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MICRO QRB-180750X Reverse Boring Bar - Machining

MICROMachining

MICRO QRB-180750X Reverse Boring Bar

The MICRO 100 Boring Bar: Reverse Boring (MPN QRB-180750X) is a machining tool with a 1/4 in shank diameter, featuring an AlTiN coating and a 0.0550 in center to cutting tip.

SKU 3G-OTH-247365

Also listed as: QRB180750X · QRB 180750X

Brand

MICRO

Item

QRB-180750X Reverse Boring Bar

Part Number

QRB-180750X

Category

Machining

Available to Order

Also known as:QRB-180750XMICRO

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Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
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Technical Specifications

MICRO

Manufacturer Part Number

QRB-180750X 

Type

AlTiN, 0.0550 in Center to Cutting Tip 

Shank Dia.

1/4 in 

Technical Documents

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MICRO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MICRO 100 Boring Bar: Reverse Boring (MPN QRB-180750X) is a machining tool with a 1/4 in shank diameter, featuring an AlTiN coating and a 0.0550 in center to cutting tip.

Frequently Asked Questions

What is the MICRO 100 QRB-180750X boring bar used for?

The MICRO 100 QRB-180750X is a reverse boring bar used in machining to create internal diameters and back-face features on workpieces. Its AlTiN coating provides heat resistance and wear protection, making it suitable for precision operations in metalworking and industrial manufacturing.

What are the specifications of the MICRO 100 QRB-180750X boring bar?

This MICRO 100 boring bar has a 1/4 in shank diameter, a 0.0550 in center-to-cutting-tip dimension, and an AlTiN coating. The manufacturer part number is QRB-180750X. It is designed for reverse boring applications in machining.

Where to buy the MICRO 100 QRB-180750X boring bar worldwide?

3G Electric supplies the MICRO 100 QRB-180750X boring bar to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this precision machining tool.

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 1/4 in. Consider the center-to-cutting-tip dimension (0.0550 in) for reach and clearance. The AlTiN coating suits high-temperature materials. Verify your lathe's tool post compatibility before ordering.

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 and their technical documentation.

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This right-hand boring bar features a 1/8 in shank diameter and TiN coating. The center-to-cutting-tip offset is 0.0380 in. It is used for internal boring operations in machining, such as finishing bores in metalworking and mold making

This right-hand boring bar features a 1/8 in shank diameter and TiN coating. The center-to-cutting-tip offset is 0.0380 in. It is used for internal boring operations in machining, such as finishing bores in metalworking and mold making

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This right-hand boring bar features a 5/16 in shank diameter and TiN coating for wear resistance. With a 0.1340 in center-to-cutting-tip offset, it is suited for precision internal boring operations in metalworking and mold making

A right-hand, bright (uncoated) boring bar with a 3/8 in shank diameter. Designed for internal turning, boring, and finishing operations in machining applications

A right-hand, bright (uncoated) boring bar with a 3/8 in shank diameter. Designed for internal turning, boring, and finishing operations in machining applications

Right-hand boring bar with a bright (uncoated) finish and a 1/2 in shank diameter. Designed for internal turning and boring operations in lathes and boring machines, featuring a top rake chipbreaker for improved chip control

Right-hand boring bar with a bright (uncoated) finish and a 1/2 in shank diameter. Designed for internal turning and boring operations in lathes and boring machines, featuring a top rake chipbreaker for improved chip control

Right-hand boring bar with 1/4 in shank diameter, TiN coating, and 0.0750 in center-to-cutting-tip offset. Used for precision internal boring, finishing, and enlarging holes in metalworking applications

Right-hand boring bar with 1/4 in shank diameter, TiN coating, and 0.0750 in center-to-cutting-tip offset. Used for precision internal boring, finishing, and enlarging holes in metalworking applications

This bright (uncoated) boring bar features a 5/16 in shank diameter and a 0.0740 in center-to-cutting-tip dimension. It is used for precision internal boring operations in lathes and milling machines, enabling accurate hole creation or enlargement in metalworking and general manufacturing

This bright (uncoated) boring bar features a 5/16 in shank diameter and a 0.0740 in center-to-cutting-tip dimension. It is used for precision internal boring operations in lathes and milling machines, enabling accurate hole creation or enlargement in metalworking and general manufacturing

This bright, uncoated boring bar is designed for precision internal boring operations in machining. With a 6.00mm shank diameter and 3.00mm center-to-cutting-tip offset, it is suitable for creating or enlarging holes in metalworking and general manufacturing applications requiring tight tolerances

This bright, uncoated boring bar is designed for precision internal boring operations in machining. With a 6.00mm shank diameter and 3.00mm center-to-cutting-tip offset, it is suitable for creating or enlarging holes in metalworking and general manufacturing applications requiring tight tolerances

Left-hand boring bar with 3/8 in shank diameter and TiN coating. Center-to-cutting-tip offset is 0.1330 in. Used for precision internal boring, enlarging, or finishing holes in metalwork, including tool and die making and mold work

Left-hand boring bar with 3/8 in shank diameter and TiN coating. Center-to-cutting-tip offset is 0.1330 in. Used for precision internal boring, enlarging, or finishing holes in metalwork, including tool and die making and mold work

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