Fastener Technology

A practical guide to materials and finishes for micro screws—stainless vs plated carbon, salt-spray classes, friction and torque references.

Detail plastic self-tapping screw boss pilot hole diameter, depth, wall thickness and relief slot design to avoid stripping, cracking and floating.

Compare pan, countersunk and low-profile micro screws in clearance, flushness and appearance, with design selection advice.

Compare self-tapping and machine screws in plastic bosses, with selection advice on pilot hole, torque, material and reusability.

A practical guide to common thread tolerance classes, fit selection principles and inspection methods for small screws in miniature fastening applications.

Technical document for M0.6‑M3 micro‑screws: head tolerance, coated screw notes, tightening‑torque reference, root‑cause analysis for thread‑stripping, head breakage and loosening.

Compare SUS304/316 stainless, 10B21 carbon steel and titanium for precision small screws, with corrosion resistance and cost analysis of nickel plating, zinc plating, Dacromet and passivation.

Review thread locker, lock washers, patch screws and nylon insert nuts for electronic small screws, with assembly torque and cam-out risk control best practices.

How to select plating,passivation,electrophoretic black finish for electronic micro screws. Analyze discoloration,coating peeling and hydrogen embrittlement risk for micro electronic fasteners.

Smallscrew professionally manufactures M0.6-M3 miniature screws with tight tolerance control. Various drive types, materials and surface treatments are available for precision electronics, optical modules, medical equipment and smart wearables.