Active Member
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[China]
Address: No.276 Zhongan Road, Puzhuang, Linhu Town, Wuzhong District, Suzhou City, China
Contact name:Henry Zhang
Suzhou Runtai Precision Hardware Co,.Ltd. |
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Zinc Plated Steel Pan Head SEMS Screws Pan Head Screws with Flat Washer and Spring 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 Size | M4 |
| Thread Pitch | 0.7 mm |
| Length | 10 mm |
| Threading | Fully Threaded |
| Head Diameter | 8.00 mm |
| Head Height | 3.10 mm |
| Washer | |
| OD | 8.58 mm. |
| Thickness | 0.51 mm |
| Drive Style | Phillips |
| Drive Size | No. 2 |
| Finish | Plain |
| Hardness | Rockwell B73 |
| Tensile Strength | 60,000 psi |
| Thread Type | Metric |
| Thread Spacing | Coarse |
| Thread Fit | Class 6g |
| Thread Direction | Right Hand |
| Head Type | Rounded |
| Rounded Head Style | Pan |
| Rounded Head Profile | Standard |
| Screw Features | With Washer |
| Locking Type | Split Lock Washer Flat Washer |
| Washer Type | |
| Washer Material | Alloy Steel |
| System of Measurement | Metric |
| Specifications Met | ASME B18.13 |
| RoHS | Compliant |
Below details apply for all screws and fasteners.
| Available Material | 1.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 | |
| Specification | Thread:M0.6-M69 |
| Length:1.5-300MM | |
| Surface Finishing | Zn- 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 Treatment | 1.NYLOK 2.Painting 3.Thread cutting |
| Heat Treatment | Tempering,Hardening,Spheroidizing,Stress Relieving. |
| Standard | ISO,GB,DIN,JIS,ANSI,BSW AND NON-STANDARD PARTS. |
| Sample Availablity | we can make sample within 3-5 days free of charge , |
| if there is available tool for us. | |
| Lead Time | 7-10 working days as usual,It will based on the detailed order quantity. |
| Packing | Poly bag+Carton with pallet or customer's request |
| Carton Size | 29*20*13 CM or customize |
| Pallet Size | 110*100*90 CM or customer's request |
| Warranty | We promise 100% QC for all products and have 18 month warranty. |
| After Sales Service | 1.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 |
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