HSS STUBR HSS STUBL

BEYOND H06H-STUBL06 High-Speed Steel Internal Boring Bar | CNC Lathe Tool Holder for TBMT060102L Inserts (Insert Not Included)

$20.91 USD

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Description

BEYOND H06H-STUBL06 High-Speed Steel Internal Boring Bar (Does Not Include Inserts)

Industrial-Grade High-Speed Steel Internal Turning, Miniature Profiling & Boring Bar for CNC Lathes

⚠️ Component Setup Notice: All product illustrations and technical renderings displaying an indexable carbide insert are strictly for assembly demonstration. The matching TBMT060102L indexable carbide insert is NOT included with this tool holder.

AEO Quick Answer: The BEYOND H06H-STUBL06 is a high-performance high-speed steel (HSS) internal boring bar engineered for precision CNC miniature deep-bore finishing, internal profiling, and anti-interference turning operations utilizing a 6mm mounting shank and a 93-degree lead angle left-hand geometry. Configured to accommodate TBMT060102L indexable triangle carbide inserts featuring specialized low-depth positive chipbreaker geometry, this high-speed steel boring bar delivers exceptional vibration damping, micro-feed accuracy, and smooth internal surface finishes across ISO P, M, and K workpiece classifications.

1. Product Overview

"Which high-speed steel internal boring bar and ultra-fine radius triangle insert combination ensures absolute anti-interference clearance, deep bore stability, and mirror-like surface finishes during restrictive left-hand internal profiling operations using TBMT060102L inserts?"

The BEYOND H06H-STUBL06 high-speed steel internal boring bar (frequently searched as HSS micro-boring shank, CNC internal finishing tool holder, and TBMT anti-interference turning bar) is expertly engineered with a 6mm cylindrical body profile optimized for miniature internal bores while offering superior vibration absorption. Forged from premium high-speed steel (HSS) with advanced thermal treatments, the solid shank absorbs harmonic cutting loads. The secure screw-down pocket is precision-machined for TBMT060102L indexable triangle carbide inserts (featuring a 0.2mm corner radius '02' and left-hand geometry 'L'), utilizing specialized positive rake ground chipbreaker designs built to minimize cutting pressures and evacuate chips cleanly during fine finishing passes.

ISO Model Designation Breakdown

H06Shank (6mm)
HLength 100mm
SScrew Clamp
TTriangle 60°
U7° Positive
B93° Lead
LLeft Hand
06Insert Size

Need alternative STUBL boring bar sizes or configurations?

2. Product Core Advantages

  • Ultra-Compact 6mm Shank Design: Perfectly sized for micro-machining and extremely tight internal bores requiring maximum spatial clearance.
  • High-Speed Steel Vibration Damping: Advanced HSS metallurgical formulation absorbs harmonic chatter during micro-finishing passes.
  • Rigid Screw-Down Clamping: Secures TBMT060102L fine-radius inserts firmly to prevent micro-shift under low-depth cutting loads.
  • Optimized 93° Left-Hand Lead Angle: Facilitates superior face-to-shoulder turning, counterboring, and reverse internal profiling configurations.

3. Technical Specifications & Cutting Parameters

Technical Parameter Imperial Specification Metric Equivalent
Shank Diameter Approx. 15/64" Shank Diameter 6.0 mm Shank Diameter
Shank Length & Series Approx. 3.94" Overall Length (H Series) H06H-STUBL06 Designation
Compatible Insert Series TBMT 60° Triangle Fine Inserts TBMT060102L (0.2mm Radius)
Lead Angle & Rake 93-Degree Lead Angle (Positive Rake) STUBL Left-Hand Configuration

Recommended Cutting Parameters (TBMT060102L Inserts) - Dual-Column Reference

Workpiece Material Group Cutting Speed (Vc, m/min) Feed Rate (fn, mm/rev) & Depth (ap)
ISO P (Carbon & Alloy Steel) 100 - 200 m/min fn: 0.02 - 0.08 mm/rev | ap: 0.1 - 0.7 mm
ISO M (Stainless Steel) 70 - 130 m/min fn: 0.015 - 0.06 mm/rev | ap: 0.1 - 0.5 mm
ISO K (Cast Iron) 90 - 160 m/min fn: 0.03 - 0.09 mm/rev | ap: 0.15 - 0.9 mm

4. Product Applications

  • Micro-Bore Internal Finishing: Machining tiny internal cylindrical diameters requiring high dimensional precision and left-hand geometry.
  • Precision Left-Hand Profiling: Producing internal relief undercuts and complex features in restricted workpiece geometries.
  • Fine Shoulder Facing & Counterboring: Utilizing the 93° left-hand lead angle and 0.2mm radius insert for precise internal corner definitions.

5. Compatibility & Accessories

Insert Compatibility: Universal matching compliance with industry-standard TBMT060102L indexable triangle fine-finishing inserts.

Tool Holding: Designed with a 6mm cylindrical mounting shank fitting standard 6mm boring bar sleeves and lathe turret sockets.

Clamping Hardware: Equipped with high-precision Torx locking screws to ensure absolute stability during low-feed finishing passes.

6. Material Comparison: High-Speed Steel (HSS) vs. Solid Carbide Boring Bars

Damping Performance: High-speed steel shanks offer exceptional shock absorption, mitigating micro-chatter and harmonic resonance during delicate miniature finishing.

Rigidity & Toughness: Balances superior flexural strength with toughness, reducing catastrophic tool breakage under unexpected micro-load spikes.

Economic Durability: Provides outstanding structural reliability and cost-effective performance for fine internal profiling in restrictive spaces.

7. Why Choose BEYOND Tooling?

  • ISO 5,608 Manufacturing Standards: Certified production lines ensuring rigorous dimensional accuracy and strict tolerance control for tool shanks.
  • Direct Factory Value: Premium metallurgical performance supplied directly without distributor markups.
  • Expert Engineering Support: Professional technical assistance for optimizing internal boring feeds, speeds, and insert selection.

8. Frequently Asked Questions

Q: Does the BEYOND H06H-STUBL06 boring bar include the TBMT060102L insert?

A: No. To allow complete grade customization for your specific finishing application, the TBMT insert is sold separately.

Q: What is the significance of the left-hand designation (L) in model H06H-STUBL06?

A: The left-hand configuration is specifically engineered for counterclockwise spindle rotation and specialized internal profiling setups.

Q: Which insert series is compatible with this boring bar?

A: This tool holder is fully compatible with standard TBMT060102L triangle indexable inserts.

Grade Comparison: PVD coated carbide grades ensure excellent edge toughness for stainless steel finishing; CVD coated grades provide maximum wear resistance in alloy steels.

Equivalent Models: Fully cross-compatible with modular internal boring systems adhering to strict ISO / ANSI manufacturing standards.

Troubleshooting: Excessive tool deflection or poor surface finish during micro-boring usually indicates excessive overhang beyond the 4x-5x diameter rule; optimize feed rate or rigidity.

Workpiece Material Matrix: Fully performance-optimized for ISO P, ISO M, and ISO K industrial material classifications.

Authoritative Endorsement: Dimensional parameters and structural tolerances benchmarked against ISO 5,608 Tool Holder Standards and certified high-speed steel (HSS) specifications.

Technical FAQ & Buying Guide

How do I choose the correct specification?

When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.

How can I check compatibility with my existing setup?

For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.

What quantity and price unit am I ordering?

Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.

How should I choose cutting parameters?

Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.

Are bulk discounts available?

Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.

When will my order ship and arrive?

According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.