Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., Bright (Uncoated) - Machining
MICROMachining

MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., Bright (Uncoated)

The MICRO 100 Boring Bar is a reverse-boring tool for machining, with a 1/2 in shank diameter, bright (uncoated) finish, and right-hand orientation (MPN QRB-4601500). 3G Electric sources this genuine industrial…

SKU 3G-OTH-247362

Also listed as: QRB4601500 · QRB 4601500

Brand
MICRO
Item
100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., Bright
Category
Machining
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MICRO
Manufacturer Part Number
QRB-4601500
Type
Bright (Uncoated), Right Hand
Shank Dia.
1/2 in

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The MICRO 100 Boring Bar is a reverse-boring tool for machining, with a 1/2 in shank diameter, bright (uncoated) finish, and right-hand orientation (MPN QRB-4601500). 3G Electric sources this genuine industrial cutting tool across 14 departments, with specialist expertise in combustion, pumps, and controls ensuring accurate fulfillment.

Frequently Asked Questions

What is the MICRO 100 QRB-4601500 boring bar used for?

The MICRO 100 QRB-4601500 is a reverse boring bar for right-hand, bright uncoated machining. It is used in lathes and CNC machines to create internal diameters, back-face, or undercut features where conventional boring bars cannot reach, common in precision tool and die work.

What are the specifications of the MICRO 100 QRB-4601500 boring bar?

The MICRO 100 QRB-4601500 has a 1/2 in shank diameter, is bright (uncoated), and right hand. It is designed for reverse boring operations. The manufacturer part number is QRB-4601500. This tool is suitable for general-purpose machining of steels and non-ferrous materials.

Where to buy the MICRO 100 QRB-4601500 boring bar worldwide?

3G Electric supplies the MICRO 100 QRB-4601500 boring bar to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine MICRO 100 tooling and support your machining needs across all regions.

How to select the correct MICRO 100 boring bar for reverse boring?

Select a MICRO 100 reverse boring bar like the QRB-4601500 based on shank diameter (1/2 in), hand (right), and coating (bright uncoated). Ensure the bar length and insert geometry match your bore depth and material. For tight clearances, reverse boring bars allow access behind shoulders or in blind bores.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., Bright (Uncoated), Right Hand (MPN QRB-4601800)
MICRO
MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., Bright (Uncoated), Right Hand (MPN QRB-4601800)
MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., Bright (Uncoated), Right Hand (MPN QRB-4601250)
MICRO
MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., Bright (Uncoated), Right Hand (MPN QRB-4601250)
MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., Bright (Uncoated), Right Hand (MPN QRB-4901500)
MICRO
MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., Bright (Uncoated), Right Hand (MPN QRB-4901500)
MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., Bright (Uncoated), Right Hand (MPN QRB-4901000)
MICRO
MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., Bright (Uncoated), Right Hand (MPN QRB-4901000)
MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., Bright (Uncoated), Right Hand (MPN QRB-4901250)
MICRO
MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., Bright (Uncoated), Right Hand (MPN QRB-4901250)
MICRO 100 Boring Bar: Reverse Boring, 1/4 in Shank Dia., Bright (Uncoated), Right Hand (MPN QRB-180500)
MICRO
MICRO 100 Boring Bar: Reverse Boring, 1/4 in Shank Dia., Bright (Uncoated), Right Hand (MPN QRB-180500)

More from MICRO

View all MICRO parts
MICRO 100 Boring Bar: Top Rake Chipbreaker, 5/16 in Shank Dia., Bright (Uncoated), Right Hand (MPN QBT-2301100)
MICRO
MICRO 100 Boring Bar: Top Rake Chipbreaker, 5/16 in Shank Dia., Bright (Uncoated), Right Hand (MPN QBT-2301100)
MICRO 100 Boring Bar: Boring, 8.00mm Shank Dia., TiN, 3.00mm Center to Cutting Tip, Right Hand (MPN BBM-080738G)
MICRO
MICRO 100 Boring Bar: Boring, 8.00mm Shank Dia., TiN, 3.00mm Center to Cutting Tip, Right Hand (MPN BBM-080738G)
MICRO 100 Threading Tool: 3/16 in Shank Dia., Bright (Uncoated), 0.0260 in Center to Cutting Tip (MPN QIT-120750)
MICRO
MICRO 100 Threading Tool: 3/16 in Shank Dia., Bright (Uncoated), 0.0260 in Center to Cutting Tip (MPN QIT-120750)
MICRO 100 Boring Bar: Boring, 1/4 in Shank Dia., TiN, 0.0550 in Center to Cutting Tip, Right Hand (MPN BB-180900G)
MICRO
MICRO 100 Boring Bar: Boring, 1/4 in Shank Dia., TiN, 0.0550 in Center to Cutting Tip, Right Hand (MPN BB-180900G)
MICRO 100 Boring Bar: Helical Back Rake, 3/8 in Shank Dia., Bright (Uncoated), Right Hand (MPN HBB-3601500)
MICRO
MICRO 100 Boring Bar: Helical Back Rake, 3/8 in Shank Dia., Bright (Uncoated), Right Hand (MPN HBB-3601500)
MICRO 100 Threading Tool: 3/16 in Shank Dia., AlTiN, 0.0666 in Center to Cutting Tip, Carbide (MPN QIT-160500X)
MICRO
MICRO 100 Threading Tool: 3/16 in Shank Dia., AlTiN, 0.0666 in Center to Cutting Tip, Carbide (MPN QIT-160500X)
MICRO 100 Boring Bar: Boring, 1/4 in Shank Dia., TiN, 0.0550 in Center to Cutting Tip, Right Hand (MPN BB-1801000SG)
MICRO
MICRO 100 Boring Bar: Boring, 1/4 in Shank Dia., TiN, 0.0550 in Center to Cutting Tip, Right Hand (MPN BB-1801000SG)
MICRO 100 Boring Bar: Boring, 3/16 in Shank Dia., Bright (Uncoated), 0.0260 in Center to Cutting Tip (MPN BB-120350)
MICRO
MICRO 100 Boring Bar: Boring, 3/16 in Shank Dia., Bright (Uncoated), 0.0260 in Center to Cutting Tip (MPN BB-120350)