Countersunk Bump Washer
DRAWING:
PRODUCT DESCRIPTION:
| OVERVIEW | DETAILS | OTHER OPTIONS | ||||
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| Standard | Standard | ISO,GB,DIN,JIS,ANSI,BSW, or base on the Drawings or Samples | ||||
| Processing | Stamping process | Punching process; Bending process; Turning process; Milling process; Drilling process; Grinding process; Tapping process; Laser process, etc. |
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| Size | #8, 5x13.5x2.75 | Specification Range: Material thickness:0.2-12mm Thread OD:M2~M12.#2-56~1/2-12 UNC(UNF) |
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| Stamping parts type | Washers | Washers,Retainer rings,Hinges,hasp locks,Brackets,Clamp,Battery shrapnel,Clips,Other hardware accessories,etc. | ||||
| Material | Steel | Spcc,Stainless steel,brass,Phosphor bronze,Beryllium copper,Aluminum,non-metallic materail,etc. |
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| Hardness | HRC 40~50 | After hardening, HRC 42~50 for Carbon spring steel; HRC 50~55 for 65Mn; etc. |
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| Finish | Harden Black oxidation | White zinc,Blue zinc,Color zinc,Black zinc,Black oxidation,Black electrophoresis,chromium,Zinc-nickel alloy plated,Powder coating various colors,Spray painting,Red copper,Anode various colors,Polished,Dacromet,Silver, Tin,Red antique bronze,Antique bronze,Phosphate,Nickel, Black nickel,Pearl nickel，Light gold,Gold, PVD,Harden,Passivation,Natural,etc. | ||||
| Range of application | Washers are mainly used in petrochemical, machinery, electric power, metallurgy, shipbuilding and other fields. Such as copper flat washer, copper gasket for internal combustion engine and all kinds of power mechanical equipment, cars, railway locomotives, ships, steel mills, mining plants, power plants, instrumentation, construction machinery, etc.; Red steel pad is suitable for all kinds of transformers, electrical appliances, electronic industries, instruments, etc. | |||||
| Conventional packing | 1)Pack 5000 pcs in small bag.Within 15kgs/ carton ,then with the wood pallet if by sea. 2)Carton size:28cm*18cm*13cm, 3)Wood pallet size：118cm*113cm，Weight：700~800Kg Bulk：0.8 cubic 4)The weight of 20 FT Container：20~25 Tons According to customer requirements. |
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| Production time | Usually the lead time is about 10 working days for sample production, 10-15 working days for mass production. | |||||
PRODUCTION PROCESS:
| Stamping process | Drilling process | Grinding-process | Wire-EDM | Milling-process |
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| Laser-process | Etching-process | |||
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MATERIAL:
| Steel | Stainless steel | Brass | Copper | Aluminum | Titanium | Other material |
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SURFACE TREATMENT:
| WT | BL | CZ | BZ | BO | EBB | EMB | CR | ZNA | LQ |
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| PVD | AO | PO | BDC | MDC | DB | SI | TIN | RB | AB |
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| GP | BP | NI | BKNI | PN | PB | GO | RC | NL | BK |
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NEUTRAL PACKAGING
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| Some goods in a small PE bag,in carton.If delivered by sea,then with wood pallet. | ||||||
STORE: Room temperature, sealed in plastic bag,in Carton.
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DELIVERY: Delivery on the ground, by ocean and by air. international express company (DHL,Fedex,TNT,UPS etc.）
