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Fasteners 8_17.qxp_Layout 1  8/18/17  11:55 AM  Page 2

                                                                    SELF-DRILLING SCREWS





            SELF-DRILLING SCREWS                           TECHNICAL INFORMATION
        FASTENERS  Self-drilling fasteners eliminate separate drilling and tap-  Maximum Combined Material Thickness By Point Type  pre-drilled or
                                                         Point Size Selection
           ping operations for faster, more economical installations.
           Tanner Bolt & Nut Corp. offers the most complete selection
           of self-drilling fasteners made in the United States by Elco .
                                                                                     to be drilled
                                                                                                           top material
           Self-drilling screws are designed to speed construction,   ®  top material  top material        pre-punched
                                                          to be drilled   TOTAL                 void or
           improve building integrity and ensure performance.            THICKNESS             insulation            TOTAL
                                                                          TO BE                                     THICKNESS
           • Starts Exactly Where It Is Placed– State of the art forging   bottom material  DRILLED  bottom material  bottom   TO BE
             process technology and tooling produced to strict   to be drilled       to be drilled         material  DRILLED
             specifications provide a sharp, clean and consistent drill point.                             to be drilled
           • Broad Selection of Sizes and Applications – A variety of
             head styles and drive systems are available for specialized
             application and installations. Self-drilling screws are able   Recommended Installation RPM  Standard Sheet Metal Sizes
             to penetrate thin sheet metal through 1/2" thick steel.
                                                             Diameter              RPM             Gauge             Decimal
                                                               #8                                   26      0.018
            Stalgard Protective Coatings                       #10       2500                       24      0.024
                    ®
                                                               #12                                  22      0.030
            Stalgard® high-performance protective                        1800
                                                               1/4"                                 20      0.038
            coatings provide consistent, high corrosion        5/16"     1200                       18      0.048
            resistance in construction applications.                                                16      0.060
            Stalgard® durable, multi-layer, corrosion-                                              14      0.075
                                                         Nominal Screw Sizes
            resistant coatings are engineered to provide                                            12      0.106
            optimal performance in demanding                  Thread Dia.      Decimal
            construction applications. These environmentally-friendly  #6   .140              Threads Per Inch
                                                                #7      .150
            finishes are free of chromates and silicates and any                                 Screw      TPI
                                                                #8      .160
            process, like electroplating, that might induce hydrogen                             Diameter
                                                                #9      .180
            embrittlement, preventing structural failures.                                         #8        18
                                                                #10     .190
                                                                                                   #10       16
                                                                #11     .200
                                                                                                   #11       16
                                                                #12     .210
            Stalgard Coating for Induction Heat-Treated Fasteners  1/4  .240                       #12       14
            • Proven, outstanding corrosion resistance for most  #14    .250                       #14       14
                                                                                                   1/4"      20
              construction applications, including metal and wood
                                                                                                   5/16"     18
            • Salt spray resistance: 1000 hours per ASTM B117  Drilling and Tapping Capacity
            • Colors: silver, black, blue, white, yellow, red, gray & brown  (Maximum Material Thickness)*
                                                                                                           .500”
                                                               .500”
                           GB
            Stalgard GB (Galvanic Barrier) Coating             .400”                                   .375”
            • Standard on all Elco stainless steel fasteners   .300”              .210”    .210”   .312”
            • Prevents a galvanic reaction between the stainless steel   Combined Material Thickness  .175”
              and dissimilar application materials, which could lead to   .200”
              fastener and/or joint failure                    .100”  .095”†  .100” .110”
            • Salt spray resistance: 1000 hours per ASTM B117
            • Available color: Silver                          .000”
                                                              Diameter      #10     #12    1/4”      #8      #10     #12    #10     #12    1/4”   5/16”   #12      1/4”     #12     #12   1/4”
                           SUB                                Point Type                    1                                    2                                          3                                     4              4.5               5
                                                              † Lapped panels: 18 ga. to 18 ga.
            Stalgard SUB Ultimate Barrier Coating
                                                              * NOTE: Some drill and tap capacities may vary due to special features on some fasteners. Refer to product
            • For more severely-corrosive environments        performance specifications for any individual fastener to confirm performance and capabilities.
            • Salt spray 2,000 hours per ASTM B117            ICC Evaluation Report ESR-3294
            • Available color: Silver                   The information and data contained on this page is current as of publication date.
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           800 456-2658         email: sales@tannerbolt.com        www.shoptanner.com
                                   714 Montauk Ave., Brooklyn,  NY 11208    718 434-4500   Fax: 718 434-3215
                                    60-01 55th Drive, Maspeth, NY 11378    718 786-2050   Fax: 718 228-7297
                                                     800 3rd Ave., Brooklyn, NY 11232  929 337-1821
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