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Product Specifications:
| Item | Boring Bar |
| Ansi Code | S20U-Mtunr-4 |
| Center To Cutting Tip | 0.765" |
| Clamp | CL-9 |
| Clamp Screw | XNS-59 |
| Compatible Hardware | CL-9 Clamp, ITSN-433 Seat, NL-46 Lock Pin, S-46 Optional Seat Screw, XNS-59 Clamp Screw |
| Cutting Application | Boring |
| Cutting Direction | Right Hand |
| Head Material | Steel |
| Inscribed Circle | 1/2" |
| Insert Clearance Angle | 0° |
| Insert Holding Type | Clamp And Lock Pin |
| Insert Inscribed Circle | 1/2" |
| Insert Screw | NL-46 |
| Insert Shape | Triangle |
| Insert Size | 432 |
| Insert Style | Tnm |
| Insert Thickness | 0.187" |
| Iso Number | S20U-MTUNR-4 |
| Lead Angle | 14° |
| Material | Steel |
| Max. Depth | 5" |
| Min. Bore | 1.53" |
| Min. Bore Dia. | 1.53" |
| Mounting Style | Multi Lock |
| No. Of Inserts | 1 |
| Overall Length | 14" |
| Rake | Negative |
| Shank | Round |
| Shank Dia. | 1 1/4" |
| Shank Material | High Speed Steel |
| Shim | ITSN-433 |
| Side Cutting Edge Angle | 3° |
| Style | S20U-MTUNR-4 |
| Type | Standard Steel |
| Width Offset | 0.765" |
Shipping Info:
| Ship weight (kg) | 2.05 |
| Ship height (cm) | 3.81 |
| Ship length (cm) | 35.56 |
| Ship width (cm) | 3.81 |
| HS code | 7318190000 |
| Country of Origin | US |
Product Variants
| Model | Shank Dia. | Min. Bore Dia. | Shank Material | Max. Bore Depth | Type | Cutting Direction | Style | Min. Bore | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| S12S-MCLNR-4 | 3/4" | 1" | High Speed Steel | - | Standard Steel | Right Hand | S12S-MCLNR-4 | 1" | €323.17 | |
| S12S-MCLNL-4 | 3/4" | 1" | High Speed Steel | - | Standard Steel | Left Hand | S12S-MCLNL-4 | 1" | €333.70 | |
| S16T-MCLNR-4 | 1" | 1.28" | High Speed Steel | - | Standard Steel | Right Hand | S16T-MCLNR-4 | 1 7/25" | €424.02 | |
| S16T-MCLNL-4 | 1" | 1.28" | High Speed Steel | - | Standard Steel | Left Hand | S16T-MCLNL-4 | 1 7/25" | €449.05 | |
| S20U-MCLNR-4 | 1 1/4" | 1.53" | High Speed Steel | - | Standard Steel | Right Hand | S20U-MCLNR-4 | 1.53" | €433.38 | |
| S20U-MCLNL-4 | 1 1/4" | 1.53" | High Speed Steel | - | Standard Steel | Left Hand | S20U-MCLNL-4 | 1.53" | €447.54 | |
| S24U-MCLNR-4 | 1 1/2" | 1.78" | High Speed Steel | - | Standard Steel | Right Hand | S24U-MCLNR-4 | 1.78" | €482.29 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
DORIAN S20U-MTUNR-4 Boring Bar Right-Hand 1.53 In
€447.54 /unit


