HeadLOK® structural deck screws
Head LOK Stringer copy
Installation sip 7b2ce8ac
Head LOK 412 fastener copy
Head LOK 6 50pcbox copy

HeadLOK is a heavy duty wood screw that does it all with an internal drive and flat head. HeadLOK offers higher design shear than 3/8" lag screws and no predrilling is needed.


Structural Wood Screw
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No Pre-Drilling Required

Installs in a fraction of the time versus traditional bolts with fewer steps and less effort.

Black Flat Head Design

The flat head installs flush saving additional time and money. Combined with the black coating on the fastener, HeadLOK provides a great finished look.

ACQ Approved & Code Compliant

Tested and supported by engineering data that conforms to the most current ICC standards. It is also approved for use in ACQ or treated lumber.

Head Lok Spider Drive copy

Part Numbers

 2 7/8"  Single FastenerFMHLGM278-INDY
12 pc clamshell  FMHLGM278-12
50 pc boxFMHLGM278-50
500 pc bucketFMHLGM278-500
3 3/4"50 pc boxFMHLGM334-50
250 pc bucketFMHLGM334-250
 4 1/2"  Single FastenerFMHLGM412-INDY
12 pc clamshell  FMHLGM412-12
50 pc boxFMHLGM412-50
250 pc bucketFMHLGM412-250
5"250 pc bucketFMHLGM005-250
 6"  Single FastenerFMHLGM006-INDY
12 pc clamshell  FMHLGM006-12
50 pc boxFMHLGM006-50
250 pc bucketFMHLGM006-250
7"250 pc bucketFMHLGM007-250
8"Single FastenerFMHLGM008-INDY
12 pc clamshellFMHLGM008-12
50 pc boxFMHLGM008-50
250 pc bucketFMHLGM008-250
9"250 pc bucketFMHLGM009-250
10"Single FastenerFMHLGM010-INDY
12 pc clamshellFMHLGM010-12
50 pc boxFMHLGM010-50
250 pc bucketFMHLGM010-250
11"250 pc bucketFMHLGM011-250
12"250 pc bucketFMHLGM012-250
13"250 pc bucketFMHLGM013-250
14"250 pc bucketFMHLGM014-250
HeadLOK Carded Bit (2 pk)FMSPIDER3-2PK