ASSY A2 Kombi

Hexagonal Head, Stainless Steel Self-Tapping Wood Screw
  • Code Approval
  • ICC, ETA
  • Connection Type
  • Wood/Steel
  • Applications
  • Timber Framing, Log Home Building,
    Mass & Heavy Timber Construction
  • Manufacturer
  • SWG

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Countersunk Head

Ring Thread Tip

Corrosion Ressitant

Outdoor

Product Description

Product Description

The ASSY A2 Stainless Steel Kombi screw is an engineered structural wood screw that is corrosion resistant and self-tapping. The screw design also reduces wood splitting while offering a precise setting without the need for pre-drilling. Code-approved reliability, the ASSY A2 Kombi has been awarded an ICC-ESR approval in the United States.

 

Features

Diameters5/16″ (8 mm) , 3/8″ (10 mm)
Lengths3-1/8” (80 mm)  to  7-7/8” (200 mm)
  • Corrosion-free
  • Regular hex head
  • Ring thread tip reduces wood splitting and promotes precise setting
  • Designed for high-performance exposed steel-to-wood connections
  • May replace lag bolt
  • Installation with AW bits or metric Hex head socket

The hex head is engineered for installation using either a socket or a bit for multipurpose applications. The reinforced and tapered shoulder below the screw head ensures a tight fit in pre-drilled steel plate holes. The tapered shape enables the screw to self-center. The ASSY A2 Kombi screw is equipped with a regular hex head, in order to achieve the best steel-to-wood connections. When used in wood-to-wood connections, the ASSY A2 Kombi screw can also be driven with a regular AW 40 Bit.

Specifications

Specifications

SpecificationASSY A2 KombiThread LengthAW Drive BitPackaging Qty.
# ItemMaterialHead Typein.mmin.mm
A2KPT0880Stainless SteelHexagonal Head5/16" x 3 1/8"8 x 802"50AW 4075
A2KPT08100Stainless SteelHexagonal Head5/16" x 4"8 x 1002 3/8"60AW 4075
A2KPT08120Stainless SteelHexagonal Head5/16" x 4 3/4"8 x 1203 1/8"80AW 4075
A2KPT08140Stainless SteelHexagonal Head5/16" x 5 1/2"8 x 1403 1/8"80AW 4075
A2KPT08160Stainless SteelHexagonal Head5/16" x 6 1/4"8 x 1603 1/8"80AW 4075
A2KPT08180Stainless SteelHexagonal Head5/16" x 7 1/8"8 x 1803 1/8"80AW 4075
A2KPT08200Stainless SteelHexagonal Head5/16" x 7 7/8"8 x 2003 1/8"80AW 4075
A2KPT10100Stainless SteelHexagonal Head3/8" x 4"10 x 1002 3/8"60AW 4050
A2KPT10120Stainless SteelHexagonal Head3/8" x 4 3/4"10 x 1203 1/8"80AW 4050
A2KPT10140Stainless SteelHexagonal Head3/8" x 5 1/2"10 x 1403 1/8"80AW 4050
A2KPT10160Stainless SteelHexagonal Head3/8" x 6 1/4"10 x 1603 1/8"80AW 4050
A2KPT10180Stainless SteelHexagonal Head3/8" x 7 1/8"10 x 1803 1/8"80AW 4050
A2KPT10200Stainless SteelHexagonal Head3/8" x 7 7/8"10 x 2003 1/8"80AW 4050
CAD Drawings

CAD Drawings

ProductASSY A2 Kombi DiameterFile Extension
in.mm..DXF
ASSY A2 Kombi5/16"8
Design Guides

Design Guides

Structural Screw Design Guide

The most complete tool for high-capacity mass timber connections design using ICC and CCMC code approved ASSY structural fasteners.

Structural Mass Timber Fastening Design Guide

Companion to the Structural Screws Design Guide, it provides pre-designed, easy-to-read tables for tens of mass timber connections using high-capacity ASSY self-tapping screws.

Code Approvals

Code Approvals

ICC Code Approval ESR-3179 for Partially Threaded Fasteners - 2021 Edition (August)

ISO 50001 Certification for ASSY Fasteners

LA Research Report (LARR): RR 26073

Installation Instructions

Installation Instructions

Structural Fasteners Installation Guide

The structural fasteners installation guide is a practical document designed to simplify the installation process of ASSY self-tapping screws.

White Papers

White Papers

Timber Moisture Content Changes and Associated Stress Predictions on Structural Wood Screws

Substitution of Lag Screws with Wood Screws

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