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BEYOND S32T-STWCR16 Right Hand Internal Boring Bar | 32mm Lathe Tool Holder
$55.19 USD
BEYOND S32T-STWCR16 Right-Hand Internal Turning Tool Holder – Heavy-Duty 32mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S25S-STWCR16 Right Hand Internal Turning Tool Holder | 25mm CNC Boring Bar
$33.16 USD
BEYOND S25S-STWCR16 Right-Hand Internal Turning Tool Holder – High-Rigidity 25mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S25S-STWCR11 Right Hand Internal Turning Tool Holder | 25mm CNC Boring Bar
$33.16 USD
BEYOND S25S-STWCR11 Right-Hand Internal Turning Tool Holder – High-Rigidity 25mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S20R-STWCR16 Right Hand Internal Turning Tool Holder | 20mm CNC Boring Bar
$21.90 USD
BEYOND S20R-STWCR16 Right-Hand Internal Turning Tool Holder – High-Rigidity 20mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S20R-STWCR11 Right Hand Internal Turning Tool Holder | 20mm CNC Boring Bar
$21.90 USD
BEYOND S20R-STWCR11 Right-Hand Internal Turning Tool Holder – High-Rigidity 20mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S20R-STWCL16 Left Hand Internal Turning Tool Holder | 20mm CNC Boring Bar
$21.90 USD
BEYOND S20R-STWCL16 Left-Hand Internal Turning Tool Holder – High-Rigidity 20mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S20R-STWCL11 Left Hand Internal Turning Tool Holder | 20mm CNC Boring Bar
$21.90 USD
BEYOND S20R-STWCL11 Left-Hand Internal Turning Tool Holder – High-Rigidity 20mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S16Q-STWCR16 Right Hand Internal Turning Tool Holder | 16mm CNC Boring Bar
$18.52 USD
BEYOND S16Q-STWCR16 Right-Hand Internal Turning Tool Holder – High-Rigidity 16mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S16Q-STWCR11 Right Hand Internal Turning Tool Holder | 16mm CNC Boring Bar
$18.52 USD
BEYOND S16Q-STWCR11 Right-Hand Internal Turning Tool Holder – High-Rigidity 16mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S16Q-STWCL11 Left Hand Internal Turning Tool Holder | 16mm CNC Boring Bar
$18.52 USD
BEYOND S16Q-STWCL11 Left-Hand Internal Turning Tool Holder – High-Rigidity 16mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S14N-STWCR11 Right Hand Internal Turning Tool Holder | 14mm CNC Boring Bar
$16.31 USD
BEYOND S14N-STWCR11 Right-Hand Internal Turning Tool Holder – High-Rigidity 14mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S14N-STWCL11 Left Hand Internal Turning Tool Holder | 14mm CNC Boring Bar
$16.31 USD
BEYOND S14N-STWCL11 Left-Hand Internal Turning Tool Holder – High-Rigidity 14mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S12M-STWCR11 Right Hand Internal Turning Tool Holder | 12mm CNC Boring Bar
$16.14 USD
BEYOND S12M-STWCR11 Right-Hand Internal Turning Tool Holder – High-Rigidity 12mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S12M-STWCR09 Right Hand Internal Turning Tool Holder | 12mm CNC Boring Bar
$16.14 USD
BEYOND S12M-STWCR09 Right-Hand Internal Turning Tool Holder – High-Rigidity 12mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S12M-STWCL11 Left Hand Internal Turning Tool Holder | 12mm CNC Boring Bar
$16.14 USD
BEYOND S12M-STWCL11 Left-Hand Internal Turning Tool Holder – High-Rigidity 12mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S12M-STWCL09 Left Hand Internal Turning Tool Holder | 12mm CNC Boring Bar
$16.14 USD
BEYOND S12M-STWCL09 Left-Hand Internal Turning Tool Holder – High-Rigidity 12mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S10K-STWCR11 Right Hand Internal Turning Tool Holder | 10mm CNC Boring Bar
$14.85 USD
BEYOND S10K-STWCR11 Right-Hand Internal Turning Tool Holder – High-Rigidity 10mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S10K-STWCR09 Right Hand Internal Turning Tool Holder | 10mm CNC Boring Bar
$14.85 USD
BEYOND S10K-STWCR09 Right-Hand Internal Turning Tool Holder – High-Rigidity 10mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S10K-STWCL11 Left Hand Internal Turning Tool Holder | 10mm CNC Boring Bar
$14.85 USD
BEYOND S10K-STWCL11 Left-Hand Internal Turning Tool Holder – High-Rigidity 10mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S10K-STWCL09 Left Hand Internal Turning Tool Holder | 10mm CNC Boring Bar
$14.85 USD
BEYOND S10K-STWCL09 Left-Hand Internal Turning Tool Holder – High-Rigidity 10mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND S08K-STWCR09 High-Rigidity 8mm Shank 125mm Length Screw Clamped Right Hand CNC Lathe Micro Internal Hole Boring Bar for TCMT 0902 Inserts
$13.50 USD
⚠️ INDUSTRIAL SUPPLY NOTICE: The indexable carbide cutting insert is NOT included with this boring bar package. Product images displaying a mounted insert are provided strictly to illustrate geometric pocket...
BEYOND S08K-STWCL09 Left Hand Internal Turning Tool Holder | 8mm CNC Boring Bar
$14.85 USD
BEYOND S08K-STWCL09 Left-Hand Internal Turning Tool Holder – High-Rigidity 8mm CNC Boring Bar ⚠️ PLEASE NOTE: The indexable carbide insert shown in the product images is for structural demonstration purposes...
