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MICRO-QUIK Boring Bar: Boring, 5/16 in Shank Dia., AlTiN - Machining
MICRO-QUIKMachining

MICRO-QUIK Boring Bar: Boring, 5/16 in Shank Dia., AlTiN

The MICRO-QUIK Boring Bar is a machining tool with a 5/16 in shank diameter, featuring an AlTiN coating and a 0.1338 in center-to-cutting-tip offset (MPN QBB-290500X). 3G Electric interprets your demand for this…

SKU 3G-OTH-245510

Also listed as: QBB290500X · QBB 290500X

Brand
MICRO-QUIK
Item
Boring Bar: Boring, 5/16 in Shank Dia., AlTiN
Category
Machining
Available to Order
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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-QUIK
Manufacturer Part Number
QBB-290500X
Type
AlTiN, 0.1338 in Center to Cutting Tip
Shank Dia.
5/16 in

Technical Documents

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

Product Description

The MICRO-QUIK Boring Bar is a machining tool with a 5/16 in shank diameter, featuring an AlTiN coating and a 0.1338 in center-to-cutting-tip offset (MPN QBB-290500X). 3G Electric interprets your demand for this precision boring bar, sources it from MICRO-QUIK, and supports your machining operations across 14 industrial departments — with specialist depth in combustion, pumps, and controls as a trust anchor.

Frequently Asked Questions

What is the MICRO-QUIK QBB-290500X boring bar used for?

The MICRO-QUIK QBB-290500X is a boring bar used for precision internal machining operations. It is designed for boring holes to tight tolerances in metalworking applications, commonly in tool and die, mold making, and general machining. The AlTiN coating enhances wear resistance and tool life.

What are the specifications of the MICRO-QUIK QBB-290500X boring bar?

The MICRO-QUIK QBB-290500X boring bar has a 5/16 in shank diameter and a 0.1338 in center-to-cutting-tip dimension. It features an AlTiN coating for improved hardness and heat resistance. The manufacturer part number is QBB-290500X, and it is designed for boring operations in machining.

Where to buy the MICRO-QUIK QBB-290500X boring bar worldwide?

3G Electric supplies the MICRO-QUIK QBB-290500X boring bar to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this precision boring tool.

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

To select the correct boring bar, match the shank diameter to your toolholder, and ensure the center-to-cutting-tip dimension fits the required bore size. Consider coating type—AlTiN suits high-temperature alloys. For the MICRO-QUIK QBB-290500X, verify the 5/16 in shank and 0.1338 in offset meet your job specs.

Used in

Common applications for MICRO-QUIK
Aerospace component manufacturing — MICRO-QUIK QBB series boring bars for precision valve body bores
Medical device machining — MICRO-QUIK QMBB series micro-boring bars for implant drill guide holes
General engineering — MICRO-QUIK QBB-3602500 for finishing bearing housing bores in mild steel
Tool and die making — MICRO-QUIK AlTiN-coated bars for hardened steel mold core pin bores
Automotive repair — MICRO-QUIK bright bars for reaming brake cylinder bores in aluminum calipers

MICRO-QUIK Products

3G Electric supplies MICRO-QUIK 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-QUIK Boring Bar: Boring, 5/16 in Shank Dia., AlTiN, 0.1338 in Center to Cutting Tip (MPN QBB-2901750X)
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MICRO-QUIK Boring Bar: Boring, 5/16 in Shank Dia., AlTiN, 0.1338 in Center to Cutting Tip (MPN QBB-2901750X)
MICRO-QUIK Boring Bar: Boring, 5/16 in Shank Dia., AlTiN, 0.1338 in Center to Cutting Tip (MPN QBB-290750X)
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MICRO-QUIK Boring Bar: Boring, 5/16 in Shank Dia., AlTiN, 0.1338 in Center to Cutting Tip (MPN QBB-290750X)
MICRO-QUIK Boring Bar: Boring, 5/16 in Shank Dia., AlTiN, 0.1338 in Center to Cutting Tip (MPN QBB-2901500X)
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MICRO-QUIK Boring Bar: Boring, 5/16 in Shank Dia., AlTiN, 0.1338 in Center to Cutting Tip (MPN QBB-2901500X)
MICRO-QUIK Boring Bar: Boring, 5/16 in Shank Dia., AlTiN, 0.1338 in Center to Cutting Tip (MPN QBB-2901000X)
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MICRO-QUIK Boring Bar: Boring, 5/16 in Shank Dia., AlTiN, 0.1338 in Center to Cutting Tip (MPN QBB-2901000X)
MICRO-QUIK Boring Bar: Boring, 5/16 in Shank Dia., AlTiN, 0.1338 in Center to Cutting Tip (MPN QBB-2901250X)
MICRO-QUIK
MICRO-QUIK Boring Bar: Boring, 5/16 in Shank Dia., AlTiN, 0.1338 in Center to Cutting Tip (MPN QBB-2901250X)
MICRO-QUIK Boring Bar: Boring, 5/16 in Shank Dia., AlTiN, 0.0738 in Center to Cutting Tip (MPN QBB-230750X)
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MICRO-QUIK Boring Bar: Boring, 5/16 in Shank Dia., AlTiN, 0.0738 in Center to Cutting Tip (MPN QBB-230750X)

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