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Steelbinder ZXL Tapping Brand Logo

  • Lifetime 40 Year Warranty Long Life Fastener.
  • Type AB fasteners are designed to attach long-life roof panels such as GALVALUME that are used in pre-engineered metal building application. Type A fasteners are designed for use in wood framed buildings.
  • Fasteners are also used in retrofit applications in which existing screws have stripped/backed out & need to be replaced with a larger diameter.
  • 5/16” Cupped HWH ZAMAC Zinc-Aluminum Alloy provides lifetime protection against red rust on the head & washer face. A written warranty is available upon request.
  • The head & washer face captures the rubber EPDM washer even when driven at an angle & are designed to maximize Pull over strength.

FOR PROPER APPLICATION, THE USE OF IMPACT DRIVERS ARE NOT RECOMMENDED ON ANY PAINTED FASTENER
PULLOUT & PULLOVER VALUES ARE DETERMINED IN THE ST FASTENING SYSTEMS ENGINEERING LABORATORY USING STEEL PANELS/FRAMING & WOOD DENSITIES WHOSE STRUCTURAL PROPERTIES ARE FOUND IN PRESENT DAY PRODUCTS.


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40 year warranty lifetime


SIZE CARTON QTY. WEIGHT/M
1/4-14 x 3/4” AB 2000 18.2
1/4-14 x 1” AB 2000 19.6
1/4-14 x 1-1/4” AB 2000 21.0
17-14 x 1” AB 1500 23.0

  ZXL TAPPING STITCH
HEAD STYLE 5/16" CHWH AB 5/16" CHWH AB
DRILL POINT 30° SHARP POINT 45° SHARP POINT
MAJOR DIAMETER .246/.240 .282/.273
MINOR DIAMETER .192/.185 .220 NOM.
WASHER FACE DIAMETER .630 .630
HEAD ACROSS FLATS NOM .312" NOM .312"
ULT. TENSILE STRENGTH 2240 LBS. 2240 LBS.
MIN. TORSIONAL STRENGTH 150 IN-LBS. 220 NOM.
NOM. SHEAR STRENGTH 2850 LBS. 3952 LBS.

SUBSTRATE GAUGE THICKNESS VALUE
HRS PRIME ONLY 1/4-14 16 .060 1181
HRS PRIME ONLY 1/4-14 14 .075 1265
HRS PRIME ONLY 1/4-14 12 .105 2143
G-90 GALVANIZED 1/4-14 18 .048 1055
G-90 GALVANIZED 1/4-14 16 .060 1073
G-90 GALVANIZED 1/4-14 14 .075 1396
G-90 GALVANIZED 1/4-14 12 .105 1774
HRS PRIME ONLY 17-14 16 .060 1409
HRS PRIME ONLY 17-14 14 .075 1429
HRS PRIME ONLY 17-14 12 .105 2128
G-90 GALVANIZED 17-14 18 .048 1119

SUBSTRATE GAUGE THICKNESS VALUE
1/4-14 (.630 DIA) 29 .014 886
1/4-14 (.630 DIA) 26 .018 1287
1/4-14 (.630 DIA) 24 .024 1572
1/4-14 (.630 DIA) 22 .030 2029
17-14 (.630 DIA) 29 .014 696
17-14 (.630 DIA) 26 .018 1101
17-14 (.630 DIA) 24 .024 1205
17-14 (.630 DIA) 22 .030 1446

Steelbinder ZXL Tapping Callout Point Web

The Zinc-Aluminum alloy HWH prevents red rust from ever starting. ST Fastening Systems spring retainer sockets are recommended. ST Fastening Systems sockets are designed to allow for the added thickness of the powder coat.

Steelbinder ZXL Tapping Type AB Point Web

The AB thread form is designed to provide maximum pull out strength in steel in a pre-drilled hole.

Notes:

  1. HRS (Hot Rolled Steel)
  2. Pull over values calculated with EPDM rubber washer assembled to cupped head screw with .630” washer face.
  3. All strength values shown are ultimate values, express in LBS. Apply an appropriate safety factor to obtain design limits.
  4. ** The value tabulated is the force at which the ZXL head breaks from the carbon steel body.


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