Payment & Shipping Terms:
|Material:||Carbon Steel/Stainless Steel||Head Style:||Pan Head|
|Drive Type:||Phillips/Torx||Thread Type:||Machine Thread|
Steel Zinc Plated Phillips Pan Head Sems Screw with Spring Washer and Flat Washer
|Head Style||Pan Head|
|Thread Type||Machine thread|
|Point Type||Flat Point|
|Certification||ISO9001:2015, SGS, RoHS, Bureau Veritas|
|After-sale service||If there are any quality problems, please contact with us at once|
The Double Washer SEMS screws is a fastener with two free-spinning washers. At SEMS and SPECIALS, we offer them in standard and metric sizes. We also manufacture other double washer combination SEMS for your specific application needs.
SEMS screws provide design and manufacturing efficiencies by combining multiple parts, captive washerand screw, into one versatile fastener. The style of lockwasher or combination of assembled parts canprovide bottom line savings for production.
A SEMS Screw is a generic term used to describe a screw pre-assembled with a free-spinning lockwasher. It is a permanent assembly with the washer held in place by the major diameter of the screwthread being larger than the hole of the washer.
Advantages of the SEMS Screw:
Key Considerations When Choosing SEMS Screws:
Q: How do you control your quality?
A: We have our in-house QC daily and hire third party for randomly inspection.
Q: Could you provide free samples?
A: For our regular products, we offer free samples. For customized bolts, tooling and moulding charges need. All free samples not including its courier charge.
Q: Do you accept small order?
A: Sure, we can accept any orders, we keep lots of stock for ALL STAINLESS STEEL FASTENER, CARBON STEEL NUT AND PART BOLT,Like hex weld nut, cage nut, wing nut, square weld nut,cap nut, hex nut,flange nut.Metric 8.8Grade,10.9Grade 12.9Grade Hex bolt and Hex Socket cap screw,Part ASME Hex cap screw.
Q: How about your delivery time?
A: General speaking, if the goods is in stock, we can delivery them with 2-5days, If the quantity is 1-2container, we can give you with 18-25days,if the quantity is more than 2 container and you are very urgent, we can let factory priority produce your goods.
Q: What is your terms of payment ?
A: We can accept T/T,L/C for general order ,Paypal and Western union for small order or samples order.
Q: What is your packing?
A: Our packing is 20-25kg for one carton,36 or 48pcs cartons for one pallet. One pallets is about 900-960kg, We also can make customer’s logo on the cartons. Or we customized cartons according to customers’ requests.
If you are interested in Double Washer SEMS screws, Please do not hesitate to email us or call us. Our professional team will assit you to purchased the quality products.