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Product Specifications:
| Item | Indexable Boring Bar |
| Ansi Code | A20T-DDUNL4 |
| Ansi Number | A20T-DDUNL4 |
| Approach Angle | 93° |
| Bar Dia. | 0.787" |
| Center To Cutting Tip | 1" |
| Compatible Hardware | Ap304-Dn15 Shim, Fs1461 Screw, Fs1465 Torx Key, Fs1470 Pressure Spring, Fs1473 Clamp Screw, Pk241 Clamp, Rs117 Pin |
| Coolant Fed | Coolant Through |
| Cutting Angle | -6° |
| Cutting Application | Facing, Interrupted Cuts, Profiling, Turning |
| Cutting Direction | Left |
| Cutting Edge Angle | -6° |
| Head Material | Steel |
| Includes | Ap304-Dn15 Shim, Fs1461 Screw, Fs1465 Torx Key, Fs1470 Pressure Spring, Fs1473 Clamp Screw, Pk241 Clamp, Rs117 Pin |
| Insert Clearance Angle | 0° |
| Insert Holding Type | Clamp |
| Insert Shape | Diamond |
| Lead Angle | 93° |
| Max. Bore Depth | 5" |
| Min. Bore Dia. | 1.705" |
| Mounting Style | Top And Hole Clamping |
| Number Of Coolant Holes | 1 |
| Number Of Inserts | 1 |
| Overall Length | 12" |
| Primary Material Application | Cast Iron, Hardened Steel, Nickel, Steel, Titanium |
| Primary Material Application Iso Code | H, K, S |
| Rake | Negative |
| Secondary Material Application | Stainless Steel |
| Secondary Material Application Iso Code | M |
| Shank Dia. | 1 1/4" |
| Shank Material | High Speed Steel |
| Side Cutting Edge Angle | -6° |
| Style | 93 degrees boring and facing |
| Type | Coolant Thru |
Shipping Info:
| Ship weight (kg) | 1.73 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 30.48 |
| Ship width (cm) | 2.54 |
| HS code | 8209000030 |
| Country of Origin | SE |
Product Variants
| Product | Model | Overall Length | Shank Dia. | Insert Shape | Insert Style | Cutting Direction | Min. Bore Dia. | Center To Cutting Tip | Approach Angle | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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A12S-DTFNR3 | 10" | 3/4" | Triangular | - | Right | 1.024" | 1/2" | 91° | €565.82 | |
![]() |
A16T-DWLNR4 | 12" | 1" | Trigon | - | Right | 1.299" | 3/4" | 95° | €605.97 | |
![]() |
A24T-DCLNL4 | 12" | 1 1/2" | - | - | Left | 1.76" | 0.89" | 95° | €746.91 | |
![]() |
A12S-DTFNL3 | 10" | 3/4" | Triangular | - | Left | 1.024" | 1/2" | 91° | €558.26 | |
![]() |
A16T-DCLNL4 | 12" | 1" | - | - | Left | 1.28" | 41/64" | 95° | €605.97 | |
![]() |
A16T-DCLNR4 | 12" | 1" | - | - | Right | 1.28" | 41/64" | 95° | €605.97 | |
![]() |
A16T-DDUNL4 | 12" | 1" | Diamond | - | Left | 1 1/2" | 3/4" | 93° | €605.97 |
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Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
WALTER TOOLS A20T-DDUNL4 5335123 Indexable Boring Bar Top And Hole Clamp
€642.50 /unit



