- Some stock photographs may show options that are not included. Please check product description.
4-Inch Timber-LOK Heavy-Duty Wood Screw, 12 Count
- Mfg.#
- OLY#FMTLOK04-12
- Sku#
- 988170
- No predrilling needed- zips through pressure-treated lumber
- Self-countersinking head
- ACQ approved
- Removable
- Faster, easier, stronger than 3/8 in lag screws
* Estimated stock levels as of Sat, Apr 11, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
12 count box of FastenMaster TimberLOK heavy-duty 4-inch wood screws for attaching rafter or trusses to the top plate, landscape timbers, fences, decks, headers, stair stringers and more. Includes a free drill bit.
Specifications
General
| Applicable Materials | Wood to Wood |
|---|---|
| Application | Attaching rafter or trusses to the top plate, landscape timbers, fences, decks, headers, stair stringers and more. |
| Coating | Ceramic E-Coat |
| Color | Black |
| Drive Style | External Hex |
| Finish | Plain |
| Head Style | Flange Hex |
| Head Type | Self-countersinking |
| Includes | Free Hex driver bit |
| Indoor/Outdoor | Indoor/Outdoor |
| Material | Steel |
| Pack Qty | 12 screws |
| Series | TimberLOK |
| Thread Length | 2 in |
| Thread Size | 4 in |
| Type | Heavy-duty wood screw |
Dimensions
| Diameter | 3/16 in |
|---|---|
| Length | 4 in |
| Size | 3/16 in |
| Weight | 0.55 |
Manufacturing Details
The following information is subject to change without notice
| Country of Origin | China |
|---|---|
| Manufacturer Warranty | Limited Lifetime |
| Prop 65 Warning |
WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood.
|
Label Information
| Certification, Codes, Standards | ACQ approved; IBC/IRC code compliant; ICC-ES ESR-1078 |
|---|
Related Documents
Brochure (PDF)
Warranty (PDF)
