#12 SD3 PRO-TEK™ STITCH – Self-Drilling Metal Panel Fastener

SD3 PRO-TEK™ STITCH Self-Drilling Fastener for Metal-to-Metal

Built for critical metal-to-metal connections, the #12 SD3 PRO-TEK™ STITCH fastener offers unmatched wind uplift resistance and secure, wobble-free installation. Its wide-diameter low-profile head reduces uplift potential, while the concealed EPDM tubular washer delivers a long-lasting weather seal.

Featuring a precision self-drilling point (SD1 & SD3), flat seating surface for positive nutsetter engagement, and deep root thread design, this fastener is optimized for maximum grip and efficient drive. The L3 Dura Protec™ coating provides superior corrosion protection on exposed installations.

Metal-to-Metal Stitch Fastener Specs

Fastener Diameter:

#12

Head Size:

5/16″ low-profile HWH

Thread Count:

10 threads per inch

Drill Point:

SD1 & SD3 self-drilling tip

Drive Performance:

Flat surface for positive nutsetter engagement

Seal:

Concealed EPDM tubular washer

Material:

C1022 carbon steel

Finish:

L3 Dura Protec™ anti-rust coating

Recommended Use:

Metal-to-metal panel stitching in high-stress environments

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