BEYOND STWCR/L CNC Turning Boring Bar – Screw Clamp Triangle Insert Holder
The BEYOND STWCR/L boring bar series is an ISO-standard external turning toolholder designed for TCMT triangular inserts. Featuring a steel shank, S-type screw clamp, and 60° tool approach, this tool offers excellent rigidity, chip control, and precision for CNC lathes and turning centers.
ISO Code Interpretation
| ISO Position | Meaning | Description |
|---|---|---|
| 1st Letter | Type of Bar | S = Steel shank (A: steel w/coolant, E: carbide head, C: carbide, X: special) |
| Next 2 Numbers | Bar Diameter | Shank size in mm (e.g., 08 = 8 mm, 16 = 16 mm, 25 = 25 mm) |
| Bar Length Code | Total Bar Length | A=32, B=40, C=50, D=60, E=70, F=80, G=90, H=100, J=110, JX=120, K=125, L=140, M=150, N=160, P=170, Q=180, R=200, S=250, T=300, U=350, V=400, W=450, Y=500 |
| After Hyphen (1st Letter) | Clamping Method | S = Screw-on clamp |
| After Hyphen (2nd Letter) | Insert Shape | T = Triangle insert (TCMT) |
| After Hyphen (3rd Letter) | Cutting Edge Angle | W = 60° entering angle |
| After Hyphen (4th Letter) | Insert Relief Angle | C = 7° Positive (B=5°, D=15°, E=20°, N=0°, P=11°) |
| After Hyphen (5th Letter) | Hand of Tool | R = right-hand, L = left-hand |
| Last Digits | Insert Cutting Edge Length | 09 → TCMT09 / 11 → TCMT11 / 16 → TCMT16 |
Compatible Inserts (TCMT Series)
This toolholder uses: TCMT + last two digits
- STWCR09 / STWCL09 → TCMT0902** / TCMT0904**
- STWCR11 / STWCL11 → TCMT1102** / TCMT1104**
- STWCR16 / STWCL16 → TCMT1604** / TCMT1608**
Recommended Insert Models:
- TCMT090204 / TCMT090408
- TCMT110204 / TCMT110408
- TCMT160404 / TCMT160408
- TCMT-PM / TCMT-MA (steel / stainless steel)
Available STWCR/L Boring Bar Models
| Model | Shank Diameter | Length Code | Hand | Insert Size | Clamping |
|---|---|---|---|---|---|
| S08K-STWCR09 | 8 mm | K = 125 mm | R | TCMT09 | Screw Clamp |
| S08K-STWCL09 | 8 mm | K = 125 mm | L | TCMT09 | Screw Clamp |
| S10K-STWCR09 | 10 mm | K = 125 mm | R | TCMT09 | Screw Clamp |
| S10K-STWCL09 | 10 mm | K = 125 mm | L | TCMT09 | Screw Clamp |
| S12M-STWCR09 | 12 mm | M = 150 mm | R | TCMT09 | Screw Clamp |
| S12M-STWCL09 | 12 mm | M = 150 mm | L | TCMT09 | Screw Clamp |
| S10K-STWCR11 | 10 mm | K = 125 mm | R | TCMT11 | Screw Clamp |
| S10K-STWCL11 | 10 mm | K = 125 mm | L | TCMT11 | Screw Clamp |
| S12M-STWCR11 | 12 mm | M = 150 mm | R | TCMT11 | Screw Clamp |
| S12M-STWCL11 | 12 mm | M = 150 mm | L | TCMT11 | Screw Clamp |
| S14N-STWCR11 | 14 mm | N = 160 mm | R | TCMT11 | Screw Clamp |
| S14N-STWCL11 | 14 mm | N = 160 mm | L | TCMT11 | Screw Clamp |
| S16Q-STWCR11 | 16 mm | Q = 180 mm | R | TCMT11 | Screw Clamp |
| S16Q-STWCL11 | 16 mm | Q = 180 mm | L | TCMT11 | Screw Clamp |
| S20R-STWCR11 | 20 mm | R = 200 mm | R | TCMT11 | Screw Clamp |
| S20R-STWCL11 | 20 mm | R = 200 mm | L | TCMT11 | Screw Clamp |
| S25S-STWCR11 | 25 mm | S = 250 mm | R | TCMT11 | Screw Clamp |
| S16Q-STWCR16 | 16 mm | Q = 180 mm | R | TCMT16 | Screw Clamp |
| S20R-STWCR16 | 20 mm | R = 200 mm | R | TCMT16 | Screw Clamp |
| S20R-STWCL16 | 20 mm | R = 200 mm | L | TCMT16 | Screw Clamp |
| S25S-STWCR16 | 25 mm | S = 250 mm | R | TCMT16 | Screw Clamp |
| S25S-STWCL16 | 25 mm | S = 250 mm | L | TCMT16 | Screw Clamp |
| S32T-STWCR16 | 32 mm | T = 300 mm | R | TCMT16 | Screw Clamp |
Key Features
- ISO-standard STWCR/L triangle insert toolholder
- Screw-on clamp provides stable insert retention
- 60° tool approach angle for sharp cutting and chip control
- Compatible with TCMT positive-rake inserts
- Steel shank for rigidity and reduced vibration
- Suitable for high-speed CNC turning
Applications
- Steel machining (carbon steel, alloy steel)
- Stainless steel (300 / 400 series)
- Non-ferrous metals
- Cast iron
Search Keywords
STWCR boring bar, STWCL turning toolholder, TCMT insert holder, triangle insert boring bar, screw clamp turning holder, CNC lathe toolholder, external turning bar, STWCR09, STWCR11, STWCR16, BEYOND CNC tools, 60 degree turning tool, steel shank turning bar.