From first call to a compliant, machined countersink took under three days, including a bespoke cutter designed, manufactured and inspected within 48 hours.
A production-critical aerospace countersink operation required an existing hole to be opened to Ø0.2140". No standard countersink cutter could achieve a compliant result on an oversized pilot hole, and no existing tool design or drawings were available to work from. It called for a bespoke aerospace countersink cutter, engineered from scratch.
The customer faced a time-sensitive manufacturing issue with limited margin for delay or iteration. The request demanded:
An application-led, rapid-response approach was deployed. Engineering moved directly into tool design, technical validation and manufacturing planning to develop a bespoke aerospace countersink cutter capable of producing a compliant feature on the oversized pilot hole.
Given the urgency, the custom cutting tool was technically signed off ahead of formal quotation, allowing manufacturing to begin without delay. The cutter was manufactured, collected, inspected and approved within 48 hours, before being delivered directly to the customer site.
On arrival, the tool was tested under controlled conditions and demonstrated strong, stable performance before being released for use on the live aerospace component.
From the initial customer call to a successfully machined, compliant countersink took less than three days, without compromising process control, dimensional accuracy or confidence in the operation.
Speed alone is not enough in aerospace manufacturing. This case study shows the value of an engineering-led tooling partner capable of acting quickly while maintaining discipline, control and accountability. When production cannot afford trial-and-error, the right bespoke cutting tool, delivered once and delivered correctly, makes the difference.
"Situations like this are exactly why we deliberately protect capacity in the business, as it gives us the headroom to respond when a production issue can't wait. What matters is having the engineering judgement, manufacturing discipline, and decision-making in place to move straight to the right solution. In this case, that meant designing and delivering a compliant countersink in days, and doing it without compromising control."
- Russ Byrne, Aerospace Technical Services Manager
Yes. When no standard countersink cutter can achieve a compliant result, Exactaform designs and manufactures a bespoke aerospace countersink cutter engineered specifically for the feature, including on oversized pilot holes.
In this case, a bespoke cutter was designed, manufactured, inspected and approved within 48 hours, with the full operation completed in under three days from the first customer call.
Yes. Exactaform's engineering-led approach develops tool design and technical validation directly from the application, with no legacy drawings required.
Our engineers and experts produce blogs, guides and case studies that help answer the biggest tooling questions.
