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

Cup point set screws provide strong holding power while minimizing surface damage

locking the joint against vibration

24 mm pitch forms its own threads for secure

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