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MICRO QBT-120750 Boring Bar, 3/16 in Shank, Bright Uncoated, Right Hand - Machining
MICROMachining

MICRO QBT-120750 Boring Bar, 3/16 in Shank, Bright Uncoated, Right Hand

The MICRO 100 Boring Bar: Top Rake Chipbreaker is a right-hand, bright (uncoated) machining tool with a 3/16 in shank diameter (MPN QBT-120750). 3G Electric interprets customer demand and delivers genuine industrial…

SKU 3G-OTH-245395

Also listed as: QBT120750 · QBT 120750

Brand
MICRO
Item
QBT-120750 Boring Bar, 3/16 in Shank, Bright Uncoated, Right Hand
Part Number
QBT-120750
Category
Machining
Available to Order
Also known as:QBT-120750MICRO
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Technical Specifications

MICRO
Manufacturer Part Number
QBT-120750
Type
Bright (Uncoated), Right Hand
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 is a right-hand, bright (uncoated) machining tool with a 3/16 in shank diameter (MPN QBT-120750). 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the MICRO 100 QBT-120750 boring bar used for?

The MICRO 100 QBT-120750 is a right-hand boring bar with a top rake chipbreaker, designed for internal turning and boring operations in metalworking. It is commonly used in precision machining to enlarge or finish holes in workpieces, particularly in industries like aerospace, automotive, and mold making.

What are the specifications of the MICRO 100 QBT-120750 boring bar?

The MICRO 100 QBT-120750 boring bar has a 3/16 in shank diameter, is bright (uncoated), and features a top rake chipbreaker for improved chip control. It is a right-hand tool, with manufacturer part number QBT-120750. This tool is suitable for general-purpose machining of ferrous and non-ferrous materials.

Where to buy the MICRO 100 QBT-120750 boring bar worldwide?

You can source the MICRO 100 QBT-120750 boring bar through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine MICRO brand tooling for precision machining applications.

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

To select the correct MICRO 100 boring bar, match the shank diameter to your tool holder (e.g., 3/16 in for the QBT-120750), choose the appropriate hand (right or left), and consider the workpiece material. For chip control, a top rake chipbreaker design is recommended for softer materials. Always verify the manufacturer part number for compatibility.

Used in

Common applications for MICRO
General metalworking — Micro 100 AR-style brazed-tip lathe tool bits for turning and facing with positive cutting action.
Job shop machining — Micro 100 BR-style tool bits with side cutting edge angle for higher feed rates in turning operations.
CNC lathe operations — Micro 100 C-style single-point tool bits for general-purpose turning, facing, and boring.
Manual lathe work — Micro 100 D-style multi-functional tool bits for turning, facing, and boring on manual lathes.
Heavy machining — Micro 100 GR-style tool bits with 3/4 in shank width for increased rigidity in single-point turning.
Maintenance and repair — Micro 100 E-style brazed-tip tool bits for boring and facing in maintenance departments.
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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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