{"id":2280,"date":"2026-07-04T06:38:53","date_gmt":"2026-07-03T22:38:53","guid":{"rendered":"https:\/\/metalstampingparts.ltd\/?page_id=2280"},"modified":"2026-07-04T06:38:53","modified_gmt":"2026-07-03T22:38:53","slug":"riveted-staked-stamped-assemblies-rfq-guide","status":"publish","type":"page","link":"https:\/\/metalstampingparts.ltd\/riveted-staked-stamped-assemblies-rfq-guide\/","title":{"rendered":"Riveted and Staked Stamped Assemblies RFQ Guide"},"content":{"rendered":"

Short answer:<\/strong> Riveted and staked stamped assemblies should be quoted with joint function, not only loose-part drawings. The RFQ should define hole fit, stack height, rivet or stake type, material hardness, coating sequence, fixture datums, joint strength, cosmetic limits, sample quantity, destructive test plan, and whether the joint is permanent, serviceable, or only a locating feature.<\/p>\n

Riveting and staking can be practical when a stamped assembly needs a permanent mechanical joint without welding heat or threaded hardware. They can also create loose joints, cracked tabs, coating damage, distorted datums, or poor appearance if the joint function and inspection method are vague.<\/p>\n

Use this page with the stamped metal assemblies guide<\/a>, tab and slot self-fixturing guide<\/a>, clinching and insertion guide<\/a>, and inserted hardware torque-out and push-out guide<\/a>.<\/p>\n

Riveted and staked assembly decisions<\/h2>\n\n\n\n\n\n\n\n\n
Decision<\/th>\nWhy it matters<\/th>\nRFQ detail<\/th>\n<\/tr>\n<\/thead>\n
Joint function<\/td>\nA locator joint and a load-bearing joint need different evidence.<\/td>\nPermanent, serviceable, structural, cosmetic, or temporary locating function.<\/td>\n<\/tr>\n
Hole and stack<\/td>\nHole fit, stack height, and material hardness control joint quality.<\/td>\nHole size, burr side, layers, thickness stack, and rivet or stake geometry.<\/td>\n<\/tr>\n
Fixture datums<\/td>\nJoining can pull the assembly out of position.<\/td>\nDatums, clamp points, sequence, and final critical dimensions.<\/td>\n<\/tr>\n
Test evidence<\/td>\nVisual seating does not prove joint strength.<\/td>\nPull, shear, torque, peel, rattle, or destructive sample plan.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Define the joint before choosing the process<\/h2>\n

A rivet, stake, lance tab, or formed post can hold parts together, locate layers before another operation, carry load, or provide an anti-rattle feature. The best joint depends on service load, appearance, access, material thickness, hardness, and whether the assembly must be taken apart later.<\/p>\n

If the feature is only for location before welding, it should be reviewed differently from a final structural joint. If the joint replaces a screw or clinch nut, compare strength and serviceability with the spot welded assembly guide<\/a> and the welding and assembly guide<\/a>.<\/p>\n

For production quotes, include the expected joining cycle and handling method. A joint that works slowly in a prototype press may need a different fixture, feed method, or poka-yoke check when operators must load multiple layers quickly without reversing parts or trapping burrs between layers.<\/p>\n

Control distortion and coating sequence<\/h2>\n

Mechanical joining pushes material. It can dish a panel, move holes, mark a cosmetic surface, crack a tab, or damage plating and paint. The RFQ should say whether joining happens before or after finishing, whether touch-up is allowed, and which surfaces are cosmetic or functional.<\/p>\n

Fixtures matter because the assembly may pass loose-part inspection and fail after joining. Define whether final dimensions are checked after all rivets or stakes are installed. For parts that must seat in another product, connect the plan to the coplanarity guide<\/a> and the functional gage guide<\/a>.<\/p>\n

RFQ details to include<\/h2>\n