8 X 1-1/2″ Type A Self Tapping Sheet Metal Screws Indented Hex Washer Head Unslotted Drive Steel Zinc & Bake (3000/Pkg.) Instant Buy

Type A Self Tapping Sheet Metal Screws with Indented Hex Washer Head are designed for installation into metal sheets without pre-drilling in many cases. The unslotted drive and zinc baked finish provide robust fastening performance for high-volume sheet metal assemblies.

Specs

Dimensions: Length 1-1/2 inch; Nominal diameter #8

Finish: Zinc & Bake

Drive type: Unslotted

Material grade: Steel

Thread type: Type A Self Tapping

Features

Self tapping capability: Type A thread forms mating threads in parent metal during installation, enabling effective fastening in sheet metal without pre-drilling in compatible materials.

Indented Hex Washer Head: Large bearing surface improves torque transfer and reduces cam-out; provides flush seating and pull-out resistance.

Finish: Zinc plated with baked-on coating provides corrosion resistance in typical service environments and improved coating adhesion.

Drive type: Unslotted drive requires a compatible driver, contributing to tamper resistance against casual disassembly.

Packaging: Bulk quantity of three thousand pieces supports high-volume production and streamlined procurement.

Application domains: Suitable for light to medium gauge sheet metal assemblies in automotive, HVAC, electrical enclosures, and appliance manufacturing where quick field installation and reliable fastening are required.