The Door and Hardware Institute (DHI) is the only professional association dedicated to the Architectural Openings Industry. With the purpose of advancing life safety and security within the built environment, DHI represents the North American openings marketplace as the advocate and primary resource for information, professional development and certification. With the focus on our members, DHI strives to be the indispensable resource for industry trends, best business practices and advanced education.
They almost always have what I need, and are quick to help.
Don't expect a "project walkthrough" when it comes to the electronics parts.
That requires ones own research.Read more
Open cut holes & irregular shapes in wall tiles for fitting pipes and trim.1/4' Square File:A coarse & fine grit on opposing faces enables you to remove bulk material, rotate the tool and finish, all with the same tool.Price: $12.98 USD Carbide Flat SandersDura-GRIT Carbide Flat Sanders are thin enough to get into tight spaces, yet more aggressive and long lasting than regular files. Available in 60 or 120 grit, or a unique 60/120 grit combination.2.75' x 4.5': $6.98 USD5.5' x 4.5': $11.98 USDUltra-FLEX Carbide Sanding SheetsUltra-Flex is easy to form to any shape. It won't wear or tear the way sandpaper does and will remain the same grit grade for each use!Steel backed Ultra-Flex is so thin it can be cut with scissors.Available in 80 grit and 150 gritUltra-Flex tungsten carbide sanding sheets come in two sizes:2.75' x 4.5'- Suitable for 1/4 sheet electric palm sanders & hand sanding blocksBlock Sander: $16.98 USDincludes 80 grit carbide sheetCarbide Sheets: $7.98 USDTired of replacing worn sandpaper This remarkable 80 grit tool outlasts sandpaper hundreds of times