First-Aid Kits for Circuit Boards ®

110-4105 Micro Drill System

This versatile tool is ideal for milling, drilling, grinding, cutting, and sanding circuit boards. Use it to remove coatings, cuts circuits, cuts leads, drills holes, and perform many other procedures using various interchangeable bits.

Unlike most hand-held tools, the Micro-Drill has a tiny, high-speed DC motor in the handpiece, eliminating bothersome drive cables and giving the technician precise control.

A separate power supply keeps the handpiece lightweight and reduces fatigue.

  • The Micro-Drill System is a repair technician's dream.

  • Flexible telephone-style cord eliminates strain for fine detailed work.

  • Base unit has controls for forward/reverse and speed up to 35,000 RPM.

High quality construction for delicate work.
Flexible telephone-style cord eliminates bothersome drive cables.
Quick change chuck for easy bit replacement.
Versatile forward, reverse, and variable speed up to 35,000 RPM
Lightweight, ergonomically designed hand piece reduces fatigue.
#110-4105-120: 120 VAC 50/60 Hz
#110-4105-220: 220 VAC 50/60 Hz
#110-4105-220: This system does not include a power plug. A plug meeting the local requirements will need to be added.
Part No. Description Price Qty / Order
110-4105-120 Micro-Drill System, 120 VAC $549.00 Each
110-4105-220 Micro-Drill System, 220 VAC $549.00 Each
Order direct or from a distributor. Harmonize Code: 8205.59.0000
Freight, duties, and value added taxes may increase prices for products outside USA.
Optional Items
Part No. / Item Price Order
110-4302 Accessory Kit
A selection of tools and bits for use with the Micro-Drill System.
$59.95 Each
110-4602 Abrading Tip, Rubber
Silicon carbide impregnated rubber tip for mild abrading.
$3.95 Each
115-6064 Abrading Tip, Stone
Fine grit abrasive stone for grinding hard surfaces.
$5.95 Each
110-4303 Accessory Stand
Stand designed to hold Ball Mills and other small bits. Ball mills and bits not included.
$16.95 Each
115-6000 Ball Mill Pack - One each sizes #1 - #7 and #1/2
Pack includes 8 carbide ball mills for precision drilling and grinding.
$39.95 Pkg/8
115-4802 Collet, .125" (3.175 mm) Diameter
Replacement collet used to hold bits and tools with .125" (3.175 mm) diameter shanks.
$49.00 Each
110-4622 Cutoff Disk
Silicon carbide disc for precision cutting - .875" diameter x .023" thick.
$2.95 Pkg/4
110-4502 Screw Mandrel
Use in handpieces to hold cutoff discs, brushes and polishing wheels.
$5.95 Each
110-4504 Threaded Mandrel
For use with rubberized abrasives tips.
$5.95 Each
INS1077 Micro Drill System
Reference Guide Procedures
Number / Title
1.0 Foreword
2.0 Basic Procedures
2.1 Handling Electronic Assemblies
2.3.5 Coating Removal, Grinding/Scraping
3.0 Base Board Procedures
3.1 Delamination/Blister Repair
3.3.1 Hole Repair, Epoxy Method
3.4.1 Key and Slot Repair, Epoxy Method
3.5.1 Base Material Repair, Epoxy Method
4.3.1 Circuit Cut, Surface Circuits
4.3.2 Circuit Cut, Inner Layer Circuits

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