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MICRO 100 Boring Bar: Reverse Boring, 5/16 in Shank Dia., AlTiN - Machining
MICROMachining

MICRO 100 Boring Bar: Reverse Boring, 5/16 in Shank Dia., AlTiN

The MICRO 100 Boring Bar: Reverse Boring (MPN QRB-2301000X) is a machining tool with a 5/16 in shank diameter, AlTiN coating, and a 0.0738 in center-to-cutting-tip specification. 3G Electric interprets customer…

SKU 3G-OTH-247916

Also listed as: QRB2301000X · QRB 2301000X

Brand
MICRO
Item
100 Boring Bar: Reverse Boring, 5/16 in Shank Dia., AlTiN
Category
Machining
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MICRO
Manufacturer Part Number
QRB-2301000X
Type
AlTiN, 0.0738 in Center to Cutting Tip
Shank Dia.
5/16 in

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

Product Description

The MICRO 100 Boring Bar: Reverse Boring (MPN QRB-2301000X) is a machining tool with a 5/16 in shank diameter, AlTiN coating, and a 0.0738 in center-to-cutting-tip specification. 3G Electric interprets customer demand and delivers this genuine industrial equipment across 14 departments—and far more—with specialist depth in combustion, pumps, and controls as a trust anchor.

Frequently Asked Questions

What is the MICRO 100 QRB-2301000X boring bar used for?

The MICRO 100 QRB-2301000X is a reverse boring bar used in precision machining to create internal diameters and back-face features. It is ideal for lathe and CNC operations requiring tight tolerances, such as in aerospace, automotive, and medical component manufacturing.

What are the specifications of the MICRO 100 QRB-2301000X boring bar?

The MICRO 100 QRB-2301000X has a 5/16 in shank diameter, an AlTiN coating for wear resistance, and a 0.0738 in center-to-cutting-tip dimension. It is designed for reverse boring applications and is manufactured under MPN QRB-2301000X.

Where to buy the MICRO 100 QRB-2301000X boring bar worldwide?

You can source the MICRO 100 QRB-2301000X boring bar through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct MICRO 100 tool for your machining needs.

How to select the correct MICRO 100 boring bar for my lathe?

To select the correct MICRO 100 boring bar, match the shank diameter to your tool holder's bore size—here 5/16 in. Verify the center-to-cutting-tip dimension (0.0738 in) suits your bore depth. Choose AlTiN coating for high-speed steel applications requiring heat resistance. Consult your machine's specifications for compatibility.

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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Cross-referenced by specification & description
MICRO 100 Boring Bar: Reverse Boring, 5/16 in Shank Dia., AlTiN, 0.0738 in Center to Cutting Tip (MPN QRB-2301250X)
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MICRO 100 Boring Bar: Reverse Boring, 5/16 in Shank Dia., AlTiN, 0.0738 in Center to Cutting Tip (MPN QRB-2301250X)
MICRO 100 Boring Bar: Reverse Boring, 5/16 in Shank Dia., AlTiN, 0.0738 in Center to Cutting Tip (MPN QRB-230500X)
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MICRO 100 Boring Bar: Reverse Boring, 5/16 in Shank Dia., AlTiN, 0.0738 in Center to Cutting Tip (MPN QRB-230500X)
MICRO 100 Boring Bar: Reverse Boring, 5/16 in Shank Dia., AlTiN, 0.0738 in Center to Cutting Tip (MPN QRB-230750X)
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MICRO 100 Boring Bar: Reverse Boring, 5/16 in Shank Dia., AlTiN, 0.0738 in Center to Cutting Tip (MPN QRB-230750X)
MICRO 100 Boring Bar: Reverse Boring, 5/16 in Shank Dia., AlTiN, 0.1438 in Center to Cutting Tip (MPN QRB-300500X)
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MICRO 100 Boring Bar: Reverse Boring, 5/16 in Shank Dia., AlTiN, 0.1438 in Center to Cutting Tip (MPN QRB-300500X)
MICRO 100 Boring Bar: Reverse Boring, 5/16 in Shank Dia., AlTiN, 0.1438 in Center to Cutting Tip (MPN QRB-3001250X)
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MICRO 100 Boring Bar: Reverse Boring, 5/16 in Shank Dia., AlTiN, 0.1438 in Center to Cutting Tip (MPN QRB-3001250X)
MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., AlTiN, 0.2400 in Center to Cutting Tip (MPN QRB-4901250X)
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MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., AlTiN, 0.2400 in Center to Cutting Tip (MPN QRB-4901250X)

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