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Product Specifications:
| Item | Indexable Boring Bar |
| Ansi Code | A20T-DTFNR3 |
| Ansi Number | A20T-DTFNR3 |
| Approach Angle | 91° |
| Bar Dia. | 0.787" |
| Center To Cutting Tip | 0.765" |
| Compatible Hardware | Ap356-Tn16 Shim, Fs1462 Screw, Fs1466 Torx Key, Fs1469 Pressure Spring, Fs1472 Clamp Screw, Pk240 Clamp, Rs116 Pin |
| Connection Dia. | 1 1/4" |
| Coolant Fed | Coolant Through |
| Coolant Pressure | 145.038 psi |
| Cutting Angle | -6° |
| Cutting Application | Boring |
| Cutting Direction | Right |
| Cutting Edge Angle | -6° |
| Functional Length | 12" |
| Functional Width | 0.765" |
| Hand | R |
| Head Material | Steel |
| Inclination Angle | -11° |
| Included | Ap356-Tn16 Shim, Fs1462 Screw, Fs1466 Torx Key, Fs1469 Pressure Spring, Fs1472 Clamp Screw, Pk240 Clamp, Rs116 Pin |
| Insert Clearance Angle | 0° |
| Insert Holding Type | Clamp |
| Insert Seat Size | 16 |
| Insert Shape | Triangular |
| Lead Angle | 90° |
| Max. Bore Depth | 5" |
| Min. Bore Dia. | 1.469" |
| Min. Dia. | 1.469" |
| No. Of Coolant Holes | 1 |
| No. Of Inserts | 1 |
| Orthogonal Rake Angle | -6° |
| 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 Height | 1.181" |
| Shank Material | High Speed Steel |
| Side Cutting Edge Angle | -6° |
| Style | 90 Degrees Boring And Facing |
| Type | Coolant Thru |
Shipping Info:
| Ship weight (kg) | 1.69 |
| 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 | Min. Bore Dia. | Shank Material | Shank Dia. | Bar Dia. | Insert Size | Functional Width | Functional Length | Min. Dia. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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A12S-DTFNR3 | 1.024" | High Speed Steel | 3/4" | 0.472" | - | 1/2" | 10" | 1.024" | €565.82 | |
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A16T-DWLNR4 | 1.299" | High Speed Steel | 1" | 0.63" | - | 3/4" | 12" | 1.299" | €605.97 | |
![]() |
A24T-DCLNL4 | 1.76" | High Speed Steel | 1 1/2" | 0.945" | - | 0.89" | 12" | 1 19/25" | €800.26 | |
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A12S-DTFNL3 | 1.024" | High Speed Steel | 3/4" | 0.472" | - | 1/2" | 10" | 1.024" | €558.26 | |
![]() |
A16T-DCLNL4 | 1.28" | High Speed Steel | 1" | 0.63" | - | 16/25" | 12" | 1 7/25" | €605.97 | |
![]() |
A16T-DCLNR4 | 1.28" | High Speed Steel | 1" | 0.63" | - | 16/25" | 12" | 1 7/25" | €605.97 | |
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A16T-DDUNL4 | 1 1/2" | High Speed Steel | 1" | 0.63" | - | 3/4" | 12" | 1 1/2" | €605.97 |
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WALTER TOOLS A20T-DTFNR3 5335144 Indexable Boring Bar Top And Hole Clamp
€686.53 /unit



