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Trilobular Thread Rolling Screws

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Flat Phillips Trilobular Thread Rolling Screws

Flat Phillips (Heads to ASME B18.6.4 dimensions)
Manufactured to SAE J81 specifications
Case hardened to Rockwell C45 min. (Core Hardness: Rockwell C28-38)
Fully threaded / Steel Zinc plated & waxed

Pan Phillips Trilobular Thread Rolling Screws

Pan Phillips (Heads to ASME B18.6.4 dimensions)
Manufactured to SAE J81 specifications
Case hardened to Rockwell C45 min. (Core Hardness: Rockwell C28-38)
Fully threaded / Steel Zinc plated & waxed

Indented Hex Washer Slotted Trilobular Thread Rolling Screws

Indented Hex Washer Slotted (Heads to ASME B18.6.4 dimensions)
Manufactured to SAE J81 specifications
Case hardened to Rockwell C45 min. (Core Hardness: Rockwell C28-38)
Fully threaded / Steel Zinc plated & waxed

Indented Hex Washer Unslotted Trilobular Thread Rolling Screws

Indented Hex Washer Unslotted (Heads to ASME B18.6.4 dimensions)
Manufactured to SAE J81 specifications
Case hardened to Rockwell C45 min. (Core Hardness: Rockwell C28-38)
Fully threaded / Steel Zinc plated & waxed