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The HeadLOK® flat head fastener is a heavy-duty structural wood screw requires no predrilling and offers higher design shear than 3/8 in lag screws. HeadLOK® zips right in and creates a great finished look.
FastenMaster® HeadLOK® LOK Line™ Heavy-Duty Structural Screw, SpiderDrive™ Drive, #3 Drive, Flat Head, 0.1 in Head Height, 2 in Thread Length, 6 in Overall Length, Additional Information: Imperial System of Measurement, 5/8 in Head Diameter
| Additional Information | : | Imperial System of Measurement, 5/8 in Head Diameter |
| Drive Size | : | #3 |
| Drive Type | : | SpiderDrive™ |
| Head Height | : | 0.1 in |
| Head Type | : | Flat |
| Overall Length | : | 6 in |
| Thread Length | : | 2 in |