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., AlTiN - Machining
MICROMachining

MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., AlTiN

The MICRO 100 Boring Bar: Reverse Boring (MPN QRB-4901500X) is a machining tool with a 1/2 in shank diameter, AlTiN coating, and a 0.2400 in center to cutting tip. 3G Electric interprets customer demand and delivers…

SKU 3G-OTH-247548

Also listed as: QRB4901500X · QRB 4901500X

Brand
MICRO
Item
100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., AlTiN
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-4901500X
Type
AlTiN, 0.2400 in Center to Cutting Tip
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: Reverse Boring (MPN QRB-4901500X) is a machining tool with a 1/2 in shank diameter, AlTiN coating, and a 0.2400 in center to cutting tip. 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-4901500X boring bar used for?

The MICRO 100 QRB-4901500X is a reverse boring bar used in machining to enlarge or finish internal diameters. Its AlTiN coating and 0.2400 in center-to-cutting-tip geometry suit precision work in metalworking, mold making, and aerospace applications.

What are the specifications of the MICRO 100 QRB-4901500X boring bar?

This MICRO 100 boring bar has a 1/2 in shank diameter, an AlTiN coating for wear resistance, and a 0.2400 in center-to-cutting-tip offset. The manufacturer part number is QRB-4901500X. It is designed for reverse boring operations in tight spaces.

Where to buy the MICRO 100 QRB-4901500X boring bar worldwide?

3G Electric supplies the MICRO 100 QRB-4901500X boring bar to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this precision machining tool.

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

Select a MICRO 100 reverse boring bar by matching shank diameter to your tool holder, center-to-cutting-tip offset to the required bore size, and coating (like AlTiN) to workpiece material. For the QRB-4901500X, verify the 1/2 in shank and 0.2400 in offset suit your application.

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., AlTiN, 0.2400 in Center to Cutting Tip (MPN QRB-4901250X)
MICRO
MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., AlTiN, 0.2400 in Center to Cutting Tip (MPN QRB-4901250X)
MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., AlTiN, 0.2400 in Center to Cutting Tip (MPN QRB-4901800X)
MICRO
MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., AlTiN, 0.2400 in Center to Cutting Tip (MPN QRB-4901800X)
MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., AlTiN, 0.2100 in Center to Cutting Tip (MPN QRB-4601800X)
MICRO
MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., AlTiN, 0.2100 in Center to Cutting Tip (MPN QRB-4601800X)
MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., AlTiN, 0.2100 in Center to Cutting Tip (MPN QRB-4601500X)
MICRO
MICRO 100 Boring Bar: Reverse Boring, 1/2 in Shank Dia., AlTiN, 0.2100 in Center to Cutting Tip (MPN QRB-4601500X)
MICRO 100 Boring Bar: Reverse Boring, 1/4 in Shank Dia., AlTiN, 0.0550 in Center to Cutting Tip (MPN QRB-1801000X)
MICRO
MICRO 100 Boring Bar: Reverse Boring, 1/4 in Shank Dia., AlTiN, 0.0550 in Center to Cutting Tip (MPN QRB-1801000X)
MICRO 100 Boring Bar: Reverse Boring, 5/16 in Shank Dia., AlTiN, 0.0738 in Center to Cutting Tip (MPN QRB-230500X)
MICRO
MICRO 100 Boring Bar: Reverse Boring, 5/16 in Shank Dia., AlTiN, 0.0738 in Center to Cutting Tip (MPN QRB-230500X)

More from MICRO

View all MICRO parts
MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., AlTiN, Right Hand, 0.0040 in Radius (MPN QBT-060500X)
MICRO
MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., AlTiN, Right Hand, 0.0040 in Radius (MPN QBT-060500X)
MICRO 100 Boring Bar: Helical Back Rake, 1/8 in Shank Dia., Bright (Uncoated), Right Hand (MPN HBB-020062)
MICRO
MICRO 100 Boring Bar: Helical Back Rake, 1/8 in Shank Dia., Bright (Uncoated), Right Hand (MPN HBB-020062)
MICRO 100 Boring Bar: Helical Back Rake, 1/4 in Shank Dia., Bright (Uncoated), Right Hand (MPN HBB-2101250)
MICRO
MICRO 100 Boring Bar: Helical Back Rake, 1/4 in Shank Dia., Bright (Uncoated), Right Hand (MPN HBB-2101250)
MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., Bright (Uncoated), Right Hand (MPN QBT-120500)
MICRO
MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., Bright (Uncoated), Right Hand (MPN QBT-120500)
MICRO 100 Boring Bar: Top Rake Chipbreaker, 1/4 in Shank Dia., Bright (Uncoated), Right Hand (MPN QBT-180500)
MICRO
MICRO 100 Boring Bar: Top Rake Chipbreaker, 1/4 in Shank Dia., Bright (Uncoated), Right Hand (MPN QBT-180500)
MICRO 100 Boring Bar: Top Rake Chipbreaker, 1/4 in Shank Dia., AlTiN, Right Hand, 0.0060 in Radius (MPN QBT-200600X)
MICRO
MICRO 100 Boring Bar: Top Rake Chipbreaker, 1/4 in Shank Dia., AlTiN, Right Hand, 0.0060 in Radius (MPN QBT-200600X)
MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., Bright (Uncoated), Right Hand (MPN QBT-060400)
MICRO
MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., Bright (Uncoated), Right Hand (MPN QBT-060400)
MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., Bright (Uncoated), Right Hand (MPN QBT-1601000)
MICRO
MICRO 100 Boring Bar: Top Rake Chipbreaker, 3/16 in Shank Dia., Bright (Uncoated), Right Hand (MPN QBT-1601000)