S32T-MCWNR12 machine boring bar Right Tool Holder - CNC Lathe Boring Bar | Alloy Steel With CNMG blade
S25S-MCWNR12 boring bar mill Right Tool Holder - CNC Lathe Boring Bar | Alloy Steel With CNMG blade
S20R-MCWNR12 boring bar mill Right Tool Holder - CNC Lathe Boring Bar | Alloy Steel With CNMG blade
BEYOND MCWNR/L Internal Boring Bar Series – Complete Specification List
Brand: BEYOND
Series: MCWNR/L INTERNAL – Multi-Lock lever-clamp, CNMG 12 inserts, 50° lead angle [^139^][^131^]
Key Search Tags
steel shank boring bar, MCWNR boring bar, MCWNL boring bar, CNMG 12 insert, internal boring tool, 50 degree approach angle, 0 degree relief angle, left hand boring bar, right hand boring bar, CNC lathe boring, heavy-duty boring bar, large diameter boring bar, BEYOND boring tools, multi-lock clamp
Why Choose BEYOND MCWNR/L?
- Popular size range: 20 mm – 40 mm shank diameter
- Rigid steel shank (S) for deep-hole and heavy-duty cuts
- 50° approach angle (W) + 0° relief (N) = maximum edge strength [^139^]
- Multi-Lock lever clamp (C) for quick insert changes [^131^]
- Left-hand (L) & right-hand (R) versions in stock
- Designed for CNMG 12 inserts (also accepts CNMA, CNMP)
Technical Data – All Models
| Part Number | Shank Ø mm | Length Code | Insert Size | Min. Bore Ø mm | Hand | Overall Length mm |
|---|---|---|---|---|---|---|
| S20R-MCWNL12 | 20 | R (200) | CNMG 1204 | 25 | L | 200 |
| S20R-MCWNR12 | 20 | R (200) | CNMG 1204 | 25 | R | 200 |
| S25S-MCWNL12 | 25 | S (250) | CNMG 1204 | 32 | L | 250 |
| S25S-MCWNR12 | 25 | S (250) | CNMG 1204 | 32 | R | 250 |
| S32T-MCWNL12 | 32 | T (300) | CNMG 1204 | 40 | L | 300 |
| S32T-MCWNR12 | 32 | T (300) | CNMG 1204 | 40 | R | 300 |
Insert & Spare Parts
- Insert: CNMG 1204 (0° relief, 80° diamond)
- Multi-Lock lever included – no extra hardware needed
- Wrench: T15 Torx key supplied free with every bar
Application Ideas
- Heavy-duty boring of forged steel flanges
- Deep bores in wind-tower hubs
- Large gearbox housings – cast iron & steel
- Oil-field connector bores – 4140, 4340, F22
Shipping & Stock
Ships from California, USA & Dortmund, Germany. 98 % of models in stock – order before 3 pm local time for same-day dispatch.
Long-Tail Keywords
20 mm steel boring bar, CNMG 12 boring bar, MCWNR right hand boring bar, MCWNL left hand boring bar, 50 degree approach angle, 0 degree relief angle, heavy duty internal boring tool, large diameter boring bar, CNC lathe deep boring, BEYOND precision boring tools, steel shank boring bar supplier, multi-lock clamp boring bar