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Black Oxide Steel Pan Head SEMS Screws Screw with Flat Washer and Split Lock Washer

Categories SEMS Machine Screw
Brand Name: Runtai
Model Number: SEMS Screws
Certification: ISO9001/TS16949
Place of Origin: Jiangsu, China (Mainland)
MOQ: 50000
Price: Negotiable
Payment Terms: L/C, T/T, Western Union, MoneyGram
Supply Ability: 5 Tons/ days
Delivery Time: 7-10 days
Packaging Details: PP bag+Carton box+ Wooden Pallet
Size: M1-M30
Material: Steel Stainless Steel Brass Aluminum
Grade: 4.8, 8, 10.9,12.9...
Surface treatment: ZP,Dacromet,HDG, heat treating,etc
Finish: Black,Zinc plated,Copper plating,Phosphating,Mechanical galvanized...
Products Name: Class 8.8 Black Oxide Steel Pan Head SEMS Screws
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    Black Oxide Steel Pan Head SEMS Screws Screw with Flat Washer and Split Lock Washer

    Class 8.8 Black Oxide Steel Pan Head SEMS Screws Screw with Flat Washer and Split Lock Washer


    Products Descriptions


    The flat washer distributes holding pressure and protects delicate surfaces from damage while the split lock washer adds tension to prevent loosening from small amounts of vibration. Also known as Sems screws, the washers rotate freely but are permanently attached. They're made from 18-8 stainless steel and have good corrsion resistance in dry enviorments. Length is measured from under the head.


    Products Specification

    Thread SizeM4
    Thread Pitch0.7 mm
    Length10 mm
    ThreadingFully Threaded
    Head Diameter8.00 mm
    Head Height3.10 mm
    Washer
    OD8.58 mm.
    Thickness0.51 mm
    Drive StylePhillips
    Drive SizeNo. 2
    FinishPlain
    HardnessRockwell B73
    Tensile Strength60,000 psi
    Thread TypeMetric
    Thread SpacingCoarse
    Thread FitClass 6g
    Thread DirectionRight Hand
    Head TypeRounded
    Rounded Head StylePan
    Rounded Head ProfileStandard
    Screw FeaturesWith Washer
    Locking TypeSplit Lock Washer Flat Washer
    Washer Type
    Washer MaterialAlloy Steel
    System of MeasurementMetric
    Specifications MetASME B18.13
    RoHSCompliant

    Below details apply for all screws and fasteners.

    Available Material1.Stainless Steel: SS201, SS302,SS303, SS304, SS316, SS410, SS420
    2,Steel:C45(K1045), C46(K1046),C20,etc.
    3.Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58),
    4.Bronze: C51000, C52100, C54400, etc.
    5.Iron: 1213, 12L14,1215,etc.
    6.Aluminum: Al6061, Al6063, etc.
    7.Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045,12L14,etc.
    8. Alloy steel: SCM435,10B21, C10B33,etc.
    9.Tatinium: TA1,TA2,TC4
    SpecificationThread:M0.6-M69
    Length:1.5-300MM
    Surface FinishingZn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and Anodize,

    Chromate, Polish,Electro Painting,Black Anodize,zinc,Chrome ,Dacromet,

    Black Oxide,Bronze

    Silver plated,Gold plated.Hot Deep Galvanize(H. D. G. ) etc.
    Special Treatment1.NYLOK 2.Painting 3.Thread cutting
    Heat TreatmentTempering,Hardening,Spheroidizing,Stress Relieving.
    StandardISO,GB,DIN,JIS,ANSI,BSW AND NON-STANDARD PARTS.
    Sample Availablitywe can make sample within 3-5 days free of charge ,
    if there is available tool for us.
    Lead Time7-10 working days as usual,It will based on the detailed order quantity.
    PackingPoly bag+Carton with pallet or customer's request
    Carton Size29*20*13 CM or customize
    Pallet Size110*100*90 CM or customer's request
    WarrantyWe promise 100% QC for all products and have 18 month warranty.
    After Sales Service1.All customer's negative feedback will be replied within 3 hours.
    2.All your cost will be returned to you if you aren't satified our quality
    3.Any of your request will be replied within 5 hours.
    4.24 Hours and seven days working time for after sales service

    Company Certifications

    More Products Pictures

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