142. From a Box of Bolts to Global Manufacturing: The Evolution of Shamrock Precision

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What does it take to compete globally as a small family machine shop? I sat down with Corbin Embrey of Shamrock Precision to dig into how he’s approached it, and the answer is a mix of inventory strategy, geographic spread, and a willingness to admit when something isn’t your strength.

We spend time on supply lead demand, where Shamrock holds raw material, tooling, and machine hours ahead of customer demand. It’s not lean, but it’s built on quick response manufacturing, and Corbin explains how the carrying cost gets priced into the service and why oil and gas customers with idle fields value it.

We also get into diversification: running plants on two continents, riding out the oil and gas downturn, building an aerospace book through a long-term agreement, and what shiny object syndrome has cost along the way.

The workforce conversation is the one I’d tell every shop owner to hear. Corbin walks through internships that turned into an onboarding system, time on manual machines, quick wins at the CNC, and a path to a productive employee in five to six weeks. We close on capturing tribal knowledge from retiring machinists and the community projects Shamrock runs out of its warehouse.

What’s Covered in this Episode

• (0:00) Why students should see manufacturing before they spend years on a path they don’t love
• (1:32) Learn more about Corbin Embrey and Shamrock Precision
• (3:35) From a box of bolts to precision CNC machining in Dallas
• (6:29) HireMFG Leaders: recruiters who actually know manufacturing
• (6:58) Joining the family business and opening a shop in Malaysia
• (12:50) The Dallas facility, supply lead demand, and quick response manufacturing
• (18:14) Kennametal: tooling that improves tool life and cuts downtime
• (19:04) Staying put through 2008 and splitting the globe between Dallas and Malaysia
• (22:47) Surviving the 2015 and 2016 oil and gas downturn and pivoting toward aerospace
• (26:26) Shiny object syndrome and learning from work outside the sweet spot
• (28:29) Lights Out: automation, robotics, and high efficiency machining
• (28:56) Using warehouse space for the Rotary flag program and donated school books
• (33:15) Rotary youth exchange and why it made Malaysia a natural fit
• (36:13) Why manufacturing multiplies value in local communities, and eyeing medical
• (38:45) Hiring in Malaysia versus the U.S. and planting the seed in middle school
• (40:35) Internships: from one high school student to a class of five
• (43:16) Job fairs, manual lathes and mills, and owning the whole process
• (47:35) Hennig Workflow: pallet automation for more spindle uptime
• (48:25) Hiring bartenders and bank tellers, and a five to six week ramp to productivity
• (50:27) Capturing tribal knowledge from retiring machinists and systemizing operations
• (55:19) The NTMA internship template and why Malaysia sees manufacturing as a career

Resources Mentioned

• Shamrock Precision
• HireMFG Leaders
• Kennametal
• Lights Out
• Hennig Workflow
• IMTS
• NTMA
• PMPA
• Precision Manufacturing, Precision Business by Paul Van Metre

Connect with Corbin Embrey

• Connect on LinkedIn
• Shamrock Precision Website