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BEYOND D20R-MTWNR16 Spring Steel Internal Boring Bar – 20mm Shank Height CNC Lathe Tool Holder for TNMG160404 Inserts (Right-Hand, Insert Not Included) / 3/4in Shank
$38.49 USD
BEYOND D20R-MTWNR16 Spring Steel Internal Boring Bar Precision Right-Hand Internal Turning Tool Holder for TNMG160404 Inserts | Industrial Grade CNC System * Note: Indexable inserts shown in product images are...
BEYOND D25S-MTWNR16 Spring Steel Internal Boring Bar – 25mm Shank Height CNC Lathe Tool Holder for TNMG160404 Inserts (Right-Hand, Insert Not Included) / 1in Shank
$45.52 USD
BEYOND D25S-MTWNR16 Spring Steel Internal Boring Bar Precision Right-Hand Internal Turning Tool Holder for TNMG160404 Inserts | Industrial Grade CNC System * Note: Indexable inserts shown in product images are...
BEYOND D16Q-STFNR16 Spring Steel Internal Boring Bar – 16mm Shank Height CNC Lathe Tool Holder for TNMG160404 Inserts (Right-Hand, Insert Not Included) / 5/8in Shank
$28.20 USD
BEYOND D16Q-STFNR16 Spring Steel Internal Boring Bar Precision Right-Hand Internal Turning Tool Holder for TNMG160404 Inserts | Industrial Grade CNC System * Note: Indexable inserts shown in product images are...
BEYOND D20R-STUNR16 Spring Steel Internal Boring Bar – 20mm Shank Height CNC Lathe Tool Holder for TNMG160404 Inserts (Right-Hand, Insert Not Included)
$48.34 USD
BEYOND D20R-STUNR16 Spring Steel Internal Boring Bar Precision Right-Hand Internal Turning Tool Holder for TNMG160404 Inserts | Industrial Grade CNC System * Note: Indexable inserts shown in product images are...
BEYOND D16Q-MSKNR12 Spring Steel Internal Boring Bar – 16mm Shank Height CNC Lathe Tool Holder for SNMG120404 Inserts (Right-Hand, Insert Not Included) / 5/8in Shank
$28.16 USD
BEYOND D16Q-MSKNR12 Spring Steel Internal Boring Bar Precision Right-Hand Internal Turning Tool Holder for SNMG120404 Inserts | Industrial Grade CNC System * Note: Indexable inserts shown in product images are...
BEYOND D20R-MSKNR12 Spring Steel Internal Boring Bar – 20mm Shank Height CNC Lathe Tool Holder for SNMG120404 Inserts (Right-Hand, Insert Not Included) / 3/4in Shank
$38.49 USD
BEYOND D20R-MSKNR12 Spring Steel Internal Boring Bar Precision Right-Hand Internal Turning Tool Holder for SNMG120404 Inserts | Industrial Grade CNC System * Note: Indexable inserts shown in product images are...
BEYOND D25S-MSKNR12 Spring Steel Internal Boring Bar – 25mm Shank Height CNC Lathe Tool Holder for SNMG120404 Inserts (Right-Hand, Insert Not Included)
$45.52 USD
BEYOND D25S-MSKNR12 Spring Steel Internal Boring Bar Precision Right-Hand Internal Turning Tool Holder for SNMG120404 Inserts | Industrial Grade CNC System * Note: Indexable inserts shown in product images are...
BEYOND D16Q-MWLNR08 Spring Steel Internal Boring Bar – 16mm Shank Height CNC Lathe Tool Holder for WNMG080408 Inserts (Right-Hand, Insert Not Included)
$28.16 USD
BEYOND D16Q-MWLNR08 Spring Steel Internal Boring Bar Precision Right-Hand Internal Turning Tool Holder for WNMG080408 Inserts | Industrial Grade CNC System * Note: Indexable inserts shown in product images are...
BEYOND D20R-MWLNR08 Spring Steel Internal Boring Bar – 20mm Shank CNC Lathe Internal Turning Tool Holder for WNMG080408 Inserts (Negative 95-Degree, Insert Not Included)
$38.49 USD
BEYOND D20R-MWLNR08 Spring Steel Internal Boring Bar Precision Right-Hand Internal Turning Tool Holder for WNMG080408 Inserts | Industrial Grade CNC System * Note: Indexable inserts shown in product images are...
