Installation Guide
INFINITY TECHNICAL GUIDE
Info@FortressDeck.com
www.FortressDeck.com
1-844-909-4999
12/27 063016
500 units per box 
-M4.2x40mmstainlesssteel,black,
nanocoatedclipscrew,SS410KX-Z-tip
-M4.2x40mmblack,nanocoatedclip
screw,Z-tip
500 units per box 
-M4.2x40mmstainlesssteel,nanocoated
 clip screw
-M4.2x40mmblack,nanocoatedclipscrew
*EveryHULKboxcontainsafasteningbit.
Z-Tipclipscrewsarespeciallydesigned
forquickandeasyinstallationintosteel
andgalvanizedsteelsystems.
Torpedoclipscrewsarespecially
designedforquickandeasy
installation into wood.
Clip Screw For Wood
ClipScrewforSteel Fasteningbits
*Rememberitisgoodpracticetopre-drillwhensurfacemountingdeckboards.
HULKscrewscanbeusedfor:deckconstruction,outdoorfurnitureassembly,gardenapplications,cladding,outdoorframes
andpergolas.
Please refer to the table below for more information on HULK screws and how they should be used.
10.2 HULK Screws Table 
Clip screw
Clip screw specically 
designed for steel 
applications
HULK
Z-TipNanoBlack
Stainless Steel Screw
Clip screw used for 
wood applications
Clip screw
500
HULK
Torpedo Tip Nano 
BlackStainless
Steel Screw
500
TYPE SCREW NOTES
CLIP SCREW
SURFACE
MOUNT SCREW
FRAME SCREW
HI STRENGTH
CARBON STEEL
HCTO
(Ceramic Treated)
STAINLESS
STEEL
UNITS 
PER BOX
500 units per box 
304stainlesssteel,coated
DesignedforInnityGrooved
Boardsaswellasmanyother
groovedboardsonthemarket.
Hidden Clip
Surface mount 
screw used for wood 
applications
HULK
TorpedoSurface
Mount Screw 
Surface mount screw
Note:EveryHULKboxcontainsafasteningbit.
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