Bulk #4-40 × ¼″ Unslotted Indent Hex-Washer Head Thread-Cutting Screws — Type F, Bright-Zinc & Hydrogen-Relief Baked Purple Anodized Titanium Feature Details Diameter / Thread

Feature Details Diameter / Thread #4-40 UNC Available Length 5/16″ – fully threaded Head / Drive 6-Lobe Flat – Torx® Drive Point Style Taptite-style trilobular thread-rolling Material Carbon Steel Finish Black Oxide & Wax (RoHS) System of Measurement US / Inch Standards Meets ASME B18

Aerospace & High-Precision Engineering: Fine-thread design ensures strong

Material: 18-8 / A2 stainless steel — long-lasting corrosion resistance and non-magnetic in most environments

Marine-Grade Durability: Made from stainless steel A4 (316) for outstanding corrosion resistance

Bulk #4-40 × ¼″ Unslotted Indent Hex-Washer Head Thread-Cutting Screws — Type F, Bright-Zinc & Hydrogen-Relief Baked Purple Anodized Titanium Feature Details Diameter / ThreadMonster Overview: Miniature strength for electronics chassis, light gauge steel housings and dense hardwood trim these #4 40 Unslotted Indent Hex Washer Head Thread Cutting Screws install fast with a 532 nut setter. Heat treated carbon steel carries a bright zinc electro plate, is hydrogen relief baked to prevent embrittlement, and finished with a factory dry wax film for ultra low seating torque. The captive washer spreads load, while the Type F