Excelta 9241E-BO Cutters - Medium Oval Head - Optimum Flush - Black Oxide Coated
Excelta 9241E-BO – Lazer Line® Medium Oval Head Optimum Flush Cutter | Black Oxide Coated
The Excelta 9241E-BO is a Lazer Line® medium oval head optimum flush cutter with black oxide coating for glare reduction and oxidation resistance. Made from carbon tool steel with induction hardened cutting blades (RHC 63–65), CNC-machined joint surfaces for precision fit and long service life, and dual leaf springs for smooth, consistent cutting action. Rated for .005”–.040” soft wire cutting capacity.
Sold individually.
Specifications
| Part Number | 9241E-BO |
| Product Line | Lazer Line® |
| Head Style | Medium oval head |
| Cut Type | Optimum flush |
| Material | Carbon tool steel |
| Blade Hardness | RHC 63–65 (induction hardened) |
| Cutting Capacity | .005”–.040” soft wire |
| Finish | Black oxide coated (glare and oxidation resistant) |
| Joint | CNC machined for precision fit and long life |
| Spring | Dual leaf spring |
| Manufacturer | Excelta Corporation |
Frequently Asked Questions
What is "optimum flush" cutting and how does it differ from standard flush?
Optimum flush cutters are ground to produce a cut that is as close to perfectly flush as possible — leaving minimal lead stub above the board surface. Standard flush cutters leave a slightly larger stub. Optimum flush is preferred in precision electronics assembly where lead height after cutting must be minimized for IPC-A-610 compliance or for tight component clearances on densely populated PCBs.
What does black oxide coating do on a precision cutter?
Black oxide is a conversion coating applied to the steel surface that reduces light reflection (glare) and provides mild corrosion resistance. For precision cutting tools used under magnification or in bright inspection environments, glare reduction improves visibility and reduces eye fatigue. It does not affect cutting performance or blade hardness.
What wire types and gauges is the 9241E-BO rated for?
The 9241E-BO is rated for soft wire from .005” to .040” in diameter. It is designed for soft copper wire used in electronics assembly — do not use on hard wire, piano wire, or steel, as this will damage the cutting edge and void performance. Always match the cutter to the wire gauge and material for best results and longest tool life.
How does the Excelta 9241E-BO compare to the Tronex flush cutters?
Both are precision flush cutters for electronics assembly, but they differ in design philosophy. Excelta’s Lazer Line uses CNC-machined joint surfaces and dual leaf springs for smooth action; Tronex uses a different spring and blade geometry. The 9241E-BO’s black oxide finish and oval head profile make it a good choice for operators who prefer a traditional oval head style with glare-free finish. Selection often comes down to ergonomic preference and head geometry for your specific application.
