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.
- 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.
- 1 bit is included in 50 packs and case packs