Features

Powderful™ Coating System

2.5 mil of computer controlled powder coat is applied over zinc plating and chromate sealer.
Unique polyester powder formulation resists harmful UV rays and chemical breakdown.
Automated process ensures a consistent color match from batch to batch.
POWDERFUL is completely free of volatile organic compounds (VOC), and is entirely recyclable.
There are 35 standard colors that match high volume metal panel paint colors.

MAXX™ SELF DRILL™ Durable Head Design

5/16 Cupped HWH with Encapsulated UV Resistant EPDM Washer
Good Atmospheric and Chemical Corrosion Resistance
Outstanding coating adhesion, vibration attenuation, damping capacity and ductility
Superb aesthetic appearance – Positive Seal at Any Angle
No Distortion Maximum Pull Over Strength – Cupped head design protects the washer from UV damage.

2+3 HYBRID® Point Design

No Point Walking--Effortless quick penetration-Easy Multi-Layer Penetration-Drilling capacity to .210”
Advanced forging process technology - Sharp drill edges consistently cut the metal, eliminating slow or dropped screws and pigtails that can embed themselves in the rubber washer.
1/4ʺ Stitch will securely fasten panel sidelaps up to 18 ga. panel thickness with no strip-out when installed correctly

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.

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

Stitch Application

Purlin Screw

Stitch Screw

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.