Key Mechanism

Assembly

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Around 23 keys on long rod axles between soldered posts translate finger movement into pad openings, with needle springs returning each key.

Direct parts	8
Total parts	138
Used in	1 assembly
Class	Assembly

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Around 23 keys on long rod axles between soldered posts translate finger movement into pad openings, with needle springs returning each key. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Key Mechanism parts and their functions

8 top-level parts · 138 parts in total · full bill of materials below

Key Mechanism parts diagram: 1 key cup, 2 key arm, 3 hinge rod, 4 post, 5 needle spring, 6 pivot screw, 7 key cork set, 8 adjustment screw. 138 parts in 8 top-level items. — Key Mechanism parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Key Cup	23×	Pad-carrying cups
2	Key Arm	23×	Touchpiece levers
3	Hinge Rod	12×	Steel pivot rods
4	Post	30×	Soldered pillars
5	Needle Spring	23×	Blued-steel springs
6	Pivot Screw	18×	Point screws
7	Key Cork Set	1×	Felt and cork silencer set
8	Adjustment Screw	8×	Regulation screws

3D model

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Build & assembly graph

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Bill of materials for Key Mechanism

8 top-level lines · 8 rows shown · 138 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Key Cup	saxophone-key-cup	23×	23	·	part
2	Key Arm	saxophone-key-arm	23×	23	·	part
3	Hinge Rod	saxophone-hinge-rod	12×	12	·	part
4	Post	saxophone-post	30×	30	·	part
5	Needle Spring	saxophone-needle-spring	23×	23	·	part
6	Pivot Screw	saxophone-pivot-screw	18×	18	·	part
7	Key Cork Set	saxophone-key-cork	1×	1	·	part
8	Adjustment Screw	saxophone-adjustment-screw	8×	8	·	part

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Where the key mechanism is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Musical Instruments 1 Alto Saxophone

Used in 1 assembly

Alto Saxophone

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics bydelectronic.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks