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Strong Products From a Strong Company

  • Fastener designed to attach metal roof and sidewall panels used in pre-engineered metal building applications.
  • #12 Diameter 5/16 Cupped HWH self-drilling fastener easily penetrates steel up to .210 in thickness with no “point walking.” 1/4 Stitch will securely fasten 2 layers of 26 GA with no strip-out.
  • Cupped head & washer encapsulate EPDM rubber washer & provide a secure seal even when driven at an angle.

All unpainted MAXX Steelbinder® fasteners come standard with DuraSeal® Plus enhanced corrosion resistance coating.
FOR PROPER INSTALLATION, THE USE OF IMPACT DRIVERS ARE NOT RECOMMENDED FOR POWDER COATED OR ANY WET 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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MAXX Steelbinder

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SIZE CARTON QTY. WEIGHT/M
12-14 x 3/4” 2500 11.3
12-14 x 1” 2500 13.2
12-14 x 1-1/4” 2500 14.8
12-14 x 1-1/2” 2000 15.5
12-14 x 2” 1500 18.8
12-14 x 2-1/2” 1500 21.0
12-14 x 3” 1000 24.6
1/4 x 7/8” STITCH * 2500 13.4

*Current sizes available with powder coating

  MAXX STITCH
HEAD STYLE 5/16" CHWH** 5/16" CHWH**
POINT DIAMETER .181/.177 .156/.150
MAJOR DIAMETER .215/.209 .246/.240
MINOR DIAMETER .164/.157 .192/.185
WASHER FACE DIAMETER 560/.545 560/.545
HEAD ACROSS FLATS NOM .312" NOM .312"
ULT. TENSILE STRENGTH 2900 LBS. 3800 LBS.
MIN. TORSIONAL STRENGTH 92 IN-LBS. 150 IN-LBS.
NOM. SHEAR STRENGTH 1962 LBS 2850 LBS.

**CHWH-Cupped Hex Washer Head

SUBSTRATE GAUGE THICKNESS VALUE
HRS Primed Only #12 16 .060 927
HRS Primed Only #12 14 .075 958
HRS Primed Only #12 12 .105 1678
AZ55 Galvalume 1/4” 26 .018 342
AZ55 Galvalume 1/4” 24 .024 378
AZ55 Galvalume 1/4” 22 .030 418
AZ55 Galvalume 1/4” 18 .048 1038
G-90 Galvanized #12 20 .036 620
G-90 Galvanized #12 18 .048 729
G-90 Galvanized #12 16 .060 787
G-90 Galvanized #12 14 .075 1041
G-90 Galvanized #12 12 .105 1372
SUBSTRATE GAUGE THICKNESS VALUE
AZ55 Galvalume #12 29 .014 687
AZ55 Galvalume #12 26 .018 1090
AZ55 Galvalume #12 24 .024 1299
AZ55 Galvalume #12 22 .030 1562
AZ55 Galvalume 1/4” 29 .014 746
AZ55 Galvalume 1/4” 26 .018 960
AZ55 Galvalume 1/4” 24 .024 1261
AZ55 Galvalume 1/4” 22 .030 1376
Purlin Application

Purlin Application

Stitch Application

Stitch Application

Purlin Screw App Color Illustration Web

Purlin Screw

Stitch Screw App Color Illustration Web

Stitch Screw

Steelbinder MAXX Point Web

Drill point is designed to penetrate steel quickly with no "point walking".

Cupped HWH head design improves Pull over strength versus standard HWH & Bonded Washer. ST Fastening Systems sockets are designed to allow for the added thickness of the powder coat.

Notes:

  1. HRS (Hot Rolled Steel)
  2. Pull over values calculated with EPDM rubber washer assembled to cupped head screw with .555” washer face.
  3. All strength values shown are ultimate values, expressed in LBS. Apply an appropriate safety factor to obtain design limits.


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