Using Aluminum Bolts Without Creating Corrosion or Clamp-Load Surprises
Review clamp-load margin, galvanic exposure, finish, and interface details before specifying aluminum bolts for OEM assemblies.
Custom screw buyer resources
Practical articles for OEM buyers preparing screw drawings, samples, material requirements, tolerance notes and inspection details before quotation.
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Guides for custom screw RFQ preparation and factory review.
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Review clamp-load margin, galvanic exposure, finish, and interface details before specifying aluminum bolts for OEM assemblies.

Treat collated screws as a fastening-system decision by checking strip compatibility, substrate, point style, and feed reliability before RFQ release.

Clarify hex head cap screw versus hex bolt before RFQ release by defining standard, thread condition, material, finish, and joint role.

Clarify whether a cap head screw request really means socket head cap screw, then lock down geometry, finish, and inspection checks.

Choose TEK screws for metal by checking point designation, steel thickness, head style, coating, and real trial criteria before RFQ release.

Review structural bolts as a joint system by checking specification family, matched hardware, finish, and installation method.

Choose self-drilling screws for thick steel by checking point capacity, head style, coating, installation stability, and RFQ test conditions.

Read a bolt grade chart correctly by separating SAE, ASTM, and ISO systems and checking size, finish, and joint-specific torque assumptions.

Learn what SEMS screws are, how captive washer stacks are made, where they help assembly, and what to include in a drawing-based RFQ.

Specify Torx and hexalobular screws correctly by reviewing drive standards, recess quality, tooling, head geometry, torque control, and inspection.

Learn how to select button head screws by checking head clearance, drive capacity, bearing surface, material, finish, inspection, and RFQ details.

Choose stainless steel set screws by point style, shaft contact, material, galling risk, socket integrity, installation control, and inspection needs.

Learn how to select thread-forming screws for plastic by matching thread geometry, pilot-hole and boss design, installation torque, material behavior, and validation needs.

A practical RFQ checklist for custom screw buyers: drawing formats, sample photos, M0.6-M15 size range, MOQ 500 pieces, material, finish, tolerance and inspection details.