K2 Splice Foot XL Screw DR #14 3″ x 5/16 4000310
$1.35
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A robust self-tapping hex head screw with an EPDM sealing washer, the K2 Systems DR #14 × 3″ × 5/16 Hex Head Screw (4000310) is built to securely fasten solar roof attachments like Splice Foot XL into rafters or decking while helping protect roof penetrations from moisture.
The K2 Systems Hex Head Screw DR #14 × 3″ × 5/16 (Part #4000310) is a specialized self-tapping fastener designed for solar mounting applications, particularly with K2 roof attachment products like the Splice Foot XL. This screw features a hex head and an integrated EPDM sealing washer to help prevent water ingress when installed through roof attachments into either rafter or decking. It’s engineered to provide strong pull-out resistance and secure fastening in wood substrates, enabling reliable structural connection points for solar panel rails and mounts.
Key features:
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Self-tapping design with seal washer — eliminates the need for pre-drilling in many cases.
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Compatible with multiple K2 roof attachments (e.g., Splice Foot XL).
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Hex head for easy drive with standard tools.
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Provides enhanced pull-out strength when used as intended.
| Weight | 1 lbs |
|---|---|
| Dimensions | 1 × 1 × 1 in |
| Brand | |
| Application | Roof mount |
| Racking Type | Rail-Based Racking |
Spec sheet
Spec sheet – 4000300_splice_foot_spec_sheet
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