Bolts and set screws
Head form, shank length, thread condition and centre of gravity determine the stable presentation.
Bolts, screws, pins and fixings
Fastener feeding systems built around the required presentation.
Bolts, screws, nuts, pins, bushes, studs and shafts can look simple but behave differently in bulk. Length-to-diameter ratio, head geometry, threads, oil and burrs influence whether parts bridge, overlap, nest or arrive in the wrong orientation.
Representative production equipment; final feed path and guarding are application-specific.
Fastener applications
Which fasteners can be step fed?
Step feeders can be evaluated for many metallic fixings and turned parts, particularly where controlled elevation, low-level loading or quieter bulk handling is valuable. Feasibility depends on the complete range, not a nominal catalogue size.
Feed-path design
Separate, orient, buffer and release.
The lifting section meters fasteners from the bulk bed. A tooled rail then establishes the datum, rejects incorrect presentations and accumulates accepted parts before an escapement or blow-feed interface.
Pins and dowels
Diameter tolerance, chamfers, length and end-to-end symmetry affect singulation and orientation.
Nuts and bushes
Internal bores can cause nesting or interlocking; flange and face orientation may need mechanical or sensor checks.
Studs and shafts
Long slender parts may cross, raft or tangle, so hopper loading and rail geometry need production samples.
Surface-finished parts
Plating, oil and cosmetic faces influence friction, marking risk and the need for controlled drop heights.
Mixed variants
A defined family may use change parts, recipes or adjustable guides, with positive verification after changeover.
Useful enquiry data
Give the engineering team evidence that changes the answer.
Supply representative production samples, drawings, normal finish and contamination, required orientation, accepted rate, storage autonomy and receiving-machine interface. Include every variant expected on the system.
Part definitionDrawing, material, finish, mass, centre of gravity and every dimensional variant.
Bulk conditionHow parts arrive: dry, oily, tangled, warm, dusty, bagged or returned from another process.
PresentationExact axis, head direction, pitch, datum, discharge height and permitted positional tolerance.
Production demandSustained accepted rate, peak demand, buffer time, refill interval and downstream stop logic.
Straight answers
Fastener feeding systems questions
Potentially. Long screws may overlap or tangle, so the length-to-diameter ratio and bulk condition must be tested with representative samples.
Yes where the geometry supports reliable detection and rejection. The accepted head direction and final datum should be defined before tooling is designed.
Often, but oil changes friction and contamination behaviour. Samples should be tested in the normal production condition and cleanability must be included in the design.
Sensors can count accepted parts or confirm each release. Counting accuracy depends on the defined sensing point, overlap prevention and reject strategy.
Application review
Turn the search into a tested production answer.
Send representative components, drawings, required orientation, sustained output and receiving-machine details. Sortation Solutions will review the feed path and recommend the next engineering step.