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Re: SS - Ply Metal Driller Screws - need some help![Subject Prev][Subject Next][Thread Prev][Thread Next]
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- Subject: Re: SS - Ply Metal Driller Screws - need some help!
- From: "Bill Allen" <BAllenSE(--nospam--at)mail-gw3.pacbell.net>
- Date: Tue, 14 Oct 1997 11:26:11 -0700
I don't know anything about "Ply-Metal Driller" fasteners, but I would recommend a product from Buildex called "Ply-Metal Teks". This fastener comes with or without wings. The version with wings require 16 ga. steel to break the wings, so it should be O.K. in your application. They are #10 screws and are intended to attach plywood up to 1/2" thick to metal studs. They both have 24 threads per inch and are available between 3/4" long (thread length = .454") to 1-1/4" (thread length = 0.970"). Buildex is located at: 940 Industrial Drive Elmhurst, IL 60126 I _think_ their telephone number is (630) 595-3500 (might be an old no.) If there is anything you want me to fax to you, let me know. Regards, Bill Allen -----Original Message----- From: Dennis S. Wish PE <wish(--nospam--at)cyberg8t.com> To: 'SEAOC Listservice' <seaoc(--nospam--at)seaoc.org> Date: Tuesday, October 14, 1997 11:18 AM Subject: SS - Ply Metal Driller Screws - need some help! >I have specified a #10 Ply-Metal Driller (10-16 x 5/8" and 10-16 >x 3/4") for installation of a plywood shear wall to 16 gauge >steel studs. The Ply-metal driller is suppose to drill through >the plywood and then enlarge the hole in the plywood so that the >plywood is pulled tight to the steel stud. I was under the >impression that the wings which enlarge the plywood hole are >located on the shank below the flat head. A similar screw from >Cal-Fastener is called a "Floor-board" screw. >The contractor called me to inform me that the wings are located >at the end of the screw and enlarge the steel stud hole as well. >This does not make sense to me since the screw no longer holds >in the stud since the wings are slightly wider than the threads. > >I suspect that he is using the wrong screw. All of the >materials of these homes are supplied from a company called >Steelers who are located near Seattle. The boxes of material >that were sent to the job site do not specify the manufacter of >the screws so I have no numbers to track from. > >Can anyone shed some light on this matter. I need to specify a >#10 self-tapping screw x 5/8" long for 3/8" plywood and 3/4" >long for 15/32" plywood. They should be course thread (16 >threads per inch) and I would prefer to have the "cut wings" at >the shank to insure that the plywood is pulled tight to the >steel stud. >Please let me know if any of you have some experience with the >Ply-metal Drillers and can confirm or help me with this problem. > >Thank you, >Dennis Wish PE >wish(--nospam--at)cyberg8t.com > > >
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