Halpern Titanium takes cutting edge materials, world-class machines, and the expertise of our talented team to deliver the finest folding knives to our customers in the United States and around the world.

Halpern Titanium is a leader in customer confidence. We're easy to contact and easy to talk to. We're also protective of the process of producing our client’s ideas. We maintain great partnerships with our customers, helping them to build their business, by producing the highest quality products.

Three Rivers Mfg.

100% Made in USA , utilizing the high quality materials and precision machining techniques developed at Halpern. 

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#Knives and #bourbon. This was last night😊 Names are flying at me for our #prototype Golden Bamboo liner lock. Keep 'me coming.
Nomad Class Action Thunderbird No name yet. Any ideas? #TRM family is growing🔪👍 #knives #USA #EDC
#WIP #knife - No name yet. Going for the bamboo look. More pics in FB Group Titanium Really Matters (TRM). Become a Ticoon- first announcements on Thunderbirds. #EDC #Halpern #Production #ExoticMetals
#Thunderbird for the win. It's Presidents' Day- go buy a #car🇺🇸 #prototype #Cuba #knives #EDC
Class Action pocket #knife. Bring this 2.7 oz. flipper to your next business meeting😊🖇📈🗂🗑Let me know how that works out💁🏻 #titanium #TRM #USA @epicsnugglebunny #EDC
Thunderbird #production frames are flying off the waterjet (well, nothing really flies off a waterjet). Time to get stress relieved, #knives #WIP #Titanium #TRM #USAmade
#Nomad measures another 4-1/2" so far. #knivesandnature #slipjoint #TRM #USA #knives #snow #winter
#Sunday prep for #work. Not sure if today is programming day or machining another lockside. #knives #WIP #threeriversmfg #Thunderbird #Ticoons #Halpern #preproductionisnteasyoreveryonewoulddoit
Cure for insomnia- #Waterjet real time- NOT SLO-MO Cutting Thunderbird #titanium locksides for production run. If you like this, I'll post a picture of EDM cutting followed by a picture of paint drying.😊💁🏻 #WIPS #knives #Halpern #CNC
#Halpern takes one last look at the first official lockside of our new Thunderbird. #Knives #WIP #USAmade #titanium. More WIP pics in my FB Group Titanium Really Matters (TRM) Check it out- Ian lets anyone join😊
#Friday end of another crazy week. Lots of titanium and steel chips flew from these 4 machining centers all week. 18 inches of snow doesn't hold #Halpern back😊 #CNC #production #knives #Shop

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