-DNGA150424 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) | 5 Day(s) or more | Outer Diameter / Inner Diameter | - | High-Hardness Material | 0.4 | ±0.025 | ±0.025 | ±0.13 | Available | Cylinder State | NA | BNC100 | 0.4 | Standard Blade Tip | - | 15.5 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 440.33 | 1 Piece(s) | 5 Day(s) or more | Outer Diameter / Inner Diameter | - | High-Hardness Material | 0.4 | ±0.025 | ±0.025 | ±0.13 | Available | Cylinder State | NA | BNC160 | 0.4 | Standard Blade Tip | - | 15.5 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 440.33 | 1 Piece(s) | 5 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 | - | 15.5 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 411.40 | 1 Piece(s) | 5 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) | 5 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) | 5 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 | - | 15.5 | 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 | - | 15.5 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 440.33 | 1 Piece(s) | 5 Day(s) or more | Outer Diameter / Inner Diameter | - | High-Hardness Material | 0.8 | ±0.025 | ±0.025 | ±0.13 | Available | Cylinder State | NA | BNC100 | 0.8 | Standard Blade Tip | - | 15.5 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 440.33 | 1 Piece(s) | 5 Day(s) or more | Outer Diameter / Inner Diameter | - | High-Hardness Material | 0.8 | ±0.025 | ±0.025 | ±0.13 | Available | Cylinder State | NA | BNC160 | 0.8 | Standard Blade Tip | - | 15.5 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 440.33 | 1 Piece(s) | 5 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 | - | 15.5 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 411.40 | 1 Piece(s) | 5 Day(s) or more | - | 4 | High-Hardness Material | 0.8 | - | - | - | Yes | Cylindrical | NA / No | BNC2010 | - | - | Standard cutting edge | 2.1 | Coated CBN | - | - | - | ||
MYR 411.40 | 1 Piece(s) | 5 Day(s) or more | - | 4 | High-Hardness Material | 0.8 | - | - | - | Yes | Cylindrical | NA / No | BNC2020 | - | - | Standard cutting edge | 2.1 | Coated CBN | - | - | - | ||
MYR 440.33 | 1 Piece(s) | 5 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 | - | 15.5 | 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 | 0.8 | ±0.025 | ±0.025 | ±0.13 | Available | Cylinder State | NA | BNC500 | 0.8 | Standard Blade Tip | - | 15.5 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 440.33 | 1 Piece(s) | 5 Day(s) or more | Outer Diameter / Inner Diameter | - | High-Hardness Material | 1.2 | ±0.025 | ±0.025 | ±0.13 | Available | Cylinder State | NA | BNC160 | 1.2 | Standard Blade Tip | - | 15.5 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 440.33 | 1 Piece(s) | 5 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 | - | 15.5 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 411.40 | 1 Piece(s) | 5 Day(s) or more | - | 4 | High-Hardness Material | 1.2 | - | - | - | Yes | Cylindrical | NA / No | BNC2010 | - | - | Standard cutting edge | 2 | Coated CBN | - | - | - | ||
MYR 411.40 | 1 Piece(s) | 5 Day(s) or more | - | 4 | High-Hardness Material | 1.2 | - | - | - | Yes | Cylindrical | NA / No | BNC2020 | - | - | Standard cutting edge | 2 | Coated CBN | - | - | - | ||
MYR 440.33 | 1 Piece(s) | 5 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 | - | 15.5 | CBN | 4 | Multi Corner Type | Coated Sumiboron series | ||
MYR 411.40 | 1 Piece(s) | 5 Day(s) or more | - | 4 | High-Hardness Material | 1.6 | - | - | - | Yes | Cylindrical | NA / No | BNC2010 | - | - | Standard cutting edge | 3.4 | Coated CBN | - | - | - | ||
MYR 411.40 | 1 Piece(s) | 5 Day(s) or more | - | 4 | High-Hardness Material | 1.6 | - | - | - | Yes | Cylindrical | NA / No | BNC2020 | - | - | Standard cutting edge | 3.4 | Coated CBN | - | - | - | ||
MYR 411.40 | 1 Piece(s) | 5 Day(s) or more | - | 4 | High-Hardness Material | Others | - | - | - | Yes | Cylindrical | NA / No | BNC2010 | 2 | - | Standard cutting edge | 3 | Coated CBN | - | - | - | ||
MYR 411.40 | 1 Piece(s) | 5 Day(s) or more | - | 4 | High-Hardness Material | Others | - | - | - | Yes | Cylindrical | NA / No | BNC2020 | 2 | - | Standard cutting edge | 3 | Coated CBN | - | - | - | ||
MYR 411.40 | 1 Piece(s) | 5 Day(s) or more | - | 4 | High-Hardness Material | Others | - | - | - | Yes | Cylindrical | NA / No | BNC2010 | 2.4 | - | Standard cutting edge | 2.7 | Coated CBN | - | - | - | ||
MYR 411.40 | 1 Piece(s) | 5 Day(s) or more | - | 4 | High-Hardness Material | Others | - | - | - | Yes | Cylindrical | NA / No | BNC2020 | 2.4 | - | Standard cutting edge | 2.7 | Coated CBN | - | - | - |
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Basic Information
| Shape | D (55° 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-DNGA
- 4NC-DNGA□□□□□
Days to Ship
-
- All
- 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
- Tip (Sumi Boron Grooving Tool GWB Type for Hardened Steel)
- 80° Diamond-Shape With Hole, Negative, CNMM-HG, For Heavy Cutting
- Blade Replacement Insert D (55° Rhombic) DNGG-R-UM
- Blade Tip Replacement Tip S (Square) SCMT-T-N-FP
- Q-Cut T-MAX U Lock
- 80° Hexagon Type Negative with Hole WNMG○○WQ "Finishing to Medium" with Wiper Cutting Edge
- Insert For Grooving, GTMT43
- Standard Insert, 35° Diamond-Shape, Positive, VCGT-CL
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