Fastenmaster FMHLGM412-250 Headlok Heavy-Duty Flathead Fastener, 4-1/2 Inches, 250-Count,Black
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Orders are processed and shipped from Victoria, Australia.
3-6 days (Domestic)
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Confidence-backed purchases with 30-day return support.
- Nationally code compliant stronger design shear values than 3/8 inch lag screws
- No predrilling--zips right in
- Patented Spider Drive virtually eliminates cam-out
- corrosion resistance for the life of the project; ACQ approved
Product Description
Save time, money, and labor costs. HeadLOK eliminates the need to predrill and hand-ratchet in 3/8 inch galvanized lag screws in wood-to-wood projects. HeadLOK's aggressive threading and sharp gimlet point allows it to zip right into wood or OSB without predrilling. Plus, the wafer head eliminates the need for washers and offers increased pull through strength. Perfect for deck framing, stair stringers, fencing, cabinets, and more! Sizes are perfect for virtually any dimensional wood-to-wood project. HeadLOK fasteners are American made.
From the Manufacturer
Save time, money, and labor costs. HeadLOK eliminates the need to predrill and hand-ratchet in 3/8 inch galvanized lag screws in wood-to-wood projects. HeadLOK's aggressive threading and sharp gimlet point allows it to zip right into wood or OSB without predrilling. Plus, the wafer head eliminates the need for washers and offers increased pull through strength. Perfect for deck framing, stair stringers, fencing, cabinets, and more! Sizes are perfect for virtually any dimensional wood-to-wood project. HeadLOK fasteners are American made.
Package Dimensions:
7.5 inches x 9.5 inches x 10.0 inches. Weight: 10.0 lb
Specification:
| Item model number | FMHLGM412-250 |
| Warranty Description | HeadLOK is fully guaranteed for the life of the project against rusting or corrosion. Fasteners are not intended for use within 1,000 feet of saltwater applications. |
| Thread Style | Right Hand |
| Cutting Diameter | 0.25 Inches |
| Drive System | Double Square |
| Thread Size | 4-1/2" |
| Batteries Included? | No |
| Measurement System | Imperial |
| Usage | wood |
| Number of Pieces | 250 |
| Batteries Required? | No |
| Finish | black |
| Brand | FASTENMASTER |
| Material | Carbon Steel |
| Thread Type | Fine |
| Metal Type | Alloy Steel |
| Fastener Size | 4 Inch - 6 1/2 Inch |
| Manufacturer | FastenMaster |
| Item Package Quantity | 1 |
| Item dimensions L x W x H | 9.5 x 7.5 x 10 inches |
| Item Weight | 10 pounds |
| Thread Coverage | Partially Threaded |
| Head Style | Flat |
| Thread Class | Fine |
| Head Type | Flat |
| Exterior Finish | Epoxy |
| Part Number | OMG - 5667704 |
| Fastener Type | Screw |
| Color | Black |
| Is Discontinued By Manufacturer | No |
| Item Diameter | 0.25 Inches |
| Global Trade Identification Number | 00608309410355 |
| Included Components | OMG - 5667704 |
| Size | 4 Inch - 1/2 Inch |
Shipping & Delivery
At SecretGreen, we aim to deliver your order as quickly and safely as possible.
Domestic Shipping :
Orders are typically delivered within 3–6 business days.
International Shipping:
Estimated delivery time is 12–26 business days, depending on the destination and customs processing.
You will receive a tracking number once your order has been dispatched. Delivery times may vary during holidays or due to unforeseen delays.







