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MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., AlTiN, Right Hand - Machining
MICROMachining

MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., AlTiN, Right Hand

The MICRO 100 Boring Bar: Top Rake Chipbreaker (MPN QBT-120250X) is a right-hand, AlTiN-coated boring bar with a 3/16 in shank diameter and 0.0040 in radius, designed for machining applications. 3G Electric…

SKU 3G-OTH-247587

Also listed as: QBT120250X · QBT 120250X

Brand
MICRO
Item
100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., AlTiN, Right Hand
Category
Machining
Available to Order
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MICRO
Manufacturer Part Number
QBT-120250X
Type
AlTiN, Right Hand
Radius
0.0040 in
Shank Dia.
3/16 in

Technical Documents

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MICRO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MICRO 100 Boring Bar: Top Rake Chipbreaker (MPN QBT-120250X) is a right-hand, AlTiN-coated boring bar with a 3/16 in shank diameter and 0.0040 in radius, designed for machining applications. 3G Electric interprets customer demand and delivers this genuine industrial tool across 14 departments—including machining—with specialist depth in combustion, pumps, and controls as a trust anchor.

Frequently Asked Questions

What is a MICRO 100 boring bar with top rake chipbreaker used for?

This MICRO 100 boring bar is used for precision internal turning and boring operations in machining. The top rake chipbreaker design improves chip control and evacuation, making it suitable for finishing and semi-finishing cuts in ferrous and non-ferrous materials.

What are the specifications of the MICRO 100 QBT-120250X boring bar?

The MICRO 100 QBT-120250X boring bar has a 3/16 in shank diameter, 0.0040 in radius, and AlTiN coating. It is right-hand cutting and features a top rake chipbreaker. The manufacturer part number is QBT-120250X.

Where to buy MICRO 100 boring bars worldwide?

3G Electric supplies MICRO 100 boring bars worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the QBT-120250X or other MICRO 100 tooling.

How to select the correct boring bar for a machining application?

Select a boring bar based on shank diameter matching your tool holder, reach required for the bore depth, and insert geometry for material type. For finishing, choose a smaller radius like 0.0040 in. MICRO 100 offers AlTiN-coated bars for extended tool life in hardened steels.

Used in

Common applications for MICRO
Aerospace machining — MICRO 100 SCLCR toolholders for turning titanium alloys
Automotive production — MICRO 100 SR series blanks for custom drill bits in engine blocks
Plastic component fabrication — MICRO 100 SFL downcut router bits for acrylic sheet cutting
Aluminum extrusion finishing — MICRO 100 SFA upcut router bits for deburring profiles
Mold and die making — MICRO 100 SCMCN toolholders for profiling hardened steel cavities
Composite panel trimming — MICRO 100 SFPM spiral router bits for carbon fiber laminates

MICRO Products

3G Electric supplies MICRO machining. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., AlTiN, Right Hand, 0.0040 in Radius (MPN QBT-120500X)
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MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., AlTiN, Right Hand, 0.0040 in Radius (MPN QBT-120500X)
MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., AlTiN, Right Hand, 0.0040 in Radius (MPN QBT-120750X)
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MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., AlTiN, Right Hand, 0.0040 in Radius (MPN QBT-120750X)
MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., AlTiN, Right Hand, 0.0040 in Radius (MPN QBT-1201000X)
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MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., AlTiN, Right Hand, 0.0040 in Radius (MPN QBT-1201000X)
MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., AlTiN, Right Hand, 0.0040 in Radius (MPN QBT-110250X)
MICRO
MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., AlTiN, Right Hand, 0.0040 in Radius (MPN QBT-110250X)
MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., AlTiN, Right Hand, 0.0020 in Radius (MPN QBT-060200X)
MICRO
MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., AlTiN, Right Hand, 0.0020 in Radius (MPN QBT-060200X)
MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., AlTiN, Right Hand, 0.0040 in Radius (MPN QBT-110750X)
MICRO
MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., AlTiN, Right Hand, 0.0040 in Radius (MPN QBT-110750X)

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