Airframe and Assembly


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We are a leading supplier of tooling to the airframe and assembly industry. Our assortment sets the highest standards expected by our customers, which include some of the world’s leading aircraft manufacturers.  

Our company has more than 50 years’ experience supplying the aerospace industry, through our product brands, Dormer and Precision Twist Drill. Following the acquisition of California based HP Wetmore Tool & Engineering in January 2019, we have significantly increased our expertise, capabilities and product offer for airframe and assembly.  

AA_news_2.jpgWe specialize in High-Speed Steel (HSS), Cobalt and Carbide rotary tools. All are manufactured from our production facilities in the USA and Brazil, meeting the necessary National Aerospace Standards (NAS) for quality and security.    

This covers our range of carbide tipped rivet shavers, threaded shank and quick-change adapter drills, core drills, double-margin pilot drills, nutplate drills and special application drills and reamers. In addition, we manufacture many made to order custom tools for various application needs, while offering technical advice and a pro-active customer service.   

Our airframe and assembly assortment includes threaded shank drills, suitable for machining general to medium duty, low tensile strength materials in confined areas. Also, aircraft extension drills, manufactured to provide long life and high levels of productivity. This assortment includes a highly efficient flute design and a 135° NAS split point, which reduces thrust forces and improves positional accuracy when hand drilling.   

Additional items feature our countersink drills for use in Nutplate drill motors and tapered reamers for hand drilling (through bushes) or with controlled speed/feed drill motors. Dagger drills - designed to produce delamination free holes; double margin step drills to machine close tolerance holes; piloted countersinks for use on pre-drilled holes in aluminium, graphite and fiberglass; as well as carbide routers to machine the edges of composite panels made from Carbon Fibre Reinforced Polymer (CFRP), fiberglass and Kevlar.   


For further information regarding our assortment of cutting tools for airframe and assembly, please contact your local Dormer Pramet sales office or speak with our official distributor in your area.  

Local Contact:
​Global Contact:​



Matthew Cooper
Technical Manager
Dormer Pramet (UK)
Mobile: +447702 342956

Ricky Payling
Segment Manager​
Dormer Pramet
Mobile: +4407736329360​

See also:


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National Aerospace
Standard (NAS) Drills brochure