Qinbrolly

Umbrella metal part

Straight Stick Shaft

Overview

Made by
Supply chain / partners
Materials
Carbon steel tube, Aluminium tube, Solid wood (design option)
Finish options
Chrome / nickel plating, Black electrophoresis, Powder coating, Painted finish (wood)

Manufacturing process & quality control points

Qinxi in-houseSupply chain / partnersIn-house or supply chain
  1. 1

    Tube cutting

    Supply chain / partners

    One-piece tube is cut to finished length, typically 80-90 cm for a stick umbrella. Square cut ends are required for handle and ferrule seating.

    Quality control points

    • Length · Steel rule / caliper, per drawing · First article + 1 pc per 2 h
  2. 2

    Hole punching & end forming

    Supply chain / partners

    Spring seat hole, latch window and the anti-rotation slot are punched; the handle end is formed or crimped for a positive handle fit.

    Quality control points

    • Hole position · Go / no-go gauge · First article + hourly
    • Burr on inner wall · Visual + probe · 100%
  3. 3

    Deburring & pre-treatment

    Supply chain / partners

    Deburring and degreasing before finishing; the inner wall must be clean because the opening spring runs inside the tube.

    Quality control points

    • Cleanliness · Water-break test / visual · Per load
  4. 4

    Surface finishing

    Supply chain / partners

    Chrome or nickel plating, black electrophoresis or powder coating. Stick umbrellas show more bare metal, so finish uniformity is visible to the buyer.

    Quality control points

    • Coating thickness · Thickness gauge per drawing · 5 pcs per batch
    • Corrosion resistance · Neutral salt spray: shaft 4 h, no red rust (GB/T 23147-2018 reference) · Per order
    • Appearance · Visual under D65 light, no runs or bare spots · AQL 2.5 per lot
  5. 5

    Straightness & fit check

    Supply chain / partners

    Shaft is checked straight and dry-fitted with runner, spring and handle before release to assembly.

    Quality control points

    • Straightness · Roll on flat plate · First article + 1 pc per 2 h
    • Runner sliding fit · Manual slide over full travel, no binding · 100%

Used in

Relevant compliance

Get a quote for Straight Stick Shaft

Custom materials, finishes and logos available. Send your drawing or sample.

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