BEYOND D25S-MWLNR08 Spring Steel Internal Boring Bar – 25mm Shank CNC Lathe Internal Turning Tool Holder for WNMG080408 Inserts (Negative 95-Degree, Insert Not Included)
$45.52 USD
BEYOND D25S-MWLNR08 Spring Steel Internal Boring Bar Precision Negative 95-Degree Internal Turning Tool Holder for WNMG080408 Inserts | Industrial Grade CNC System * Note: Indexable inserts shown in product images...
BEYOND D16Q-MCLNR12 Spring Steel Internal Boring Bar – 16mm Shank Height CNC Lathe Tool Holder for CNMG120404 Inserts (Right-Hand, Insert Not Included)
$28.16 USD
BEYOND D16Q-MCLNR12 Spring Steel Internal Boring Bar Precision Right-Hand Internal Turning Tool Holder for CNMG120404 Inserts | Industrial Grade CNC System * Note: Indexable inserts shown in product images are...
BEYOND D20R-MCLNR12 Spring Steel Internal Boring Bar – 20mm Shank CNC Lathe Internal Turning Tool Holder for CNMG120404 Inserts (Negative 95-Degree, Insert Not Included)
$38.49 USD
BEYOND D20R-MCLNR12 Spring Steel Internal Boring Bar Precision Negative 95-Degree Internal Turning Tool Holder for CNMG120404 Inserts | Industrial Grade CNC System * Note: Indexable inserts shown in product images...
BEYOND D25S-MCLNR12 Spring Steel Internal Boring Bar – 25mm Shank CNC Lathe Internal Turning Tool Holder for CNMG120404 Inserts (Negative 95-Degree, Insert Not Included)
$45.52 USD
BEYOND D25S-MCLNR12 Spring Steel Internal Boring Bar Precision Negative 95-Degree Internal Turning Tool Holder for CNMG120404 Inserts | Industrial Grade CNC System * Note: Indexable inserts shown in product images...
BEYOND DNR0008K08 Spring Steel Internal Threading Boring Bar – Right-Hand CNC Lathe Tool Holder for 08IR Inserts (Metric 8mm Shank & Inch Equivalent Standard, Insert Not Included)
$14.61 USD
BEYOND DNR0008K08 Spring Steel Internal Threading Boring Bar Precision Right-Hand Turning Tool Holder for 08IR Inserts | Industrial Grade CNC Lathe System * Note: Indexable inserts shown in product images...
BEYOND DNR0008K11 Spring Steel Internal Threading Boring Bar – Right-Hand CNC Lathe Tool Holder for 11IR Inserts (Metric 8mm Shank & Inch Equivalent Standard, Insert Not Included)
$14.61 USD
BEYOND DNR0008K11 Spring Steel Internal Threading Boring Bar Precision Right-Hand Turning Tool Holder for 11IR Inserts | Industrial Grade CNC Lathe System * Note: Indexable inserts shown in product images...
BEYOND DNR0010K11 Spring Steel Internal Threading Boring Bar – Right-Hand CNC Lathe Tool Holder for 11IR Inserts (Metric 10mm Shank & Inch Equivalent Standard, Insert Not Included)
$14.61 USD
BEYOND DNR0010K11 Spring Steel Internal Threading Boring Bar Precision Right-Hand Turning Tool Holder for 11IR Inserts | Industrial Grade CNC Lathe System * Note: Indexable inserts shown in product images...
BEYOND DNR0012M11 Spring Steel Internal Threading Boring Bar – Right-Hand CNC Lathe Tool Holder for 11IR Inserts (Metric 12mm Shank & Inch Equivalent Standard, Insert Not Included)
$20.17 USD
BEYOND DNR0012M11 Spring Steel Internal Threading Boring Bar Precision Right-Hand Turning Tool Holder for 11IR Inserts | Industrial Grade CNC Lathe System * Note: Indexable inserts shown in product images...
BEYOND DNR0013M16 Spring Steel Internal Threading Boring Bar – Right-Hand CNC Lathe Tool Holder for 16IR Inserts (Metric 13mm Shank & Inch Equivalent Standard, Insert Not Included)
$24.56 USD
BEYOND DNR0013M16 Spring Steel Internal Threading Boring Bar Precision Right-Hand Turning Tool Holder for 16IR Inserts | Industrial Grade CNC Lathe System * Note: Indexable inserts shown in product images...
