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

Brand Name:Runtai
Certification:ISO9001/TS16949
Model Number:SEMS Screws
Minimum Order Quantity:50000
Delivery Time:7-10 days
Payment Terms:L/C, T/T, Western Union, MoneyGram
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Location: Suzhou Jiangsu China
Address: No.276 Zhongan Road, Puzhuang, Linhu Town, Wuzhong District, Suzhou City, China
Supplier`s last login times: within 27 hours
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Product Details

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

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

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

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