Bulk #4-40 Phillips Flat-Undercut Thread-Cutting Screws — Type F, Bright-Zinc Steel ISO 4035 Specification Details Diameter 1/4″ Thread

Specification Details Diameter 1/4″ Thread Size 1/4-20 UNC (Coarse Thread) Drive Size 5/32″ Hex (Allen) Head Type 82° Flat Head Socket Cap Screw (FHCS) Material Alloy Steel Finish Thermal Black Oxide Standards ASME B18

Finish your plastic enclosures right the first time with bulk #4-20 Phillips Pan Head 48-2 Thread-Forming Screws from Monster Bolts

making them a dependable choice for projects that demand both strength and corrosion resistance

Q: What materials are these hex keys made from

Bulk #4-40 Phillips Flat-Undercut Thread-Cutting Screws — Type F, Bright-Zinc Steel ISO 4035 Specification Details Diameter 1/4″ ThreadMonster Overview: When standard countersinks are too shallow or sheet metal is wafer thin, choose #4 40 Phillips Flat Undercut Thread Cutting Screws. The undercut head trims most of the 82 cone, giving you maximum thread engagement while finishing perfectly flush in sheet as thin as 0. 040. Heat treated carbon steel sports a brilliant bright zinc electro plate, is hydrogen relief baked to banish embrittlement, and topped with a factory dry wax film