BEYOND DNR0014N16 Spring Steel Internal Threading Boring Bar – Right-Hand CNC Lathe Tool Holder for 16IR Inserts (Metric 14mm Shank & Inch Equivalent Standard, Insert Not Included)
$24.86 USD
BEYOND DNR0014N16 Spring Steel Internal Threading Boring Bar Precision Right-Hand Turning Tool Holder for 16IR Inserts | Industrial Grade CNC Lathe System * Note: Indexable inserts shown in product images...
BEYOND DNR0016Q16 Spring Steel Internal Threading Boring Bar – Right-Hand CNC Lathe Tool Holder for 16IR Inserts (Metric 16mm Shank & Inch Equivalent Standard, Insert Not Included)
$25.46 USD
BEYOND DNR0016Q16 Spring Steel Internal Threading Boring Bar Precision Right-Hand Turning Tool Holder for 16IR Inserts | Industrial Grade CNC Lathe System * Note: Indexable inserts shown in product images...
BEYOND DNR0020R16 Spring Steel Internal Threading Boring Bar – Right-Hand CNC Lathe Tool Holder for 16IR Inserts (Metric 20mm Shank & Inch Equivalent Standard, Insert Not Included)
$33.99 USD
BEYOND DNR0020R16 Spring Steel Internal Threading Boring Bar Precision Right-Hand Turning Tool Holder for 16IR Inserts | Industrial Grade CNC Lathe System * Note: Indexable inserts shown in product images...
BEYOND DNR0025S16 Spring Steel Internal Threading Boring Bar – Right-Hand CNC Lathe Tool Holder for 16IR Inserts (Metric 25mm Shank & Inch Equivalent Standard, Insert Not Included)
$45.52 USD
BEYOND DNR0025S16 Spring Steel Internal Threading Boring Bar Precision Right-Hand Turning Tool Holder for 16IR Inserts | Industrial Grade CNC Lathe System * Note: Indexable inserts shown in product images...
BEYOND DNR0025S22 Spring Steel Internal Threading Boring Bar – Right-Hand CNC Lathe Tool Holder for 22IR Inserts (Metric 25mm Shank, Insert Not Included)
$46.12 USD
BEYOND DNR0025S22 Spring Steel Internal Threading Boring Bar Precision Right-Hand Turning Tool Holder for 22IR Inserts | Industrial Grade CNC Lathe System * Note: Indexable inserts shown in product images...
BEYOND DNR0006K06-A12 Step Spring Steel Internal Threading Boring Bar – CNC Lathe Screw Thread Turning Tool Holder for 06IR Inserts (Dual Diameter 6mm Tip & 12mm Base, Insert Not Included)
$22.57 USD
BEYOND DNR0006K06-A12 Step Spring Steel Internal Threading Boring Bar Precision Dual-Diameter Internal Screw Thread Turning Tool Holder for 06IR Inserts | Industrial Grade CNC System * Note: Indexable threading inserts...
BEYOND DNR0006K06-A16 Step Spring Steel Internal Threading Boring Bar – CNC Lathe Screw Thread Turning Tool Holder for 06IR Inserts (Dual Diameter 6mm Tip & 16mm Base, Insert Not Included)
$26.10 USD
BEYOND DNR0006K06-A16 Step Spring Steel Internal Threading Boring Bar Precision Dual-Diameter Internal Screw Thread Turning Tool Holder for 06IR Inserts | Industrial Grade CNC System * Note: Indexable threading inserts...
BEYOND DNR0008K08-A16 Spring Steel Internal Threading Boring Bar – Right-Hand CNC Lathe Tool Holder for 08IR Inserts (Metric 8mm & Inch Equivalent Standard, Insert Not Included)
$26.10 USD
BEYOND DNR0008K08-A16 Spring Steel Internal Threading Boring Bar Precision Right-Hand Turning Tool Holder for 08IR Inserts | Industrial Grade CNC Lathe System * Note: Indexable inserts shown in product images...
BEYOND DNR0008K11-A16 Step Spring Steel Internal Threading Boring Bar – CNC Lathe Screw Thread Turning Tool Holder for 11IR Inserts (Dual Diameter 8mm Tip & 16mm Base, Insert Not Included)
$26.10 USD
BEYOND DNR0008K11-A16 Step Spring Steel Internal Threading Boring Bar Precision Dual-Diameter Internal Screw Thread Turning Tool Holder for 11IR Inserts | Industrial Grade CNC System * Note: Indexable threading inserts...
