Fuel Injector Outer Sleeve – 304 Stainless Steel
What is this part? Fuel Injector Outer Sleeve is a Sleeve manufactured from 304 stainless steel by Balford. Production process: Deep Drawing → Heat Treatment. Finish: Brightened, applied after Annealing. Key dimensions: OD 7 mm / ID 6.35 mm / height 63.5 mm. Key requirements: Thin-wall consistency over 63.5 mm depth; concentricity. Inspection: FAI + dimensional inspection.
Deep Draw Metal Stamping
| Product Name | Fuel Injector Outer Sleeve |
|---|---|
| Category | Sleeve |
| Process Flow | Deep Drawing→Heat Treatment |
| Material | 304 stainless steel |
| Surface Treatment | Brightened |
| Heat Treatment | Annealing |
| Key dimensions | OD 7 mm / ID 6.35 mm / height 63.5 mm |
| Key requirements | Thin-wall consistency over 63.5 mm depth; concentricity |
| Inspection | FAI + dimensional inspection |
Case Review
This fuel injector outer sleeve is ultra-deep drawn from 304 stainless coil — draw, deep draw, redraw — then the mouth is turned with a chamfer. The 63.5 mm depth with 6.35 mm inner diameter makes wall-thickness and concentricity control the key challenge. Part &
