Trilobular Thread Rolling Screws
Click on a category to drill down.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