USP Connectors


We offer a full range of structurally rated fasteners for wood frame structures. Hot-dipped galvanized, stainless steel and Gold Coat corrosion resistant finishes are available for exterior applications.


Proper fasteners are a critical component in a sound wood frame structure. To ensure successful installations of its connectors, USP offers a full range of structurally-rated nails. All galvanized nails supplied by USP are Hot-dipped for greater corrosion resistance. Any USP connector requiring a NA16D-RS or NA20D nail is shipped with the nails attached to the connector in convenient poly bags.

Materials: ASTM A 123; ASTM A 153 (HDG)
Finish: Hot-dip Galvanized, Gold Coat, Stainless Steel, Bright

USP Connectors Nails
USP Connectors Nails

N / NA series

WS Structural Wood Screws

The WS Wood Screw is a self-drilling screw used for numerous framing applications. This screw features a reverse locking serration on the bottom of the screw head to help prevent over tightening against a steel plate. The USP head stamp identifies screws for easy inspection.

Materials: 1/4" diameter Grade 5 steel
Finish: Zinc, Hot-Dip Galvanized, Gold Coat

WS Series   Sales Sheet

WS Structural Wood Screws from USP Connectors

MiTek® TECO™ Collated Hardware Nails

MiTek has reintroduced MiTek® TECO™ nails with 33° collated pneumatically driven nails. The color coded head-ID stamp system makes it easy to verify the proper nail has been used. The 33° collated nails can serve as an alternate to hand-driven installation of the following nails and may be used with many USP products.

Materials: ASTM F1667, A153 and A580
Finish: Bright, Hot-dip Galvanized, Stainless Steel

N series   NA series   Sales Sheet

MiTek TECO Collated Hardware Nails from USP Connectors


For customer convenience, we offer a wide range of bolts specified for the USP product line. Each bolt is shipped with two washers and one hex nut.

Materials: Bolts and nuts are standard hex head conforming to ASTM A 307 Grade A or SAE Grade 2 or better. Washers conform to American National Standard Type A plain steel, ANSI B.22.1.
Finish: Zinc Plated

B series

Bolts from USP Connectors

LumberLok Structural Connector Screws

The LumberLok Structural Connector Screw is a self-drilling screw that can be used with a number of USP Structural Connectors and wood-to-wood applications. The screws feature a T20 Torx® head with integral washer and gimlet point for ease of installation. The twin-lead threads drive in twice as fast as the single lead threads significantly reducing installation time. The USP head stamp identifies the screw length for easy inspection.

Materials: Low carbon hardened steel
Finish: Gold Coat

LL series

LumberLok Structural Connector Screws from USP Connectors