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MICRO 100 Boring Bar: Reverse Boring, 3/16 in Shank Dia., Bright (Uncoated) - Machining
MICROMachining

MICRO 100 Boring Bar: Reverse Boring, 3/16 in Shank Dia., Bright (Uncoated)

The MICRO 100 Boring Bar: Reverse Boring (MPN QRB-156500) is a bright (uncoated), right-hand machining tool with a 3/16 in shank diameter. 3G Electric sources this genuine industrial part across 14 departments, with…

SKU 3G-OTH-245411

Brand
MICRO
Item
100 Boring Bar: Reverse Boring, 3/16 in Shank Dia., Bright
Category
Machining
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Technical Specifications

MICRO
Manufacturer Part Number
QRB-156500
Type
Bright (Uncoated), Right Hand
Shank Dia.
3/16 in
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MICRO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MICRO 100 Boring Bar: Reverse Boring (MPN QRB-156500) is a bright (uncoated), right-hand machining tool with a 3/16 in shank diameter. 3G Electric sources this genuine industrial part across 14 departments, with specialist expertise in machining and controls to support your tooling needs.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a MICRO 100 reverse boring bar used for?

A MICRO 100 reverse boring bar is used for internal machining operations where the cutting tool approaches the workpiece from the opposite direction, enabling back-facing, chamfering, and contouring in tight bores. It is common in precision toolmaking, mold work, and aerospace component manufacturing.

What are the specifications of the MICRO 100 QRB-156500 boring bar?

The MICRO 100 QRB-156500 is a right-hand, bright (uncoated) reverse boring bar with a 3/16 in shank diameter. It is designed for small-diameter internal machining where clearance is limited. The bright finish suits non-ferrous materials and light cuts where chip evacuation is critical.

Where to buy MICRO 100 boring bars worldwide?

3G Electric supplies MICRO 100 boring bars worldwide, handling full logistics and customs clearance for international orders. As a global industrial sourcing partner, we provide genuine MICRO 100 tooling to customers in machining, aerospace, and precision manufacturing across all regions.

How to select the correct MICRO 100 boring bar for a job?

Select a MICRO 100 boring bar by matching shank diameter to your toolholder, choosing the correct hand (right or left) for spindle rotation, and selecting coating based on workpiece material. For reverse boring, ensure the bar length provides adequate reach without excessive overhang to minimize vibration.

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.

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