The FastenMaster OlyLog Screw is the first threaded log home fastener which requires no predrilling and is ACQ approved. Since its introduction, the OlyLog has changed the way log homes are constructed.

FastenMaster OlyLog Product Features
• Installs much faster and easier than lags & spikes –Saves time and fatigue – Dramatically lowers installed cost.
• Requires no predrilling – Eliminates on-site predrilling.
• Countersinks into log – Allows log to settle naturally.
• Draws warped logs down.
• Removable and reusable.
• Eliminates jarring and damage caused by a sledge hammer.
• Engineered for increased strength and performance.

FastenMaster OlyLog Product Benefits
• No predrilling.
• Self countersinking headstyle.
• Strong pull down and holding power.
• Removable: Just put the drill in reverse and back it out.
• Corrosion resistant. ACQ Approved.
• No sledge hammer damage.
• Greatly reduced labor time.

FastenMaster OlyLog Installation Instructions
• Use a 1/2", high torque, low RPM drill.
• Install OlyLog perpendicular to the log.
• Countersink the OlyLog a minimum of 1/4".

FastenMaster OlyLog Physical Data
• Available Sizes: 2 1/2", 4", 6", 8", 9", 10", 12", 14", 16"
• Head Style: Hex
• Thread Length: 2"
• Thread Diameter: 0.25"
• Shank Diameter: 0.19"
• All screw sizes are packaged 250/box. One hex bit per box is included.