The HeadLOK flat head fastener is a heavy-duty structural wood screw requires no predrilling and offers higher design shear than 3/8" lag screws. HeadLOK zips right in and creates a great finished look.
- 3/8” lag screw replacement
- No predrilling
- Flat head provides great finished look
- The SpiderDrive System contains eight points of contact, maximizing bit fit and reducing stripping.
- Sharp gimlet point for fast installation into wood and OSB
- Aggressive thread for holding and withdrawal strength
- Free SpiderDrive bit in every package
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