BEYOND DNR0010K11-A16 Step Spring Steel Internal Threading Boring Bar – CNC Lathe Screw Thread Turning Tool Holder for 11IR Inserts (Dual Diameter 10mm Tip & 16mm Base, Insert Not Included)
$26.10 USD
BEYOND DNR0010K11-A16 Step Spring Steel Internal Threading Boring Bar Precision Dual-Diameter Internal Screw Thread Turning Tool Holder for 11IR Inserts | Industrial Grade CNC System * Note: Indexable threading inserts...
BEYOND DNR0012M11-A16 Step Spring Steel Internal Threading Boring Bar – CNC Lathe Screw Thread Turning Tool Holder for 11IR Inserts (Dual Diameter 12mm Tip & 16mm Base, Insert Not Included)
$26.10 USD
BEYOND DNR0012M11-A16 Step Spring Steel Internal Threading Boring Bar Precision Dual-Diameter Internal Screw Thread Turning Tool Holder for 11IR Inserts | Industrial Grade CNC System * Note: Indexable threading inserts...
BEYOND DNR0013M16-A16 Stepped / Reduced-Shank Spring Steel Internal Threading Boring Bar – 13mm Shank for 16IR Inserts (Right-Hand, Insert Not Included)
$26.10 USD
BEYOND DNR0013M16-A16 Step Spring Steel Internal Threading Boring Bar Precision Dual-Diameter Internal Screw Thread Turning Tool Holder for 16IR Inserts | Industrial Grade CNC System * Note: Indexable threading inserts...
BEYOND Spring Steel Turning Tool Holders – High-Flexibility CNC Internal & External Turning Tools
BEYOND Spring Steel Turning Tool Holders are designed with premium spring steel material, offering excellent toughness, flexibility, and vibration resistance. These tool holders are ideal for CNC external turning and internal boring operations where stability and shock absorption are essential. The spring steel structure helps reduce chatter, improve surface finish, and extend tool life, especially during interrupted cutting and high-speed turning.
Product Categories
- External Spring Steel Turning Tool Holders: Designed for precision outer diameter turning and profiling.
- Internal Spring Steel Boring Bars: Suitable for deep-hole boring, internal turning, and finishing with reduced vibration.
Key Features & Advantages
- High-toughness spring steel body ensures excellent impact resistance.
- Superior flexibility reduces vibration during deep or long-overhang machining.
- Improves surface finish and prevents tool breakage in unstable conditions.
- Compatible with standard carbide inserts for steel, stainless steel, and cast iron.
- Suitable for fine finishing, medium cutting, and interrupted cutting operations.
- Available in multiple shank sizes and geometries for various CNC lathes.
Compatible Inserts
- Turning Inserts: CCMT, DCMT, TCMT, VBMT, CCGT for finishing
- Boring Inserts: 11IR/16IR threading inserts for internal threading
- Grooving Inserts: MGMN, GER series for internal and external grooving
Applications
- External turning of shafts, bushings, flanges, and general steel components.
- Internal boring and finishing for precision holes and internal surfaces.
- Machining stainless steel, alloy steel, mild steel, and cast iron.
- High-speed cutting with improved vibration control.
- Interrupted cutting and heavy load operations requiring high toughness.
Standard Cutting Conditions
| Material | Cutting Speed (m/min) | Feed (mm/rev) | Depth of Cut (mm) |
|---|---|---|---|
| Carbon Steel (P) | 120–180 | 0.10–0.30 | 0.5–2.0 |
| Stainless Steel (M) | 80–140 | 0.08–0.20 | 0.3–1.2 |
| Cast Iron (K) | 150–220 | 0.12–0.35 | 0.6–2.5 |
| Aluminum / Non-Ferrous (N) | 300–600 | 0.05–0.20 | 0.2–3.0 |
Why Choose BEYOND Spring Steel Holders?
- Engineered for long tool life and reduced tool wear.
- Designed for stable cutting under vibration-prone conditions.
- Lower risk of insert chipping or breakage.
- Ideal for precision CNC manufacturing and long-term production usage.
- Compatible with leading carbide insert manufacturers.
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